{"title":"ZWO Holiday Sale","description":"\u003cp\u003eSave up to 10% on ZWO astronomy cameras, EAF focusers, filter wheels and FF APO refractors, plus new lower prices on the AM5N and AM7 harmonic mounts and our ZWO bundles and imaging kits, November 10, 2026 to January 3, 2027. In-stock items are listed first and ship from our Lakewood, Colorado store.\u003c\/p\u003e","products":[{"product_id":"zwo-am5-counterweight-bar","title":"ZWO AM5N Counterweight Bar","description":"\u003cp\u003eFor payloads heavier than 28 lbs. (13 kg), the ZWO AM5 Equatorial Mount requires a counterweight shaft like this 230 mm long ZWO Bar, as well as a separately available counterweight in order to achieve proper balance.\u003c\/p\u003e\n\u003cp\u003eMade of solid metal resistant to oxidation, this counterweight bar contains M12x1.75 screw threads and will work with any mount that has these threads.\u003c\/p\u003e\n\u003cp\u003eCompatible and Tested with:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eZWO AM3 and AM3N\u003c\/li\u003e\n\u003cli\u003eZWO AM5 and AM5N\u003c\/li\u003e\n\u003cli\u003eSkywatcher Star Adventurer GTI (NOT the original Star Adventurer)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45328529424643,"sku":"ZWO-BC230","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/d8637f75c2f1da6d9a77c605d3ecd37e.jpg?v=1715004190"},{"product_id":"zwo-200mm-pier-extension-for-am3-am5","title":"ZWO PE200 200mm Pier Extension for AM3\/AM5 Mounts","description":"\u003ch2\u003eRaise your AM3 or AM5 by 200mm so long scopes clear the tripod legs\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the PE200:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolves the leg-strike problem:\u003c\/strong\u003e with no counterweight shaft to swing around, the AM3 and AM5 sit low on the tripod, and a long refractor or a camera with a filter wheel can hit the legs near the zenith. The PE200 lifts the mount 200mm to clear them.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-knob setup:\u003c\/strong\u003e it drops onto the tripod, the mount drops onto it, and you tighten the locking knobs. Nothing else to adjust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid, not flimsy:\u003c\/strong\u003e a CNC-machined aircraft-grade aluminum tube rated for 50kg (110lb), far more than an AM5 carries, at just 1.6kg (3.5lb).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e it raises the eyepiece and center of gravity too, so on a windy site keep the tripod legs spread wide and the legs short.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO PE200 Pier Extension\u003c\/strong\u003e is a 200mm-tall aluminum riser that goes between a ZWO harmonic mount and its tripod. It's made for the AM3, AM3N, AM5 and AM5N on the \u003ca href=\"\/products\/zwo-tc40-carbon-fiber-tripod-for-am3-am5\"\u003eZWO TC40 carbon fiber tripod\u003c\/a\u003e, and it also fits 1.75\" steel tripods from iOptron and Sky-Watcher and the 2\" Celestron Advanced VX tripod. It's one of the accessories we add most often with a ZWO mount, especially for refractors over 80mm and SCTs with a camera on the back.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 200mm tall × 124mm diameter · CNC-machined aircraft-grade aluminum · 50kg (110lb) load rating · 1.6kg (3.5lb) · fits AM3, AM3N, AM5 and AM5N · Sky-Watcher adapter plate included\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/d18ad2cd01c85ef7dcb710c03fdc1076.png?v=1773958969\" alt=\"ZWO AM5 mount on the PE200 pier extension and TC40 carbon tripod\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhen you need a pier extension\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong refractors and SCTs:\u003c\/strong\u003e an 80–130mm refractor or an 8-inch SCT on an AM5 can swing into the tripod legs when pointed high. The extra 200mm gives it room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging trains:\u003c\/strong\u003e a cooled camera, filter wheel and off-axis guider add length behind the scope, which is where leg strikes usually happen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeridian flips and unattended imaging:\u003c\/strong\u003e more clearance means fewer pointing limits to set in the ASIAIR or N.I.N.A. and less risk overnight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual comfort:\u003c\/strong\u003e on refractors, it lifts the eyepiece to a more comfortable standing height.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it installs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eOn the ZWO TC40 tripod:\u003c\/strong\u003e set the PE200 on the tripod head and tighten it, then set the AM3 or AM5 on top and tighten the locking knobs. That's it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOn an iOptron 1.75\" tripod:\u003c\/strong\u003e remove the silver head plate from the extension and fasten it to the tripod with the two included M6 × 25 screws.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOn a Sky-Watcher 1.75\" tripod:\u003c\/strong\u003e remove the silver head plate, fit the included Sky-Watcher adapter plate with three screws, and lock it down with the tripod's M10 center knob and spreader.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/a2ca828e53bf367e253252293ed88580.png?v=1773958969\" alt=\"Step-by-step install: attach the pier extension to the tripod, then the AM5 mount, then tighten the locking knob\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-tc40-carbon-fiber-tripod-for-am3-am5\"\u003e\u003cstrong\u003eZWO TC40 carbon fiber tripod\u003c\/strong\u003e\u003c\/a\u003e: the matching tripod, light enough to carry with the extension attached.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-am5-counterweight-bar\"\u003e\u003cstrong\u003eZWO AM5N counterweight bar\u003c\/strong\u003e\u003c\/a\u003e: for payloads near the AM5N's no-counterweight limit, a counterweight keeps the taller setup balanced.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N with TC40 tripod\u003c\/a\u003e or the \u003ca href=\"\/products\/zwo-am3n-harmonic-drive-equatorial-mount-with-tc40-tripod-17-28-lbs-capacity\"\u003eZWO AM3N with TC40 tripod\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePE200 vs. PE160 vs. Pier Mount 90\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eZWO PE200\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-160mm-pier-extension-for-am3-am5\"\u003eZWO PE160\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/pier-mount-90-with-3-8-thread\"\u003eWilliam Optics Pier Mount 90\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eRiser for a tripod\u003c\/td\u003e\n\u003ctd\u003eRiser for a tripod\u003c\/td\u003e\n\u003ctd\u003eFull pier (replaces the tripod)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdded height\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003ctd\u003e160mm\u003c\/td\u003e\n\u003ctd\u003eNot applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eSolid aluminum tube\u003c\/td\u003e\n\u003ctd\u003eThree thin pillars, lighter to carry\u003c\/td\u003e\n\u003ctd\u003eFreestanding pier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounts\u003c\/td\u003e\n\u003ctd\u003eAM3, AM3N, AM5, AM5N\u003c\/td\u003e\n\u003ctd\u003eAM3, AM3N, AM5, AM5N\u003c\/td\u003e\n\u003ctd\u003eAM5N, AM7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eThe most clearance and stiffness\u003c\/td\u003e\n\u003ctd\u003eTravel and lighter setups\u003c\/td\u003e\n\u003ctd\u003eA freestanding pier for an AM5N or AM7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/mount-accessories\"\u003emount accessories\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO PE200 pier extension\u003c\/li\u003e\n\u003cli\u003eSky-Watcher adapter plate\u003c\/li\u003e\n\u003cli\u003eTwo M6 × 25 screws (for iOptron tripods)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe mount and tripod are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO PE200 Pier Extension FAQ\u003c\/h2\u003e\n\u003ch3\u003eDo I need a pier extension for my AM5?\u003c\/h3\u003e\n\u003cp\u003eIf you use a short refractor (under about 80mm) with a compact camera, usually not. If your scope is longer, or you have a filter wheel and off-axis guider behind it, the PE200 prevents the scope or camera from hitting the tripod legs when pointed high.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the AM5N and AM3N?\u003c\/h3\u003e\n\u003cp\u003eYes. It fits the AM3, AM3N, AM5 and AM5N, which share the same base.\u003c\/p\u003e\n\u003ch3\u003eWill it fit my iOptron or Sky-Watcher tripod?\u003c\/h3\u003e\n\u003cp\u003eIt fits 1.75\" steel tripods from iOptron (such as the CEM40\/GEM45 tripod) and Sky-Watcher, using the included screws or adapter plate, and the 2\" Celestron Advanced VX tripod.\u003c\/p\u003e\n\u003ch3\u003ePE200 or PE160?\u003c\/h3\u003e\n\u003cp\u003eThe PE200 is taller and a solid tube, so it's stiffer and gives the most clearance. The \u003ca href=\"\/products\/zwo-160mm-pier-extension-for-am3-am5\"\u003ePE160\u003c\/a\u003e uses three thin pillars, which is lighter for travel.\u003c\/p\u003e\n\u003ch3\u003eDoes it make the setup less stable?\u003c\/h3\u003e\n\u003cp\u003eThe extension itself is very rigid, but any added height makes a tripod a little more sensitive to wind. Spread the legs fully and keep them short for the best results.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e200mm (7.9 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e124mm (4.9 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.6kg (3.5lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad rating\u003c\/td\u003e\n\u003ctd\u003e50kg (110lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCNC-machined aircraft-grade aluminum, matte black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCompatibility\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounts\u003c\/td\u003e\n\u003ctd\u003eZWO AM3, AM3N, AM5, AM5N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripods\u003c\/td\u003e\n\u003ctd\u003eZWO TC40; iOptron 1.75\" steel; Sky-Watcher 1.75\" steel (adapter plate included); Celestron Advanced VX 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePackage\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage size\u003c\/td\u003e\n\u003ctd\u003e185 × 185 × 260mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-PE200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45328568385795,"sku":"ZWO-PE200","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/bedd7ce6a085993550bb36a91676a63f-scaled.jpg?v=1773958969"},{"product_id":"zwo-160mm-pier-extension-for-am3-am5","title":"ZWO PE160 160mm Pier Extension for AM3\/AM5 Mounts","description":"\u003ch2\u003eA 1kg pier extension that lifts a travel-size ZWO mount 160mm\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the PE160:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClears the legs on a light rig:\u003c\/strong\u003e ZWO's harmonic mounts sit low on the TC40, so a refractor with a camera and filter wheel behind it can bump a tripod leg near the zenith. The PE160 raises the mount 160mm to give it room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for carrying:\u003c\/strong\u003e three aluminum pillars instead of a solid tube keep it to 1.0kg (2.2lb), about 600g lighter than the PE200.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick on and off:\u003c\/strong\u003e it locks to the tripod head with the tripod's center knob, and the mount locks on top with three knobs. No screws to fiddle with in the dark.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e ZWO rates it for 13kg (28.7lb) with 10kg (22lb) recommended. That's right for an AM3 or AM3N or an AM5 with a small refractor. For a fully loaded AM5, the \u003ca href=\"\/products\/zwo-200mm-pier-extension-for-am3-am5\"\u003ePE200\u003c\/a\u003e (rated 50kg) is the better choice.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO PE160 Pier Extension\u003c\/strong\u003e is a 160mm-tall riser that goes between a ZWO harmonic mount and its tripod. It fits the AM3, AM3N, AM5 and AM5N on the \u003ca href=\"\/products\/zwo-tc40-carbon-fiber-tripod-for-am3-am5\"\u003eZWO TC40 carbon fiber tripod\u003c\/a\u003e, and it's the extension that comes in our \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eFF70 APO + AM3N bundle\u003c\/a\u003e. It's made from matte black aircraft-grade aluminum and weighs 1.0kg (2.2lb), so it's the one we suggest for travel kits and small refractors.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 160mm (6.3\") tall × 124mm diameter · three-pillar aircraft-grade aluminum · 1.0kg (2.2lb) · 13kg (28.7lb) max load, 10kg (22lb) recommended · fits AM3, AM3N, AM5 and AM5N · 3\/8\"-16 tripod thread\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/32b3368222dd1a0fdf70aedb7a636ed5.jpg?v=1715005172\" alt=\"ZWO PE160 160mm pier extension with three black aluminum pillars and locking knobs\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhen you need a pier extension\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImaging trains behind a small refractor:\u003c\/strong\u003e a cooled camera, filter wheel and off-axis guider add length behind the focuser, which is where leg strikes usually happen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnattended imaging and meridian flips:\u003c\/strong\u003e more clearance means fewer pointing limits to set in the ASIAIR or N.I.N.A., and less to worry about overnight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVisual comfort:\u003c\/strong\u003e on a refractor it lifts the eyepiece to a more comfortable height.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTravel setups:\u003c\/strong\u003e at 1.0kg it adds little to a kit you're carrying to a dark site or packing for a flight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it installs\u003c\/h2\u003e\n\u003cp\u003eThe PE160 ships as five parts (top plate, bottom plate and three pillars) that you assemble once with the six included M6 screws and hex wrench. Fix the three pillars to the bottom plate with three screws (the round end of each pillar goes to the bottom plate), then set the upper plate on the hex ends and fix it with the other three. After that it stays together.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOn the ZWO TC40 tripod:\u003c\/strong\u003e set the PE160 on the tripod head and tighten the tripod's center knob into the 3\/8\"-16 thread in the bottom plate. Then set the AM3 or AM5 on top and tighten the three locking knobs. That's it.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/c759c89b6a3665dacba7063e71404bf3.jpg?v=1715005172\" alt=\"Step-by-step: fit the PE160 to the TC40 tripod, tighten the center knob, then lock the AM5 on with three knobs\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cp\u003eWind picks up fast on the plains and at mountain dark sites. Any extension raises the center of gravity, so on a breezy night keep the TC40's legs short and fully spread, and hang a power tank in the weight bag.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-tc40-carbon-fiber-tripod-for-am3-am5\"\u003e\u003cstrong\u003eZWO TC40 carbon fiber tripod\u003c\/strong\u003e\u003c\/a\u003e: the matching tripod, if your mount came without one.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tripod-case-for-zwo-tc40-with-extension-pier\"\u003e\u003cstrong\u003eTC40 tripod case\u003c\/strong\u003e\u003c\/a\u003e: carries the TC40 with the PE160 or PE200 still attached.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003e\u003cstrong\u003eCelestron PowerTank Lithium Pro\u003c\/strong\u003e\u003c\/a\u003e: powers the mount and camera, and adds weight to the tripod's bag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am3n-harmonic-drive-equatorial-mount-with-tc40-tripod-17-28-lbs-capacity\"\u003eZWO AM3N with TC40 tripod\u003c\/a\u003e, or the \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eFF70 APO + AM3N bundle\u003c\/a\u003e, which already includes a PE160.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePE160 vs. PE200\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eZWO PE160\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-200mm-pier-extension-for-am3-am5\"\u003eZWO PE200\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdded height\u003c\/td\u003e\n\u003ctd\u003e160mm\u003c\/td\u003e\n\u003ctd\u003e200mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eThree aluminum pillars\u003c\/td\u003e\n\u003ctd\u003eSolid aluminum tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.0kg (2.2lb)\u003c\/td\u003e\n\u003ctd\u003e1.6kg (3.5lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad rating\u003c\/td\u003e\n\u003ctd\u003e13kg max, 10kg recommended\u003c\/td\u003e\n\u003ctd\u003e50kg (110lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounts\u003c\/td\u003e\n\u003ctd\u003eAM3, AM3N, AM5, AM5N\u003c\/td\u003e\n\u003ctd\u003eAM3, AM3N, AM5, AM5N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripods\u003c\/td\u003e\n\u003ctd\u003eZWO TC40\u003c\/td\u003e\n\u003ctd\u003eZWO TC40, plus iOptron and Sky-Watcher 1.75\" and Celestron AVX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eAM3\/AM3N and light AM5 travel rigs\u003c\/td\u003e\n\u003ctd\u003eHeavier AM5 setups and the most clearance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/mount-accessories\"\u003emount accessories\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUpper plate with three locking knobs\u003c\/li\u003e\n\u003cli\u003eBottom plate\u003c\/li\u003e\n\u003cli\u003eThree pillars\u003c\/li\u003e\n\u003cli\u003eSix M6 socket head cap screws\u003c\/li\u003e\n\u003cli\u003eHex wrench\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe mount and tripod are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO PE160 Pier Extension FAQ\u003c\/h2\u003e\n\u003ch3\u003eDo I need a pier extension for my AM3 or AM5?\u003c\/h3\u003e\n\u003cp\u003eWith a short refractor and a small camera, usually not. If you have a filter wheel, off-axis guider or a longer tube, an extension keeps the camera from hitting the tripod legs when the scope points high.\u003c\/p\u003e\n\u003ch3\u003ePE160 or PE200?\u003c\/h3\u003e\n\u003cp\u003eChoose the PE160 for an AM3 or AM3N, or an AM5 carrying a small refractor, when light weight matters. Choose the \u003ca href=\"\/products\/zwo-200mm-pier-extension-for-am3-am5\"\u003ePE200\u003c\/a\u003e for heavier AM5 payloads, a little more clearance, or a non-ZWO tripod.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the AM3N and AM5N?\u003c\/h3\u003e\n\u003cp\u003eYes. The AM3, AM3N, AM5 and AM5N share the same base, and the PE160 locks to all of them.\u003c\/p\u003e\n\u003ch3\u003eDoes it make the setup less stable?\u003c\/h3\u003e\n\u003cp\u003eAny added height makes a tripod a little more sensitive to wind and bumps. Stay within the recommended 10kg, spread the legs fully and keep them short.\u003c\/p\u003e\n\u003ch3\u003eIs a PE160 already in the FF70 + AM3N bundle?\u003c\/h3\u003e\n\u003cp\u003eYes. The \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eZWO FF70 APO + AM3N bundle\u003c\/a\u003e includes a TC40 tripod and a PE160, so you don't need to buy one separately.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e160mm (6.3 in), plus a 21.5mm locating collar on the bottom\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate diameter\u003c\/td\u003e\n\u003ctd\u003e124mm (4.9 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePillars\u003c\/td\u003e\n\u003ctd\u003e3, 16mm diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.0kg (2.2lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad rating\u003c\/td\u003e\n\u003ctd\u003e13kg (28.7lb) maximum; 10kg (22lb) recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eAircraft-grade aluminum, matte black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eConnections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003ctd\u003eThree locking knobs for the ZWO AM-series base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBottom\u003c\/td\u003e\n\u003ctd\u003e3\/8\"-16 thread for the tripod's center knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCompatibility\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounts\u003c\/td\u003e\n\u003ctd\u003eZWO AM3, AM3N, AM5, AM5N\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod\u003c\/td\u003e\n\u003ctd\u003eZWO TC40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-PE160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45328603349251,"sku":"ZWO-PE160","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/32b3368222dd1a0fdf70aedb7a636ed5.jpg?v=1715005172"},{"product_id":"zwo-tc40-carbon-fiber-tripod-for-am3-am5","title":"ZWO TC40 Carbon Fiber Tripod for AM3, AM5 \u0026 AM7 Mounts","description":"\u003ch2\u003eA 2.3kg carbon fiber tripod that holds 50kg of mount and telescope\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the TC40:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for ZWO's harmonic mounts:\u003c\/strong\u003e the head plate has three mounting points that match the AM3, AM5, AM3N and AM5N base, so the mount bolts down solidly with no adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight enough to fly with:\u003c\/strong\u003e it weighs 2.3kg (5.1lb) and folds to 500mm (19.7\"), so it fits in carry-on luggage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStiffer than it looks:\u003c\/strong\u003e thick 40mm and 36mm carbon legs, a spreader plate that locks the legs open, and a weight bag you can fill with rocks or a power tank keep the mount steady in a breeze.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e right now the AM3N, AM5N and AM7 bundles already include a TC40. Buy it separately if you have a head-only mount, want a second tripod for a dark-site kit, or want to put another brand's mount on carbon legs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO TC40 Carbon Fiber Tripod\u003c\/strong\u003e is the low, sturdy tripod ZWO designed for its strain wave (harmonic) GoTo mounts. Its two-section carbon fiber legs adjust from 470mm to 800mm (18.5\" to 31.5\"), and it's rated for 50kg (110lb). A center 3\/8\" locking knob fits ZWO mounts directly, and the head plate flips over so you can attach other mounts with a 3\/8\" threaded base.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e carbon fiber legs · 2.3kg (5.1lb) · 50kg (110lb) load capacity · height 470–800mm (18.5–31.5\") · folds to 500mm (19.7\") · 2 leg sections, 40mm and 36mm · reversible head plate with 3\/8\" lock knob · spreader and weight bag included\u003c\/p\u003e\n\u003cp\u003eThe TC40 is on display in our Denver store, so you can see it in person before you buy.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/bc246ab11a4e4015bff57217e51f832f-1.jpg?v=1715005538\" alt=\"ZWO TC40 carbon fiber tripod standing with legs spread\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat it carries\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO AM3 and AM3N:\u003c\/strong\u003e a light travel rig with a RedCat 51, FF65 or 70mm refractor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO AM5 and AM5N:\u003c\/strong\u003e 80–130mm refractors, small RASAs and SCTs, with a full imaging train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZWO AM7:\u003c\/strong\u003e ZWO pairs the AM7 with the TC40, though for the heaviest scopes a pier is steadier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOther mounts:\u003c\/strong\u003e flip the head plate to use the 3\/8\" threaded hole with mounts that have a 3\/8\" base.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it sets up\u003c\/h2\u003e\n\u003cp\u003eOpen the legs, extend the lower sections to the height you want and tighten the leg locks. Turn the knob under the head to push the spreader plate up against the legs, which spreads and locks them. Set your mount on the head plate, line up the three mounting points and tighten the center locking knob. Hang the weight bag from the spreader and fill it for extra stability.\u003c\/p\u003e\n\u003cp\u003eThe TC40 sits low by design. A short tripod is stiffer, and with a harmonic mount and a refractor the eyepiece or camera usually ends up at a comfortable height. If your telescope hits the tripod legs when it points high, add a pier extension (below).\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-200mm-pier-extension-for-am3-am5\"\u003e\u003cstrong\u003eZWO 200mm pier extension\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-160mm-pier-extension-for-am3-am5\"\u003e\u003cstrong\u003e160mm pier extension\u003c\/strong\u003e\u003c\/a\u003e: raises the mount so longer telescopes and cameras clear the legs near the zenith.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tripod-case-for-zwo-tc40-with-extension-pier\"\u003e\u003cstrong\u003eTC40 tripod case\u003c\/strong\u003e\u003c\/a\u003e: carries the tripod with a pier extension still attached.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003e\u003cstrong\u003eCelestron PowerTank Lithium Pro\u003c\/strong\u003e\u003c\/a\u003e: powers the mount and camera, and doubles as weight in the tripod's bag.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTC40 with ZWO mounts\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-am3n-harmonic-drive-equatorial-mount-with-tc40-tripod-17-28-lbs-capacity\"\u003eAM3N + TC40\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-am5n\"\u003eAM5N + TC40\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-am7-tc40\"\u003eAM7 + TC40\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload, no counterweight\u003c\/td\u003e\n\u003ctd\u003e8kg (17.6lb)\u003c\/td\u003e\n\u003ctd\u003e15kg (33lb)\u003c\/td\u003e\n\u003ctd\u003e20kg (44lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload, with counterweight\u003c\/td\u003e\n\u003ctd\u003e13kg (28.7lb)\u003c\/td\u003e\n\u003ctd\u003e20kg (44lb)\u003c\/td\u003e\n\u003ctd\u003e30kg (66lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount head weight\u003c\/td\u003e\n\u003ctd\u003e4.1kg (9lb)\u003c\/td\u003e\n\u003ctd\u003e5.5kg (12.1lb)\u003c\/td\u003e\n\u003ctd\u003e6.75kg (14.9lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead plus TC40\u003c\/td\u003e\n\u003ctd\u003e6.4kg (14.1lb)\u003c\/td\u003e\n\u003ctd\u003e7.8kg (17.2lb)\u003c\/td\u003e\n\u003ctd\u003e9.05kg (20lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eTravel rigs and refractors up to about 80mm\u003c\/td\u003e\n\u003ctd\u003eThe all-round imaging mount, up to about 130mm\u003c\/td\u003e\n\u003ctd\u003eHeavy refractors, 8–11\" SCTs and RASAs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-mounts\"\u003eZWO mounts and accessories\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTC40 carbon fiber tripod with spreader plate\u003c\/li\u003e\n\u003cli\u003eTripod head plate\u003c\/li\u003e\n\u003cli\u003eThree spiked feet\u003c\/li\u003e\n\u003cli\u003eWeight bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/43a419db28d4033873718e1d997de6d7.jpg?v=1715005540\" alt=\"TC40 box contents: carbon tripod, head plate, three spikes and weight bag\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe mount and pier extensions are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO TC40 FAQ\u003c\/h2\u003e\n\u003ch3\u003eWhich mounts does it fit?\u003c\/h3\u003e\n\u003cp\u003eIt bolts directly to the ZWO AM3, AM5, AM3N, AM5N and AM7. With the head plate turned over, its 3\/8\" threaded hole also fits mounts from Celestron, iOptron, Rainbow Astro and Sky-Watcher that have a 3\/8\" base. If you're not sure about your mount, ask us.\u003c\/p\u003e\n\u003ch3\u003eDo I need it if I'm buying an AM3N or AM5N?\u003c\/h3\u003e\n\u003cp\u003eNot right now. Our AM3N, AM5N and AM7 bundles already include a TC40. Buy this one if your mount came without a tripod or you want a second one.\u003c\/p\u003e\n\u003ch3\u003eIs a carbon tripod steady enough for imaging?\u003c\/h3\u003e\n\u003cp\u003eYes, at its intended loads. Keep the legs spread with the spreader locked, extend the legs only as far as you need, and fill the weight bag on windy nights.\u003c\/p\u003e\n\u003ch3\u003eWhy is it so short?\u003c\/h3\u003e\n\u003cp\u003eA low tripod is stiffer and steadier. Harmonic mounts don't need much height for the camera to clear the legs, and a pier extension adds height when you need it.\u003c\/p\u003e\n\u003ch3\u003eCan I take it on a plane?\u003c\/h3\u003e\n\u003cp\u003eYes. It folds to 500mm (19.7\") and weighs 2.3kg (5.1lb), so it fits in most carry-on bags.\u003c\/p\u003e\n\u003ch3\u003eCan I see one before I buy?\u003c\/h3\u003e\n\u003cp\u003eYes. The TC40 is on display in our Denver store.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eTripod\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCarbon fiber legs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeg sections\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeg diameter\u003c\/td\u003e\n\u003ctd\u003e40mm upper, 36mm lower\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad capacity\u003c\/td\u003e\n\u003ctd\u003e50kg (110lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable height\u003c\/td\u003e\n\u003ctd\u003e470–800mm (18.5–31.5\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFolded length\u003c\/td\u003e\n\u003ctd\u003e500mm (19.7\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eHead\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead plate\u003c\/td\u003e\n\u003ctd\u003eThree mounting points for ZWO AM-series mounts; reversible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCenter lock\u003c\/td\u003e\n\u003ctd\u003e3\/8\" locking knob; 3\/8\" threaded hole with the plate reversed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead diameter\u003c\/td\u003e\n\u003ctd\u003e124mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.3kg (5.1lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eSpreader plate, spiked feet, weight bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-TC40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45328631922947,"sku":"ZWO-TC40","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/bc246ab11a4e4015bff57217e51f832f-1.jpg?v=1715005538"},{"product_id":"zwo-eaf-electronic-auto-focuser-5v-usb","title":"ZWO EAFN Electronic Auto Focuser (USB-C)","description":"\u003ch2\u003eSharp focus all night without touching the telescope\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the EAFN:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus that keeps up with the temperature:\u003c\/strong\u003e as the night cools, your telescope's focus drifts. The EAFN lets the ASIAIR or N.I.N.A. refocus automatically every so often or after a filter change, so late-night frames stay as sharp as the first ones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo more bumping the scope:\u003c\/strong\u003e focusing by hand shakes the image and can shift your framing. The EAFN moves the focuser in tiny, repeatable steps while you watch the stars on your phone or laptop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimpler cabling:\u003c\/strong\u003e the new version uses USB-C for both power and data, so one cable from your camera's USB hub or the ASIAIR does it all.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat we tell customers:\u003c\/strong\u003e it's one of the first upgrades we suggest after a mount and camera, and it works on most refractors and SCTs with the included bracket or an inexpensive model-specific one.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO EAFN Electronic Auto Focuser\u003c\/strong\u003e is a small stepper motor that bolts onto your telescope's focuser and turns the focus knob for you. Paired with the ASIAIR or a computer, it runs autofocus routines that find best focus by measuring star sizes. It's the standard version of ZWO's new-generation EAF, with a metal housing, a 5kg (11lb) load rating and a USB-C port, and it weighs just 215g (7.6oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e stepper motor with 1:128 reduction · 5kg (11lb) focuser load · USB-C power and data (5V 500mA) · ASCOM and INDI · works with ASIAIR · hand controller and temperature sensor ports · 215g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/3_78b55c5a-4afa-4f01-9328-d6af6e7b71fa.jpg?v=1750261347\" alt=\"ZWO EAFN electronic auto focuser\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat it does for your images\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutofocus at the start of the night:\u003c\/strong\u003e the ASIAIR or N.I.N.A. steps through focus, measures star sizes and lands on best focus in a couple of minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefocus as it cools:\u003c\/strong\u003e set it to refocus after a temperature change, a set number of frames, or each filter change on a mono camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepeatable positions:\u003c\/strong\u003e save the focus position for each filter or camera and return to it in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemote focusing for planets:\u003c\/strong\u003e fine-tune focus on Jupiter or Saturn from your laptop without shaking the telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to install it\u003c\/h2\u003e\n\u003cp\u003eRemove one of your focuser's coarse knobs, slide the matching flexible coupling onto the focuser shaft, then attach the EAFN and its bracket to the focuser using the supplied screws. Four couplings in different sizes and five spacers are included, so the standard bracket fits most Crayford and rack-and-pinion focusers. Celestron SCTs and Takahashi refractors need a model-specific bracket (see below).\u003c\/p\u003e\n\u003cp\u003eSoftware support includes ZWO's ASIAIR app and ASIStudio, plus ASCOM and INDI programs such as N.I.N.A., SharpCap, FireCapture, Sequence Generator Pro, MaxIm DL and TheSkyX.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eASIAIR power tip:\u003c\/strong\u003e plug the EAFN into one of the ASIAIR's USB ports or your camera's USB hub. A USB-C to USB-C cable from the ASIAIR's USB-C port carries data only and won't power the focuser.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus 256GB\u003c\/strong\u003e\u003c\/a\u003e: the easiest way to run autofocus, with one tap in the app.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-hand-control\"\u003e\u003cstrong\u003eZWO EAF hand control\u003c\/strong\u003e\u003c\/a\u003e: in and out buttons for focusing visually or without a computer.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-temperature-sensor\"\u003e\u003cstrong\u003eZWO EAF temperature sensor\u003c\/strong\u003e\u003c\/a\u003e: lets your software refocus automatically when the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-bracket-for-c8-and-c9-25\"\u003e\u003cstrong\u003eEAF bracket for C8 and C9.25\u003c\/strong\u003e\u003c\/a\u003e, \u003ca href=\"\/products\/zwo-eaf-bracket-for-c11-and-c14\"\u003e\u003cstrong\u003eC11 and C14\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-eaf-bracket-for-takahashi-scopes\"\u003e\u003cstrong\u003eTakahashi\u003c\/strong\u003e\u003c\/a\u003e (required for those telescopes): each includes the 4mm coupler the new EAF needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eZWO EAFN vs. EAF Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eEAFN\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-eafn-pro-electronic-auto-focuser\"\u003eEAF Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003ctd\u003eUSB-C and Bluetooth 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eOver USB-C\u003c\/td\u003e\n\u003ctd\u003eUSB-C or built-in battery (about 7 nights)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual focus buttons\u003c\/td\u003e\n\u003ctd\u003eWith optional hand control\u003c\/td\u003e\n\u003ctd\u003eBuilt in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e215g\u003c\/td\u003e\n\u003ctd\u003e258g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad capacity\u003c\/td\u003e\n\u003ctd\u003e5kg (11lb)\u003c\/td\u003e\n\u003ctd\u003e5kg (11lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eImaging rigs with a USB hub or ASIAIR\u003c\/td\u003e\n\u003ctd\u003eWireless setups and visual observers who want buttons on the focuser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-eaf\"\u003eZWO EAF focusers and brackets\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO EAFN focuser body\u003c\/li\u003e\n\u003cli\u003eStandard mounting bracket\u003c\/li\u003e\n\u003cli\u003e2m USB-C cable\u003c\/li\u003e\n\u003cli\u003e3mm and 2mm hex wrenches\u003c\/li\u003e\n\u003cli\u003eFour flexible couplings in different sizes\u003c\/li\u003e\n\u003cli\u003eM5 and M4 screws and five spacers\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/02a6168749e0487652da99228f85ab62_jpg.webp?v=1750258694\" alt=\"ZWO EAFN box contents\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe hand control, temperature sensor and telescope-specific brackets are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO EAFN FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill the EAFN fit my telescope?\u003c\/h3\u003e\n\u003cp\u003eIt fits most refractors and Newtonians with a Crayford or rack-and-pinion focuser using the included bracket and couplings. Celestron SCTs and Takahashi refractors need the matching bracket. If you're not sure, send us your telescope model and we'll tell you what you need.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with the ASIAIR?\u003c\/h3\u003e\n\u003cp\u003eYes. Plug it into an ASIAIR USB port and it shows up in the app, where autofocus is one tap.\u003c\/p\u003e\n\u003ch3\u003eEAFN or EAF Pro?\u003c\/h3\u003e\n\u003cp\u003eChoose the EAFN if you image with an ASIAIR or laptop and a USB hub. The \u003ca href=\"\/products\/zwo-eafn-pro-electronic-auto-focuser\"\u003eEAF Pro\u003c\/a\u003e adds Bluetooth, a built-in battery and manual buttons, which help for wireless or visual use.\u003c\/p\u003e\n\u003ch3\u003eCan I reuse a bracket from an older EAF?\u003c\/h3\u003e\n\u003cp\u003eThe new EAF uses a 4mm shaft coupler instead of the older 5mm one, because ZWO changed the internal motor. The brackets we stock include the 4mm coupler. If you have an older bracket, ask us before reusing it.\u003c\/p\u003e\n\u003ch3\u003eCan I use it for visual observing?\u003c\/h3\u003e\n\u003cp\u003eYes. Add the \u003ca href=\"\/products\/zwo-eaf-hand-control\"\u003eEAF hand control\u003c\/a\u003e to focus with buttons, which avoids shaking the view at high power.\u003c\/p\u003e\n\u003ch3\u003eDoes it need its own power supply?\u003c\/h3\u003e\n\u003cp\u003eNo. It draws 5V at 500mA over USB-C from a computer, camera hub or ASIAIR USB port.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMotor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eStepper motor, 7.5° step angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction ratio\u003c\/td\u003e\n\u003ctd\u003e1:128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum focuser load\u003c\/td\u003e\n\u003ctd\u003e5kg (11.02lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eConnections and software\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB-C (power and data)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e5V, 500mA over USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory ports\u003c\/td\u003e\n\u003ctd\u003eHand controller (3.5mm jack); temperature sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eASIAIR, ASIStudio, ASCOM and INDI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e41 x 52 x 70.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e215g (7.6oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft coupler\u003c\/td\u003e\n\u003ctd\u003e4mm (new generation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-EAFN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45329078518019,"sku":"ZWO-EAFN","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/3_78b55c5a-4afa-4f01-9328-d6af6e7b71fa.jpg?v=1750261347"},{"product_id":"zwo-filter-drawer-for-2-mounted-filter-m42","title":"ZWO M42 2\" Filter Drawer (Gen 2)","description":"\u003ch2\u003eA slim 2\" filter drawer for swapping one filter without a wheel\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ZWO M42 filter drawer:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne filter, no wheel:\u003c\/strong\u003e if you shoot a one-shot-color camera and switch between a duo-band filter and a UV\/IR cut or nothing at all, a drawer does the job for a fraction of the cost and weight of a filter wheel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOnly 21mm of back focus:\u003c\/strong\u003e it fits easily into a 55mm imaging train. A ZWO cooled camera (17.5mm) plus the drawer is 38.5mm, leaving 16.5mm for spacers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSwaps fast in the dark:\u003c\/strong\u003e two magnets pull the holder into place, a side lock screw takes up any play, and the new Gen 2 body is designed to stop light leaking in around the holder on long exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e this is the Gen 2 drawer (FD-M42-II). Holders from the older Gen 1 drawer don't fit it. Extra Gen 2 holders are sold as the \u003ca href=\"\/products\/zwo-filter-holder-for-m42-m54-and-eos-nikon-filter-drawer\"\u003eZWO Filter Drawer 2\" Filter Holder\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO M42 2\" Filter Drawer (FD-M42-II)\u003c\/strong\u003e sits between your telescope's flattener or reducer and your astronomy camera and holds one 2\" (M48) mounted filter in a pull-out holder. It has an M42 × 0.75 male thread on the camera side and an M48 × 0.75 female thread on the telescope side, so it suits ZWO cooled cameras with 4\/3\", 1\" and APS-C sensors such as the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e and \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e. It's 70mm across and 21mm thick.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e holds one 2\" mounted filter (M48 × 0.75) · 21mm optical thickness · M42 × 0.75 male (camera side) · M48 × 0.75 female (telescope side) · 70mm diameter · double magnets plus side lock screw · M48-to-M42 adapter included\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/c8412a7cde329a62ed009c8e6d8b4218.png?v=1771446197\" alt=\"ZWO M42 2-inch filter drawer, black anodized body with knurled pull knob\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhen a filter drawer makes sense\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor cameras:\u003c\/strong\u003e switch between a duo-band or tri-band nebula filter for emission nebulae like the North America and Heart nebulae and a UV\/IR cut or light-pollution filter for galaxies and star clusters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort imaging trains:\u003c\/strong\u003e at 21mm it's thinner than any ZWO 2\" filter wheel, which helps with scopes that have little back focus to spare.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight travel rigs:\u003c\/strong\u003e no power cable, no USB, nothing to configure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono cameras:\u003c\/strong\u003e it works, but changing filters by hand each hour gets old fast. For LRGB or SHO, a \u003ca href=\"\/products\/zwo-5-position-efw-5x2-2025\"\u003eZWO 5-position 2\" EFW\u003c\/a\u003e is the better tool.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThread your 2\" filter into the holder, then slide the holder into the drawer until the magnets catch it. Tighten the small lock screw on the side to take up any gap. To change filters, pull the holder out by its knob and drop the next one in. With a spare holder for each filter, you don't have to unscrew filters at the scope at all.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBack focus:\u003c\/strong\u003e the drawer adds 21mm. Remember that a filter also pushes focus back by about one-third of its glass thickness, so a 2mm filter adds roughly 0.7mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/4111d878e29fe4ff9aad38ca10c95f1c-1024x640.png?v=1771446197\" alt=\"Labeled threads on the ZWO M42 drawer: M48 female telescope side, M48 filter holder, M42 male camera side\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eUsing a third-party filter? ZWO says its cell must be under 50.8mm in diameter and under 7.5mm tall, with an M48 × 0.75 thread no longer than 2.7mm.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-filter-holder-for-m42-m54-and-eos-nikon-filter-drawer\"\u003e\u003cstrong\u003eExtra 2\" filter holders\u003c\/strong\u003e\u003c\/a\u003e: keep each filter in its own holder for quick swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA 2\" filter:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band filter\u003c\/a\u003e (choose the 2\" size) or the \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e for nebulae from the city, and the \u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003eZWO IR Cut filter\u003c\/a\u003e (2\" size) for broadband targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-1-25-filter-adapter-adapt-to-2-filter-holder\"\u003e\u003cstrong\u003e1.25\" to 2\" filter adapter\u003c\/strong\u003e\u003c\/a\u003e: lets you use 1.25\" filters in the holder with smaller sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA camera:\u003c\/strong\u003e the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e or \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich ZWO filter drawer do you need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eZWO M42 drawer\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m54\"\u003eZWO M54 drawer\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-nikon-lens\"\u003eZWO drawer for Nikon lens\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-eos-lens\"\u003eZWO drawer for Canon EOS lens\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera side\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront side\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 female\u003c\/td\u003e\n\u003ctd\u003eNikon F lens bayonet\u003c\/td\u003e\n\u003ctd\u003eCanon EF lens bayonet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003ctd\u003e26.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter included\u003c\/td\u003e\n\u003ctd\u003eM48-M42F\u003c\/td\u003e\n\u003ctd\u003eM54M-M48F (2mm)\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eTelescopes with 4\/3\" to APS-C cameras\u003c\/td\u003e\n\u003ctd\u003eTelescopes with full-frame or M54-front cameras\u003c\/td\u003e\n\u003ctd\u003eNikon F camera lenses\u003c\/td\u003e\n\u003ctd\u003eCanon EF camera lenses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAll four take the same Gen 2 filter holder. See all \u003ca href=\"\/collections\/filter-wheels-drawers\"\u003efilter wheels and drawers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO M42 filter drawer with one 2\" filter holder\u003c\/li\u003e\n\u003cli\u003eM48-M42F adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/6c6380be9a29ba973a5a84f07051dc72-1024x597.png?v=1771446197\" alt=\"ZWO M42 filter drawer and M48-M42 adapter ring as packed\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eFilters and extra holders are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO M42 2\" Filter Drawer FAQ\u003c\/h2\u003e\n\u003ch3\u003eFilter drawer or filter wheel?\u003c\/h3\u003e\n\u003cp\u003eA drawer is the simple, low-cost choice when you change filters a few times a night, which is typical with a color camera. If you shoot mono and change filters every few subs, get a \u003ca href=\"\/products\/zwo-5-position-efw-5x2-2025\"\u003eZWO 2\" filter wheel\u003c\/a\u003e so the ASIAIR or N.I.N.A. can do it for you.\u003c\/p\u003e\n\u003ch3\u003eM42 or M54 drawer?\u003c\/h3\u003e\n\u003cp\u003eChoose the M42 drawer for cameras up to APS-C size with an M42 front thread. Choose the \u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m54\"\u003eM54 drawer\u003c\/a\u003e for full-frame cameras like the ASI6200 or any camera with an M54 front, where the wider opening helps avoid vignetting.\u003c\/p\u003e\n\u003ch3\u003eWill my old ZWO filter holders fit?\u003c\/h3\u003e\n\u003cp\u003eNo. Holders from the Gen 1 drawer don't fit this Gen 2 drawer, and Gen 2 holders don't fit the Gen 1 drawer. The Gen 2 \u003ca href=\"\/products\/zwo-filter-holder-for-m42-m54-and-eos-nikon-filter-drawer\"\u003efilter holder\u003c\/a\u003e fits the M42, M54, Nikon and EOS drawers.\u003c\/p\u003e\n\u003ch3\u003eCan I use 1.25\" filters?\u003c\/h3\u003e\n\u003cp\u003eYes, with the \u003ca href=\"\/products\/zwo-1-25-filter-adapter-adapt-to-2-filter-holder\"\u003eZWO 1.25\" to 2\" filter adapter\u003c\/a\u003e. Keep it to smaller sensors such as the ASI533, since a 1.25\" filter will vignette on APS-C.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical thickness\u003c\/td\u003e\n\u003ctd\u003e21mm (25mm including the M42 male thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter capacity\u003c\/td\u003e\n\u003ctd\u003eOne 2\" mounted filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolder retention\u003c\/td\u003e\n\u003ctd\u003eTwo magnets plus side lock screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eConnections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera side\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope side\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter holder\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThird-party filters\u003c\/td\u003e\n\u003ctd\u003eCell under 50.8mm diameter and 7.5mm tall; M48 thread 2.7mm long or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCompatibility\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter holder\u003c\/td\u003e\n\u003ctd\u003eZWO Gen 2 holder (F-HLDR); not Gen 1 holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eFD-M42-II \/ ZWO-FD-M42-II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45334806331651,"sku":"ZWO-FD-M42-II","price":71.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/c8412a7cde329a62ed009c8e6d8b4218.png?v=1771446197"},{"product_id":"zwo-filter-drawer-for-2-mounted-filter-m54","title":"ZWO M54 2\" Filter Drawer (Gen 2)","description":"\u003ch2\u003eA wide-opening 2\" filter drawer for full-frame and M54 cameras\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ZWO M54 filter drawer:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig threads for big sensors:\u003c\/strong\u003e M54 threads on both sides keep the light path wide, which is what a full-frame camera like the ASI6200 needs to avoid dark corners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJust 20mm thick:\u003c\/strong\u003e a ZWO cooled camera (17.5mm) plus the drawer is 37.5mm, leaving 17.5mm for spacers in a 55mm train.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuick, light-tight swaps:\u003c\/strong\u003e two magnets pull the holder in, a side lock screw removes any play, and the Gen 2 body is redesigned to stop light leaks on long exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the filter itself is a 2\" (M48) filter, so its own clear aperture is the narrowest point. That covers ZWO's APS-C and full-frame cameras, but full-frame corners may still need flats.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO M54 2\" Filter Drawer (FD-M54-II)\u003c\/strong\u003e holds one 2\" mounted filter between your telescope and a camera with an M54 front thread. It has an M54 × 0.75 male thread on the camera side and an M54 × 0.75 female thread on the telescope side, and ZWO built it for cameras such as the full-frame \u003ca href=\"\/products\/asi6200mm-pro-monochrome\"\u003eASI6200MM Pro\u003c\/a\u003e, the ASI2400 and the \u003ca href=\"\/products\/asi2600mm-duo-mono\"\u003eASI2600 Duo\u003c\/a\u003e. An M54-to-M48 adapter is included for flatteners with an M48 thread. It's 70mm across and 20mm thick.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e holds one 2\" mounted filter (M48 × 0.75) · 20mm optical thickness · M54 × 0.75 male (camera side) · M54 × 0.75 female (telescope side) · 70mm diameter · double magnets plus side lock screw · M54M-M48F 2mm adapter included\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/c75f30f2351b624fa4301d0b84bc54af.png?v=1757708116\" alt=\"ZWO M54 2-inch filter drawer with ring of mounting holes and knurled pull knob\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhen a filter drawer makes sense\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-shot-color full-frame or APS-C:\u003c\/strong\u003e switch between a duo-band filter for nebulae like the Veil or Rosette and a UV\/IR cut filter for galaxies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdding a filter to a short train:\u003c\/strong\u003e 20mm is thinner than any ZWO 2\" filter wheel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple rigs:\u003c\/strong\u003e no power or USB cable, nothing to set up in software.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono imaging:\u003c\/strong\u003e it works for one filter at a time, but for LRGB or SHO a \u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003eZWO 7-position 2\" EFW\u003c\/a\u003e saves a lot of trips to the scope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThread a 2\" filter into the holder, slide the holder in until the magnets catch it, and snug the side lock screw. To change filters, pull the holder out by its knob. A spare holder per filter makes swaps take seconds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConnecting it:\u003c\/strong\u003e the M54 male side threads into the camera's M54 front. On the telescope side, an M54 flattener or reducer threads straight in. If your flattener ends in M48, use the included 2mm M54M-M48F adapter. A filter also pushes focus back by about one-third of its glass thickness, so allow roughly 0.7mm for a 2mm filter.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/24e238184d8ebb209b773b19705e2f9b-1024x640.png?v=1757708116\" alt=\"Labeled threads on the ZWO M54 drawer: M54 female telescope side, M48 filter holder, M54 male camera side\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eUsing a third-party filter? ZWO says its cell must be under 50.8mm in diameter and under 7.5mm tall, with an M48 × 0.75 thread no longer than 2.7mm.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-filter-holder-for-m42-m54-and-eos-nikon-filter-drawer\"\u003e\u003cstrong\u003eExtra 2\" filter holders\u003c\/strong\u003e\u003c\/a\u003e: one per filter for quick swaps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA 2\" filter:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band filter\u003c\/a\u003e (2\" size) or \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e (2\") for emission nebulae, and the \u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003eZWO IR Cut filter\u003c\/a\u003e (2\") for broadband.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA camera:\u003c\/strong\u003e the full-frame \u003ca href=\"\/products\/asi6200mm-pro-monochrome\"\u003eASI6200MM Pro\u003c\/a\u003e, or the \u003ca href=\"\/products\/asi2600mm-duo-mono\"\u003eASI2600MM Duo\u003c\/a\u003e or \u003ca href=\"\/products\/asi2600mc-duo-color\"\u003eASI2600MC Duo\u003c\/a\u003e with their built-in guide sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich ZWO filter drawer do you need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m42\"\u003eZWO M42 drawer\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eZWO M54 drawer\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-nikon-lens\"\u003eZWO drawer for Nikon lens\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-eos-lens\"\u003eZWO drawer for Canon EOS lens\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera side\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront side\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 female\u003c\/td\u003e\n\u003ctd\u003eNikon F lens bayonet\u003c\/td\u003e\n\u003ctd\u003eCanon EF lens bayonet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003ctd\u003e26.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter included\u003c\/td\u003e\n\u003ctd\u003eM48-M42F\u003c\/td\u003e\n\u003ctd\u003eM54M-M48F (2mm)\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eTelescopes with 4\/3\" to APS-C cameras\u003c\/td\u003e\n\u003ctd\u003eTelescopes with full-frame or M54-front cameras\u003c\/td\u003e\n\u003ctd\u003eNikon F camera lenses\u003c\/td\u003e\n\u003ctd\u003eCanon EF camera lenses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAll four take the same Gen 2 filter holder. See all \u003ca href=\"\/collections\/filter-wheels-drawers\"\u003efilter wheels and drawers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO M54 filter drawer with one 2\" filter holder\u003c\/li\u003e\n\u003cli\u003eM54M-M48F adapter, 2mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/7b6aa33a7a47f2fd6a3dd91e13a6599f-1024x597.png?v=1757708116\" alt=\"ZWO M54 filter drawer and 2mm M54-M48 adapter ring as packed\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eFilters and extra holders are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO M54 2\" Filter Drawer FAQ\u003c\/h2\u003e\n\u003ch3\u003eM54 or M42 drawer?\u003c\/h3\u003e\n\u003cp\u003eIf your camera has an M54 front, as ZWO's full-frame and Duo cameras do, use the M54 drawer. For cameras with an M42 front and sensors up to APS-C, the \u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m42\"\u003eM42 drawer\u003c\/a\u003e is the match.\u003c\/p\u003e\n\u003ch3\u003eWill it vignette on a full-frame sensor?\u003c\/h3\u003e\n\u003cp\u003eThe drawer's M54 threads are wide enough, but a 2\" filter's clear aperture is close to the 43mm diagonal of a full-frame sensor, so expect a little corner falloff with fast optics. Flat frames remove it.\u003c\/p\u003e\n\u003ch3\u003eWill my old ZWO filter holders fit?\u003c\/h3\u003e\n\u003cp\u003eNo. Gen 1 holders don't fit this Gen 2 drawer. The Gen 2 \u003ca href=\"\/products\/zwo-filter-holder-for-m42-m54-and-eos-nikon-filter-drawer\"\u003efilter holder\u003c\/a\u003e fits the M42, M54, Nikon and EOS drawers.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical thickness\u003c\/td\u003e\n\u003ctd\u003e20mm (24mm including the M54 male thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter capacity\u003c\/td\u003e\n\u003ctd\u003eOne 2\" mounted filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolder retention\u003c\/td\u003e\n\u003ctd\u003eTwo magnets plus side lock screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting holes\u003c\/td\u003e\n\u003ctd\u003e12 × M2.5 on the telescope-side face\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eConnections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera side\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTelescope side\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter holder\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThird-party filters\u003c\/td\u003e\n\u003ctd\u003eCell under 50.8mm diameter and 7.5mm tall; M48 thread 2.7mm long or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCompatibility\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter holder\u003c\/td\u003e\n\u003ctd\u003eZWO Gen 2 holder (F-HLDR); not Gen 1 holders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eFD-M54-II \/ ZWO-FD-M54-II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45334939238659,"sku":"ZWO-FD-M54-II","price":71.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/c75f30f2351b624fa4301d0b84bc54af.png?v=1757708116"},{"product_id":"zwo-filter-holder-for-m42-m54-and-eos-nikon-filter-drawer","title":"ZWO Filter Drawer 2\" Filter Holder","description":"\u003ch3\u003e\n\u003cstrong\u003eDescription\u003c\/strong\u003e:\u003c\/h3\u003e\n\u003cp\u003eZWO's M42 filter drawer includes one 2\" filter holder. However, you can purchase additional filter holders without having to buy the entire filter drawer all over again just for the holder.\u003c\/p\u003e\n\u003cp\u003eYou can now purchase as many filter holders as you need and slide in the appropriate filter into the drawer as you like. \u003c\/p\u003e\n\u003cp\u003eThe filter holder has standard M48x0.75 threads for 2\" mounted astronomy filters.\u003c\/p\u003e\n\u003cp\u003eThis new Gen 2 filter holder will fit \u003cstrong\u003eONLY\u003c\/strong\u003e the following ZWO filter drawers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFD-M42-II Gen 2 M42\/M48 filter drawer\u003c\/li\u003e\n\u003cli\u003eFD-M54-II Gen 2 M54 filter drawer\u003c\/li\u003e\n\u003cli\u003eFD-EOS Canon EOS filter drawer\u003c\/li\u003e\n\u003cli\u003eFD-Nikon Nikon filter drawer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis new Gen 2 filter holder will \u003cstrong\u003eNOT\u003c\/strong\u003e fit the following ZWO filter drawers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFD-M42 Gen 1 M42\/M48 filter drawer\u003c\/li\u003e\n\u003cli\u003eFD-M54 Gen 1 M54 filter drawer\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eNote:the old filter holder is not applicable to the new filter drawer.\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45334983213315,"sku":"ZWO-F-HLDR","price":32.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/paar-zw-f-hldr.jpg?v=1752702336"},{"product_id":"asi6200mm-pro-monochrome","title":"ZWO ASI6200MM Pro Full-Frame Cooled Mono Camera (2025 Model)","description":"\u003ch2\u003eA full-frame mono camera for wide, deep narrowband and LRGB images\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI6200MM Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe biggest sensor ZWO makes:\u003c\/strong\u003e the 36 × 24mm full-frame IMX455 covers 2.3 times the area of an APS-C sensor, so big targets like the Veil or the Heart and Soul fit in one frame instead of a mosaic.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetail and dynamic range together:\u003c\/strong\u003e 62MP with 3.76µm pixels, a true 16-bit ADC and a 51,400e⁻ full well hold faint nebula detail and bright star cores in the same frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono for the most from every photon:\u003c\/strong\u003e 91% peak QE and narrowband filters let you shoot hydrogen, oxygen and sulfur from a city backyard, even with the Moon up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e a full-frame sensor needs a telescope with a large, flat image circle (about 44mm or more), 2-inch filters and a filter wheel. If your scope only covers APS-C, the \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e is the better match.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI6200MM Pro (2025 model)\u003c\/strong\u003e is a cooled monochrome astronomy camera built around Sony's 62-megapixel full-frame IMX455 sensor. It's for imagers who already know their way around a mono workflow, or who are ready to step up to one, and who want the widest field and the most resolution ZWO offers. Two-stage cooling holds the sensor about 35°C below ambient, dark current is tiny, and there's no amp glow, so long narrowband subs calibrate cleanly. The body weighs 0.7kg (1.54lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX455 full-frame mono sensor, 36 × 24mm · 62MP (9576 × 6388) · 3.76µm pixels · 16-bit ADC · read noise 1.2–3.5e⁻ · 51.4ke⁻ full well · 91% peak QE · two-stage cooling to 35°C below ambient · USB 3.0 with 512MB buffer · 0.7kg (1.54lb)\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5098172129065d5e48532580ceafe253.jpg?v=1748648433\" alt=\"ZWO ASI6200MM Pro full-frame cooled mono camera, front three-quarter view\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge nebula complexes in one frame:\u003c\/strong\u003e the Veil Nebula, Heart and Soul, the North America and Pelican, and the Orion region. On a 400mm refractor the field is about 5.2° × 3.4°.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband from light-polluted skies:\u003c\/strong\u003e hydrogen-alpha, OIII and SII images of the Eagle, Rosette, Crescent and Elephant's Trunk Nebulae from a Denver-area backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies with room to crop:\u003c\/strong\u003e the Andromeda Galaxy, M81 and M82 together, and the Leo Triplet. At 600mm the image scale is about 1.3″ per pixel across a 3.4° × 2.3° field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLRGB color:\u003c\/strong\u003e shoot luminance for detail and red, green and blue filters for color, then combine them for natural-color galaxies and clusters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThe camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and runs its cooler from 12V power. A filter wheel in front of the camera switches filters during the night, and software combines each filter's frames into a color image. The camera body has two USB 2.0 ports for the filter wheel and guide camera, which keeps cables short at the scope.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the front of the camera. ZWO includes the extenders needed to reach the standard 55mm back focus that most flatteners and reducers expect, and the camera's 0.7kg weight keeps the imaging train light for its size.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/6200MMProSpecs_752d0a1af97809ba8bcd6984e5d68889-1.jpg?v=1748648433\" alt=\"ASI6200MM Pro spec chart: IMX455 sensor, 9576 x 6388 resolution, 16-bit ADC, 91% QE\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a 12V power tank in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003e\u003cstrong\u003eZWO 7-position 2\" filter wheel (required for color):\u003c\/strong\u003e\u003c\/a\u003e holds a full LRGB and narrowband set. It's 20mm thick and powered over USB from the camera's hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/optolong-lrgb-sho-7nm-7-pieces\"\u003e\u003cstrong\u003eOptolong LRGB + SHO 7nm filter set (2\")\u003c\/strong\u003e\u003c\/a\u003e: seven filters for the seven slots, or start with the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e for narrowband only. Choose 2-inch filters; 1.25-inch filters will vignette this sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO Large OAG (12mm prism)\u003c\/strong\u003e\u003c\/a\u003e with an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e guide camera: guides through the main telescope, which suits long focal lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically after each filter change and as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, filter wheel, mount, guiding and focuser from your phone, including multi-filter sequences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e a \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e for refractors up to about 100mm with this camera, or a \u003ca href=\"\/products\/zwo-am7-tc40\"\u003eZWO AM7\u003c\/a\u003e for larger scopes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI6200MM Pro vs. ASI2600MM Pro vs. ASI2600MC Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI6200MM Pro (2025)\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX455 mono, full frame\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e36 × 24mm\u003c\/td\u003e\n\u003ctd\u003e23.5 × 15.7mm\u003c\/td\u003e\n\u003ctd\u003e23.5 × 15.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e62MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003e2\" filters and a filter wheel\u003c\/td\u003e\n\u003ctd\u003e36mm or 2\" filters and a filter wheel\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage circle needed\u003c\/td\u003e\n\u003ctd\u003eAbout 44mm or more\u003c\/td\u003e\n\u003ctd\u003eAbout 28mm or more\u003c\/td\u003e\n\u003ctd\u003eAbout 28mm or more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eThe widest field and most resolution, on a full-frame scope\u003c\/td\u003e\n\u003ctd\u003eMono imaging on most refractors, with smaller filters\u003c\/td\u003e\n\u003ctd\u003eColor in one shot, with the simplest setup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eASI6200MM Pro camera body and front cover\u003c\/li\u003e\n\u003cli\u003eT2-M48 extender (16.5mm), M54-M48 extender (21mm) and M48-M42 adapter\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eHex wrench, quick guide and padded camera bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filter wheel, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI6200MM Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI6200MM Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's best as a second or third camera. Mono imaging means a filter wheel, filters and more processing, and the full-frame sensor needs a telescope that covers it. If this is your first dedicated astro camera, we usually suggest the \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eASI6200MM Pro or ASI2600MM Pro?\u003c\/h3\u003e\n\u003cp\u003eBoth use 3.76µm pixels, so detail per pixel is the same. The ASI6200MM Pro covers 2.3 times the sky area on the same telescope but needs a full-frame image circle and 2-inch filters. The \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e costs about half as much and works with smaller filters and more telescopes.\u003c\/p\u003e\n\u003ch3\u003eWhat telescope works with it?\u003c\/h3\u003e\n\u003cp\u003eOne with a flat field of about 44mm or more, usually a refractor or astrograph sold as full-frame compatible, with a flattener or reducer set for 55mm back focus.\u003c\/p\u003e\n\u003ch3\u003eWhich filters do I need?\u003c\/h3\u003e\n\u003cp\u003eTwo-inch mounted filters (or 50mm unmounted) in a 2-inch filter wheel. A common set is luminance, red, green and blue plus hydrogen-alpha, OIII and SII, which fills the 7-position wheel exactly.\u003c\/p\u003e\n\u003ch3\u003eCan I use it without a computer?\u003c\/h3\u003e\n\u003cp\u003eYes, with an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e. It controls the camera, filter wheel, focuser and guiding from a phone or tablet.\u003c\/p\u003e\n\u003ch3\u003eWhat power does it need?\u003c\/h3\u003e\n\u003cp\u003eThe camera reads data over USB, but the cooler needs 12V DC (center positive, 5.5 × 2.1mm). ZWO recommends a supply of at least 3A.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX455, back-illuminated, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eFull frame, 36 × 24mm (43.3mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e62MP, 9576 × 6388\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e1.2–3.5e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e51,400e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, about 35°C below ambient (measured at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark current\u003c\/td\u003e\n\u003ctd\u003e0.003e⁻\/s\/pixel at 0°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh-conversion-gain mode\u003c\/td\u003e\n\u003ctd\u003eTurns on at gain 100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-dew\u003c\/td\u003e\n\u003ctd\u003eHeated protective window (about 5W, switchable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 512MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC for cooling (supply not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor back focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.7kg (1.54lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI6200MM-P25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45394963005699,"sku":"ZWO-ASI6200MM-P25","price":3599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5098172129065d5e48532580ceafe253.jpg?v=1748648433"},{"product_id":"asi2600mc-duo-color","title":"ZWO ASI2600MC DUO Cooled Color Camera with Built-in Guide Sensor","description":"\u003ch2\u003eOne-shot color APS-C imaging with the guide camera built in\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI2600MC DUO:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne camera instead of three parts:\u003c\/strong\u003e the same 26MP IMX571 color sensor as the ASI2600MC Pro, with an SC2210 guide sensor (the one in the ASI220MM Mini) sitting just beside it. There's no off-axis guider, guide camera or guide scope to buy, mount or balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor in one shot, guiding through your telescope:\u003c\/strong\u003e no filter wheel needed, and the guide sensor sees through the main optics like a built-in off-axis guider, so there's no flexure between a guide scope and the imaging scope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with the software you already use:\u003c\/strong\u003e it's a regular USB camera, not a smart camera, so it runs from a computer or an ASIAIR. That's the main difference from the ASI2600MC Air, which has the ASIAIR built in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the guide sensor sits off center, so you need a telescope with a full-frame image circle, and any filter you add should be 2-inch. A dual-band filter dims the guide stars along with the light pollution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI2600MC DUO\u003c\/strong\u003e is a cooled one-shot-color deep-sky camera that puts an imaging sensor and a guide sensor in one 90mm body. The main sensor is Sony's 26MP back-illuminated APS-C IMX571 with a 16-bit ADC, about 80% peak QE and zero amp glow, behind a UV\/IR-cut window. The guide sensor is a 2MP mono SC2210 with 0.6e⁻ read noise and 92% peak QE. One USB 3.0 cable runs both. It's for imagers who want a wide APS-C color field and guiding at longer focal lengths without an OAG and guide camera. The camera weighs 715g (1.58lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX571 APS-C color sensor (23.5 × 15.7mm) · 26MP (6248 × 4176) · 3.76µm pixels · 80% peak QE · 16-bit ADC, up to 14 stops dynamic range · read noise 0.9–4.2e⁻ · built-in SC2210 guide sensor (1920 × 1080, 4µm) · cooling 30–35°C below ambient · zero amp glow · USB 3.0 with 512MB buffer · 715g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/96f634361e4ab52f7683b03b404c666d_jpg.webp?v=1726783062\" alt=\"ZWO ASI2600MC DUO cooled color camera with its UV\/IR-cut window, shown against a nebula\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge nebulae in color:\u003c\/strong\u003e the North America and Pelican, Heart and Soul, Rosette and California Nebulae, the Veil and the Orion Nebula region. On the 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field is about 5.4° × 3.6° at 3.1″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebula detail:\u003c\/strong\u003e the Eagle Nebula, Lagoon and Trifid, the Elephant's Trunk and the Crescent. On the 612mm \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eZWO FF90\u003c\/a\u003e the field is about 2.2° × 1.5° at 1.3″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies and star clusters:\u003c\/strong\u003e the Andromeda and Triangulum Galaxies, M81 and M82, the Leo Triplet, the Whirlpool and the Pleiades. On the 770mm \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e the field is about 1.75° × 1.2° at 1.0″ per pixel, and the guide sensor works at about 1.1″ per pixel, which is where a built-in guider earns its keep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission nebulae from the city:\u003c\/strong\u003e add a 2\" dual-band filter and hydrogen-alpha and OIII targets like the Heart, the Veil and the Bubble Nebula become workable from a light-polluted backyard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThe main sensor records the color image while the guide sensor, about 18mm off center, watches a star at the edge of the same light cone and sends corrections to the mount. Both sensors share one USB 3.0 cable to your computer or \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e, and two USB 2.0 ports on the back power and control a focuser or filter wheel. The cooler needs 12V (ZWO specifies 12V at 3–5A, 5.5 × 2.1mm plug, center positive).\u003c\/p\u003e\n\u003cp\u003eA knob on the side focuses the guide sensor separately, so you can make the guide stars sharp once the main camera is in focus. The sensor sits 17.5mm behind the front of the removable 5mm M54 tilt plate, and the included 16.5mm and 21mm M54 extenders bring that to the standard 55mm most flatteners and reducers expect. Three push-pull screws on the back adjust tilt without taking the camera off the scope.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/cc7bf30c538fef5f9d74b945477cbb97_jpg.webp?v=1726783733\" alt=\"Back panel of the ASI2600MC DUO: USB 3.0 to the computer, two USB 2.0 ports for an EAF or filter wheel, and the 12V power jack\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eZWO's drawing places both sensors inside a 44mm circle, so choose a telescope sold as full-frame compatible, such as the ZWO FF quadruplets. On scopes with a smaller image circle, or with reducers at the wrong spacing, stars in the guide sensor's corners may not be round. ZWO notes that this doesn't affect normal guiding.\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e from Denver, a dual-band filter makes emission nebulae practical. Save galaxies and reflection nebulae for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e the cooler holds a set temperature as the night cools, and the heated window keeps frost off. ZWO rates the camera for −5°C to 50°C, so on the coldest winter nights keep an eye on it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003eZWO 12V 5A adapter\u003c\/a\u003e at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dual-band filter for city skies:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band\u003c\/a\u003e or the narrower \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e, in the 2\" size so it covers the guide sensor too.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m54\"\u003e\u003cstrong\u003eZWO M54 2\" filter drawer\u003c\/strong\u003e\u003c\/a\u003e: swaps a 2\" filter in and out without taking the camera apart.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically as the temperature drops, and plugs into the camera's USB port.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, guiding, focuser and mount from your phone, if you'd rather not bring a laptop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA full-frame telescope and a mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eZWO FF90\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e on a \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI2600MC DUO vs. ASI2600MC Pro vs. ASI2600MC Air vs. ASI2600MM DUO\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI2600MC DUO\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-air\"\u003eASI2600MC Air\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mm-duo-mono\"\u003eASI2600MM DUO\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain sensor\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor\u003c\/td\u003e\n\u003ctd\u003eSeparate \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eOAG\u003c\/a\u003e and \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eguide camera\u003c\/a\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003eComputer or ASIAIR\u003c\/td\u003e\n\u003ctd\u003eComputer or ASIAIR\u003c\/td\u003e\n\u003ctd\u003eBuilt-in ASIAIR, 256GB\u003c\/td\u003e\n\u003ctd\u003eComputer or ASIAIR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003eNone (2\" dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eNone (2\" dual-band optional)\u003c\/td\u003e\n\u003ctd\u003e2\" filter wheel and filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage circle needed\u003c\/td\u003e\n\u003ctd\u003eFull frame (about 44mm)\u003c\/td\u003e\n\u003ctd\u003eAbout 28mm or more\u003c\/td\u003e\n\u003ctd\u003eFull frame (43mm)\u003c\/td\u003e\n\u003ctd\u003eFull frame (about 44mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$1,799\u003c\/td\u003e\n\u003ctd\u003e$1,499, about $1,926 with an OAG and ASI220MM Mini\u003c\/td\u003e\n\u003ctd\u003e$1,999\u003c\/td\u003e\n\u003ctd\u003e$2,299\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eColor with built-in guiding and your own software\u003c\/td\u003e\n\u003ctd\u003eShorter scopes, choosing each part\u003c\/td\u003e\n\u003ctd\u003eThe fewest boxes and cables at the scope\u003c\/td\u003e\n\u003ctd\u003eNarrowband and LRGB with built-in guiding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/b04a70ae01f04036e17b97cf0b12c47c_jpg.webp?v=1726783809\" alt=\"ASI2600MC DUO box contents: camera, bag, USB 2.0 and USB 3.0 cables, M54 extenders, M54-M48 adapter and hex wrench\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI2600MC DUO camera and camera bag\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cables (2m and 0.75m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eM54 extenders (16.5mm and 21mm) and an M54-M48 adapter\u003c\/li\u003e\n\u003cli\u003eHex wrench and quick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filters, telescope and mount are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI2600MC DUO FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI2600MC DUO good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's a good choice for someone who has learned the basics of a mount and stacking and is ready for a cooled camera. Color in one shot keeps processing simple, and the built-in guider means one less camera to set up. You'll still need a computer or ASIAIR, 12V power and a full-frame telescope.\u003c\/p\u003e\n\u003ch3\u003eASI2600MC DUO or ASI2600MC Pro with an OAG?\u003c\/h3\u003e\n\u003cp\u003eThe DUO costs about $125 less than an \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e, a \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eZWO OAG\u003c\/a\u003e and an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e, and there's nothing to space or align between them. The Pro makes sense on a scope whose image circle is smaller than full frame, on short refractors where a small guide scope works fine, or if you already own a guider.\u003c\/p\u003e\n\u003ch3\u003eASI2600MC DUO or ASI2600MC Air?\u003c\/h3\u003e\n\u003cp\u003eThey share the same main and guide sensors. The \u003ca href=\"\/products\/asi2600mc-air\"\u003eMC Air\u003c\/a\u003e adds a built-in ASIAIR with 256GB of storage and Wi-Fi for $200 more. Choose the DUO if you run NINA, SharpCap or another program on a computer, or already own an ASIAIR.\u003c\/p\u003e\n\u003ch3\u003eColor (MC) or mono (MM) DUO?\u003c\/h3\u003e\n\u003cp\u003eChoose the MC for full-color images in one shot with no filter wheel. Choose the \u003ca href=\"\/products\/asi2600mm-duo-mono\"\u003eMM DUO\u003c\/a\u003e for narrowband from the city and the most sensitivity, if you're ready for a 2\" filter wheel and filters.\u003c\/p\u003e\n\u003ch3\u003eCan I use a filter with it?\u003c\/h3\u003e\n\u003cp\u003eYes, a 2\" filter. The filter sits in front of both sensors, and the guide sensor is about 18mm off center, outside what a 1.25\" or 36mm filter covers. Narrowband and dual-band filters dim the guide stars, so a fast telescope and slightly longer guide exposures help.\u003c\/p\u003e\n\u003ch3\u003eDo I need an IR-cut filter?\u003c\/h3\u003e\n\u003cp\u003eNo. The color DUO's protective window is already a UV\/IR-cut filter.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMain sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX571, back-illuminated, color (Bayer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eAPS-C, 23.5 × 15.7mm (28.3mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e26MP, 6248 × 4176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.9–4.2e⁻ (1.3e⁻ at gain 100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e50,000e⁻; up to 73,000e⁻ in extended mode (gain −25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003eUp to 14 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e15 fps at full resolution (8-bit high-speed mode); 6.1 fps at 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eGuide sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSC2210, mono, 1\/1.8\" (7.68 × 4.32mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e2MP, 1920 × 1080, 4µm pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.6–3.2e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e8,780e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e92% at 500nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eSeparate guide-sensor focus knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCooling and electronics\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (tested at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-dew\u003c\/td\u003e\n\u003ctd\u003ePolyimide heater on the protective window, switchable in software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eUV\/IR-cut, 60mm × 2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 (one cable for both sensors), 512MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3–5A, 5.5 × 2.1mm center positive (supply not included); 27.5W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eWindows, Linux and macOS; ASIAIR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront connection\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 on a removable 5mm tilt plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt adjustment\u003c\/td\u003e\n\u003ctd\u003eTilt plate plus three push-pull screws on the back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with the included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage circle\u003c\/td\u003e\n\u003ctd\u003eFull frame recommended (both sensors fit within 44mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e90mm diameter × 97mm long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e715g (1.58lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e−5°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI2600MC-Duo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45412219191555,"sku":"ZWO-ASI2600MC-Duo","price":1619.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/DuoSensor_156005c5baf40ff51a327f1c34f2975b-1.jpg?v=1715973274"},{"product_id":"asi2600mm-duo-mono","title":"ZWO ASI2600MM DUO Cooled Mono Camera with Built-in Guide Sensor","description":"\u003ch2\u003eAPS-C mono imaging with the guide camera built in\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI2600MM DUO:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne camera instead of three parts:\u003c\/strong\u003e the same 26MP IMX571 mono sensor as the ASI2600MM Pro, with an SC2210 guide sensor (the one in the ASI220MM Mini) sitting just beside it. There's no off-axis guider, guide camera or guide scope to buy, mount or balance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuiding through your telescope:\u003c\/strong\u003e the guide sensor sees through the main optics like a built-in off-axis guider, so there's no flexure between a guide scope and the imaging scope on long narrowband subs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with the software you already use:\u003c\/strong\u003e it's a regular USB camera, not a smart camera, so it runs from a computer or an ASIAIR. That's the main difference from the ASI2600MM Air, which has the ASIAIR built in.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the guide sensor sits off center, so you need a telescope with a full-frame image circle and 2-inch filters. Narrowband filters also dim the guide stars, and a separate guide camera would be faster to replace if anything ever needs service.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI2600MM DUO\u003c\/strong\u003e is a cooled monochrome deep-sky camera that puts an imaging sensor and a guide sensor in one 90mm body. The main sensor is Sony's 26MP back-illuminated APS-C IMX571 with a 16-bit ADC, about 91% peak QE and zero amp glow. The guide sensor is a 2MP SC2210 with 0.6e⁻ read noise and 92% peak QE. One USB 3.0 cable runs both. It's for imagers ready for LRGB and narrowband who want a long-focal-length guiding setup without an OAG and guide camera. The camera weighs 715g (1.58lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX571 APS-C mono sensor (23.5 × 15.7mm) · 26MP (6248 × 4176) · 3.76µm pixels · 91% peak QE · 16-bit ADC, up to 14 stops dynamic range · read noise 0.9–4.2e⁻ · built-in SC2210 guide sensor (1920 × 1080, 4µm) · cooling 30–35°C below ambient · zero amp glow · USB 3.0 with 512MB buffer · 715g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/98f4e75d0f034da24c1f9a30a1a25bbf_jpg.webp?v=1726783678\" alt=\"Front of the ZWO ASI2600 DUO with the APS-C main sensor, the small guide sensor above it and the window heater labeled\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge nebulae in narrowband:\u003c\/strong\u003e the North America and Pelican, Heart and Soul, Veil, California and Rosette Nebulae in hydrogen-alpha, OIII and SII. On the 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field is about 5.4° × 3.6° at 3.1″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebula detail:\u003c\/strong\u003e the Eagle's Pillars, the Elephant's Trunk, the Crescent and the Cygnus Wall. On the 612mm \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eZWO FF90\u003c\/a\u003e the field is about 2.2° × 1.5° at 1.3″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies in LRGB:\u003c\/strong\u003e the Andromeda and Triangulum Galaxies, M81 and M82, the Leo Triplet and the Whirlpool. On the 770mm \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e the field is about 1.75° × 1.2° at 1.0″ per pixel, and the guide sensor works at about 1.1″ per pixel, which is where a built-in guider earns its keep.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaint outer structure:\u003c\/strong\u003e the high QE and low noise suit long integrations on targets like the Squid Nebula (Ou4) in OIII or the faint dust around M81.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThe main sensor records the image through your filters while the guide sensor, about 18mm off center, watches a star at the edge of the same light cone and sends corrections to the mount. Both sensors share one USB 3.0 cable to your computer or \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e, and two USB 2.0 ports on the back power and control a filter wheel and focuser. The cooler needs 12V (ZWO specifies 12V at 3–5A, 5.5 × 2.1mm plug, center positive).\u003c\/p\u003e\n\u003cp\u003eA knob on the side focuses the guide sensor separately, so you can make the guide stars sharp once the main camera is in focus. The sensor sits 17.5mm behind the front of the removable 5mm M54 tilt plate, and the included 16.5mm and 21mm M54 extenders bring that to the standard 55mm most flatteners and reducers expect. A 2-inch filter wheel takes the place of part of that spacing. Three push-pull screws on the back adjust tilt without taking the camera off the scope.\u003c\/p\u003e\n\u003cp\u003eZWO's drawing places both sensors inside a 44mm circle, so choose a telescope sold as full-frame compatible, such as the ZWO FF quadruplets. On scopes with a smaller image circle, or with reducers at the wrong spacing, stars in the guide sensor's corners may not be round. ZWO notes that this doesn't affect normal guiding.\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e narrowband filters cut through city light, so emission nebulae are fair game from Denver, even with the Moon up. Save LRGB galaxies for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e the cooler holds a set temperature as the night cools, and the heated window keeps frost off. ZWO rates the camera for −5°C to 50°C, so on the coldest winter nights keep an eye on it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA 2\" filter wheel (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003eZWO EFW 7x2\" (2025)\u003c\/a\u003e holds LRGB plus Ha, OIII and SII; the \u003ca href=\"\/products\/zwo-5-position-efw-5x2-2025\"\u003eEFW 5x2\" (2025)\u003c\/a\u003e holds LRGB plus Ha. Both plug into the camera's USB ports. The filters sit in front of the guide sensor too, so 36mm and 1.25\" wheels are too small.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband filters:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e or the \u003ca href=\"\/products\/optolong-sho-7nm-3-filter-set\"\u003eOptolong SHO 7nm set\u003c\/a\u003e, in the 2\" size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLRGB filters:\u003c\/strong\u003e the \u003ca href=\"\/products\/optolong-lrgb-filters-4-pieces\"\u003eOptolong LRGB set\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-lrgb-filters\"\u003eZWO LRGB set\u003c\/a\u003e in 2\", for galaxies and star clusters in natural color.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003eZWO 12V 5A adapter\u003c\/a\u003e at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically between filters and as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, guiding, filter wheel, focuser and mount from your phone, if you'd rather not bring a laptop.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA full-frame telescope and a mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eZWO FF90\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e on a \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI2600MM DUO vs. ASI2600MM Pro vs. ASI2600MM Air vs. ASI2600MC DUO\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI2600MM DUO\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mm-air-mono\"\u003eASI2600MM Air\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-duo-color\"\u003eASI2600MC DUO\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain sensor\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003ctd\u003eAbout 91%\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor\u003c\/td\u003e\n\u003ctd\u003eSeparate \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eOAG\u003c\/a\u003e and \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eguide camera\u003c\/a\u003e\n\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003eComputer or ASIAIR\u003c\/td\u003e\n\u003ctd\u003eComputer or ASIAIR\u003c\/td\u003e\n\u003ctd\u003eBuilt-in ASIAIR, 256GB\u003c\/td\u003e\n\u003ctd\u003eComputer or ASIAIR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003e2\" filter wheel and filters\u003c\/td\u003e\n\u003ctd\u003eFilter wheel and 36mm or 2\" filters\u003c\/td\u003e\n\u003ctd\u003e2\" filter wheel and filters\u003c\/td\u003e\n\u003ctd\u003eNone (2\" dual-band optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage circle needed\u003c\/td\u003e\n\u003ctd\u003eFull frame (about 44mm)\u003c\/td\u003e\n\u003ctd\u003eAbout 28mm or more\u003c\/td\u003e\n\u003ctd\u003eFull frame (43mm)\u003c\/td\u003e\n\u003ctd\u003eFull frame (about 44mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$2,299\u003c\/td\u003e\n\u003ctd\u003e$1,999, about $2,426 with an OAG and ASI220MM Mini\u003c\/td\u003e\n\u003ctd\u003e$2,499\u003c\/td\u003e\n\u003ctd\u003e$1,799\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eMono with built-in guiding and your own software\u003c\/td\u003e\n\u003ctd\u003eSmaller filters, shorter scopes, choosing each part\u003c\/td\u003e\n\u003ctd\u003eThe fewest boxes and cables at the scope\u003c\/td\u003e\n\u003ctd\u003eColor in one shot with built-in guiding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/b04a70ae01f04036e17b97cf0b12c47c_jpg.webp?v=1726783809\" alt=\"ASI2600 DUO box contents: camera, bag, USB 2.0 and USB 3.0 cables, M54 extenders, M54-M48 adapter and hex wrench\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI2600MM DUO camera and camera bag\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cables (2m and 0.75m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eM54 extenders (16.5mm and 21mm) and an M54-M48 adapter\u003c\/li\u003e\n\u003cli\u003eHex wrench and quick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eZWO's box photo shows the color MC DUO; the MM DUO ships with the same accessories. The 12V power supply, filter wheel, filters, telescope and mount are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI2600MM DUO FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI2600MM DUO good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's best as a second camera, once you're comfortable with focusing, guiding and stacking. Mono imaging means a filter wheel, filters and combining channels in processing. If you're starting out, the color \u003ca href=\"\/products\/asi2600mc-duo-color\"\u003eASI2600MC DUO\u003c\/a\u003e keeps the built-in guiding and skips the filters.\u003c\/p\u003e\n\u003ch3\u003eASI2600MM DUO or ASI2600MM Pro with an OAG?\u003c\/h3\u003e\n\u003cp\u003eThe DUO costs about $125 less than an \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e, a \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eZWO OAG\u003c\/a\u003e and an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e, and there's nothing to space or align between them. The Pro makes sense if your telescope's image circle is smaller than full frame, you want to use 36mm filters, or you already own a guider.\u003c\/p\u003e\n\u003ch3\u003eASI2600MM DUO or ASI2600MM Air?\u003c\/h3\u003e\n\u003cp\u003eThey share the same main and guide sensors. The \u003ca href=\"\/products\/asi2600mm-air-mono\"\u003eMM Air\u003c\/a\u003e adds a built-in ASIAIR with 256GB of storage and Wi-Fi for $200 more. Choose the DUO if you run NINA, SharpCap or another program on a computer, or already own an ASIAIR.\u003c\/p\u003e\n\u003ch3\u003eWhat size filters do I need?\u003c\/h3\u003e\n\u003cp\u003e2\" filters. The filter sits in front of both sensors, and the guide sensor is about 18mm off center, outside what 36mm and 1.25\" filters cover.\u003c\/p\u003e\n\u003ch3\u003eCan it guide through narrowband filters?\u003c\/h3\u003e\n\u003cp\u003eYes, but narrowband filters dim the guide stars too. The SC2210's high sensitivity helps, and a fast telescope and slightly longer guide exposures make it easier.\u003c\/p\u003e\n\u003ch3\u003eWhat telescope works best?\u003c\/h3\u003e\n\u003cp\u003eA refractor with a full-frame image circle and the standard 55mm back focus, such as the \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eZWO FF90\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e. The built-in guider is most useful from about 500mm focal length up.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMain sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX571, back-illuminated, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eAPS-C, 23.5 × 15.7mm (28.3mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e26MP, 6248 × 4176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.9–4.2e⁻ (1.3e⁻ at gain 100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e50,000e⁻; up to 73,000e⁻ in extended mode (gain −25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003eUp to 14 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e15 fps at full resolution (8-bit high-speed mode); 6.1 fps at 16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eGuide sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSC2210, mono, 1\/1.8\" (7.68 × 4.32mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e2MP, 1920 × 1080, 4µm pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.6–3.2e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e8,780e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e92% at 500nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocus\u003c\/td\u003e\n\u003ctd\u003eSeparate guide-sensor focus knob\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCooling and electronics\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (tested at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-dew\u003c\/td\u003e\n\u003ctd\u003ePolyimide heater on the protective window, switchable in software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated, 60mm × 2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 (one cable for both sensors), 512MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3–5A, 5.5 × 2.1mm center positive (supply not included); 27.5W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eWindows, Linux and macOS; ASIAIR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront connection\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 on a removable 5mm tilt plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt adjustment\u003c\/td\u003e\n\u003ctd\u003eTilt plate plus three push-pull screws on the back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with the included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage circle\u003c\/td\u003e\n\u003ctd\u003eFull frame recommended (both sensors fit within 44mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e90mm diameter × 97mm long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e715g (1.58lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e−5°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI2600MM-Duo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45412271358211,"sku":"ZWO-ASI2600MM-Duo","price":2069.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/DuoSensor_156005c5baf40ff51a327f1c34f2975b-1_fbd2fcb4-5d86-4c59-bec2-a8fdbbb5fc98.jpg?v=1752775462"},{"product_id":"asi533mc-pro-color","title":"ZWO ASI533MC Pro Cooled Color Astronomy Camera","description":"\u003ch2\u003eA square-sensor cooled color camera that makes deep-sky imaging simple\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI533MC Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA square frame that's easy to use:\u003c\/strong\u003e the 1-inch IMX533 sensor is 11.3 × 11.3mm, so you never need to rotate the camera to fit a target, and round objects like galaxies, globular clusters and the Rosette sit naturally in the frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean files from the start:\u003c\/strong\u003e zero amp glow, read noise down to 1.0e⁻ and two-stage cooling to about 35°C below ambient, so calibration is simple and stacks come out smooth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForgiving on small refractors:\u003c\/strong\u003e the 16mm diagonal is small enough that most flatteners give round stars right to the corners, and corner tilt matters far less than on a full-frame or APS-C sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the field is smaller than an APS-C camera's, so for big targets like the North America Nebula or the whole of Andromeda the \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e frames more sky. You'll also need 12V power and a computer or ASIAIR to run it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI533MC Pro\u003c\/strong\u003e is a cooled one-shot-color astronomy camera built on Sony's back-illuminated 9MP IMX533 sensor. It's a natural first dedicated camera for someone moving up from a DSLR or a smart telescope, and it pairs especially well with short refractors from 250 to 500mm. ZWO describes it as the successor to the ASI183 series, keeping the high sensitivity and adding zero amp glow, larger 3.76µm pixels and two-stage TEC cooling. The body is 78mm across and weighs 470g (1.0lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX533 color sensor, 1\" square (11.31 × 11.31mm) · 9MP (3008 × 3008) · 3.76µm pixels · 14-bit ADC · read noise 1.0–3.8e⁻ · 50,000e⁻ full well · cooling to 35°C below ambient · zero amp glow · USB 3.0 with 256MB buffer · 470g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5036ccfe836278ae289fb864077c6bdb-2.jpg?v=1753219346\" alt=\"ZWO ASI533MC Pro cooled color astronomy camera with M42 front thread\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies:\u003c\/strong\u003e the Whirlpool, Pinwheel, Sunflower and Triangulum Galaxies, M81 and M82, and the Leo Triplet. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 1.3° × 1.3° at 1.6″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound nebulae:\u003c\/strong\u003e the Rosette, the Helix, the Pacman and the Bubble Nebula fit neatly in the square frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider fields:\u003c\/strong\u003e on a 250mm RedCat 51 the field grows to about 2.6° × 2.6°, enough for the Heart Nebula's core, the Pleiades or the Orion Nebula with the Running Man.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebulae from the city:\u003c\/strong\u003e with a dual-band filter such as the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band\u003c\/a\u003e, emission nebulae come through even from a light-polluted backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobular clusters and comets\u003c\/strong\u003e in natural color, in one shot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThe camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0, and runs its cooler from a 12V supply (ZWO recommends 12V 3A, 5.5 × 2.1mm plug, center positive). Set a target temperature, build a dark library once, and image. Two USB 2.0 ports on the back let you plug in a guide camera or focuser right at the scope.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the camera face. The included 21mm and 16.5mm extenders and M42-M48 adapter bring that to the standard 55mm used by most flatteners and reducers, with a thin spacer set for fine-tuning. If you add an off-axis guider, it takes the place of the 16.5mm extender, as shown below.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BackfocusCombos_c89a36cb6d419dc3d3820da6e062fe4e-3.jpg?v=1753219346\" alt=\"ASI533MC Pro adapter stack for 55mm back focus, with and without an off-axis guider\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e shoot emission nebulae from the city with a dual-band filter, and save galaxies for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig temperature swings:\u003c\/strong\u003e the cooler holds a set temperature as the night cools off, so your darks stay matched. In summer, set the target a few degrees warmer so the cooler has headroom. ZWO doesn't recommend running the camera below −20°C ambient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, mount, guiding and focuser from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asi220mm-mini-mono\"\u003e\u003cstrong\u003eASI220MM Mini\u003c\/strong\u003e\u003c\/a\u003e: a sensitive guide camera for a guide scope or the \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eZWO OAG\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003e\u003cstrong\u003eZWO IR cut filter\u003c\/strong\u003e\u003c\/a\u003e: the camera has a clear, AR-coated window, so an IR cut filter keeps star colors natural and stars tight on refractors. It threads into the included T2-1.25\" adapter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dual-band filter:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band\u003c\/a\u003e, or an \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e in a \u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m42\"\u003eZWO M42 2\" filter drawer\u003c\/a\u003e, for nebulae under light pollution.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: keeps stars sharp as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA telescope and mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eZWO FF70 + AM3N bundle\u003c\/a\u003e is a well-matched, portable setup for this camera.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI533MC Pro vs. ASI533MM Pro vs. ASI2600MC Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI533MC Pro\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi533mm-pro-mono\"\u003eASI533MM Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX533 color, 1\" square\u003c\/td\u003e\n\u003ctd\u003eIMX533 mono, 1\" square\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e11.3 × 11.3mm\u003c\/td\u003e\n\u003ctd\u003e11.3 × 11.3mm\u003c\/td\u003e\n\u003ctd\u003e23.5 × 15.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e9MP\u003c\/td\u003e\n\u003ctd\u003e9MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eFilter wheel and LRGB\/narrowband filters\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField on a 490mm scope\u003c\/td\u003e\n\u003ctd\u003e1.3° × 1.3°\u003c\/td\u003e\n\u003ctd\u003e1.3° × 1.3°\u003c\/td\u003e\n\u003ctd\u003e2.7° × 1.8°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eAn affordable first cooled camera, small refractors and smaller targets\u003c\/td\u003e\n\u003ctd\u003eNarrowband from the city and the most detail per pixel\u003c\/td\u003e\n\u003ctd\u003eThe widest field and the most resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/What_sinBox_a929d69d875a442af58f7e4385633390.jpg?v=1753219346\" alt=\"ASI533MC Pro box contents with camera bag, cables, extenders and adapters\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI533MC Pro camera and camera bag\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece and T2-1.25\" adapter\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eT2-M48 extender (16.5mm), T2 extender (21mm) and M42-M48 adapter\u003c\/li\u003e\n\u003cli\u003eFour thin spacers (0.5mm, 2 × 0.2mm, 0.1mm) and a cover\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI533MC Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI533MC Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's color, so there's no filter wheel, it has no amp glow to fight, and its small sensor is forgiving of flattener spacing and tilt. With an ASIAIR the whole workflow runs from your phone.\u003c\/p\u003e\n\u003ch3\u003eASI533MC Pro or ASI2600MC Pro?\u003c\/h3\u003e\n\u003cp\u003eChoose the ASI533MC Pro for a lower price, small refractors and smaller targets like galaxies. Choose the \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e for a field about twice as wide and nearly three times the pixels, if your telescope covers an APS-C sensor.\u003c\/p\u003e\n\u003ch3\u003eColor (MC) or mono (MM)?\u003c\/h3\u003e\n\u003cp\u003eThe MC gives color images in one shot. The \u003ca href=\"\/products\/asi533mm-pro-mono\"\u003eASI533MM Pro\u003c\/a\u003e needs a filter wheel and filters but is the better choice for narrowband imaging from light-polluted skies.\u003c\/p\u003e\n\u003ch3\u003eWhat telescope works with it?\u003c\/h3\u003e\n\u003cp\u003eAlmost any imaging telescope with a flattener or reducer set for 55mm back focus. Its 16mm diagonal is covered easily by small refractors like the \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e and the ZWO FF series.\u003c\/p\u003e\n\u003ch3\u003eWhat power and accessories do I need?\u003c\/h3\u003e\n\u003cp\u003eA 12V supply for the cooler, a computer or ASIAIR to run it, and a tracking mount. For long exposures add a guide camera, and for city nebulae a dual-band filter.\u003c\/p\u003e\n\u003ch3\u003eCan I image planets with it?\u003c\/h3\u003e\n\u003cp\u003eIt can, but a small, fast planetary camera such as the \u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e or \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e does better on planets. The ASI533MC Pro is built for long deep-sky exposures.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX533, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\", 11.31 × 11.31mm (16mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e9MP, 3008 × 3008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e1.0–3.8e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e50,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (35°C measured at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e20 fps at full resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated clear window (no IR cut)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC for cooling, 3A recommended, 5.5 × 2.1mm center positive (supply not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 front thread; 1.25\" nosepiece included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e470g (1.0lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI533MC-P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45412282401027,"sku":"ZWO-ASI533MC-P","price":719.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5036ccfe836278ae289fb864077c6bdb-2.jpg?v=1753219346"},{"product_id":"asi533mm-pro-mono","title":"ZWO ASI533MM Pro Cooled Mono Astronomy Camera","description":"\u003ch2\u003eA square-format mono camera that makes narrowband imaging affordable\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI533MM Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe easiest way into mono:\u003c\/strong\u003e the 1-inch IMX533 sensor is small enough to work with 1.25-inch filters and a compact filter wheel, so a full mono setup costs far less than it does with an APS-C or full-frame camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband from the city:\u003c\/strong\u003e with no color filter over the pixels and 91% peak QE, the camera makes the most of hydrogen-alpha, OIII and SII light, so you can image emission nebulae from a light-polluted backyard, even with the Moon up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, simple data:\u003c\/strong\u003e zero amp glow, read noise down to 1.0e⁻ and two-stage cooling to about 35°C below ambient keep calibration easy, and the square 11.3 × 11.3mm frame never needs rotating to fit a target.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e mono means a filter wheel, filters and more processing time per image. If you want color in one shot, the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e uses the same sensor. You'll also need 12V power and a computer or ASIAIR to run it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI533MM Pro\u003c\/strong\u003e is a cooled monochrome astronomy camera built on Sony's back-illuminated 9MP IMX533 sensor. It's a good first mono camera for someone who has learned the basics with a color camera and wants to try narrowband or LRGB imaging without the cost of a large sensor and 2-inch filters. ZWO describes it as the successor to the ASI183MM Pro, keeping the high sensitivity and adding zero amp glow, larger 3.76µm pixels and two-stage TEC cooling. The body is 78mm across and weighs 470g (1.0lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX533 mono sensor, 1\" square (11.31 × 11.31mm) · 9MP (3008 × 3008) · 3.76µm pixels · 91% peak QE · 14-bit ADC · read noise 1.0–3.8e⁻ · 50,000e⁻ full well · cooling to 35°C below ambient · zero amp glow · USB 3.0 · 470g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5036ccfe836278ae289fb864077c6bdb-2_ba215088-fd0a-42f8-9f1d-b82c31c9aaf9.jpg?v=1750806568\" alt=\"ZWO ASI533MM Pro cooled monochrome astronomy camera with M42 front thread\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission nebulae in narrowband:\u003c\/strong\u003e the Rosette, Eagle, Crescent, Pacman, Bubble and Soul Nebulae, and the Elephant's Trunk in IC 1396, in hydrogen-alpha, OIII and SII for false-color \"Hubble palette\" images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies in LRGB:\u003c\/strong\u003e the Whirlpool, Pinwheel, Sunflower and Triangulum Galaxies, M81 and M82, and the Leo Triplet. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 1.3° × 1.3° at 1.6″ per pixel; on the 770mm \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e it's about 0.84° × 0.84° at 1.0″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider fields:\u003c\/strong\u003e on a 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field grows to about 2.6° × 2.6°, enough for the core of the Heart Nebula, the Pleiades or the Orion Nebula with the Running Man.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary nebulae:\u003c\/strong\u003e the Ring, Dumbbell, Helix and Owl Nebulae respond especially well to hydrogen-alpha and OIII filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eA mono camera records every pixel at full sensitivity and leaves color to filters. A filter wheel in front of the camera switches between filters during the night, and software combines each filter's frames into a color image: luminance plus red, green and blue for natural color, or hydrogen-alpha, OIII and SII for narrowband. The camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and runs its cooler from 12V (ZWO recommends 12V at 3–5A, 5.5 × 2.1mm plug, center positive). Two USB 2.0 ports on the back power and control the filter wheel and a guide camera right at the scope.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the camera face, including an 11mm T2 ring. Without a filter wheel, the included 21mm and 16.5mm extenders and M42-M48 adapter bring the total to the standard 55mm used by most flatteners and reducers. With a ZWO filter wheel, you remove the 11mm ring, mount the wheel directly to the camera, and move the ring and extender to the telescope side, as shown in ZWO's connection diagram below.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/AdapterCombinations_0b9e3f2b27ca069883b3ec437b2e045e_3208a232-2529-4792-b944-14c325702616.jpg?v=1750806568\" alt=\"ZWO connection diagram for a 1-inch cooled camera with nosepiece, lenses or a 1.25-inch filter wheel\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e narrowband filters cut through city light, so you can shoot nebulae from Denver on any clear night, and save LRGB galaxies for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoonlit nights:\u003c\/strong\u003e hydrogen-alpha in particular is barely affected by the Moon, which turns nights most color imagers lose into productive ones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig temperature swings:\u003c\/strong\u003e the cooler holds a set temperature as the night cools off, so your darks stay matched. ZWO doesn't recommend running the camera below −20°C ambient.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA filter wheel (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-5-position-efw-5x1-25-2025\"\u003eZWO EFW 5x1.25\" (2025)\u003c\/a\u003e holds LRGB plus one narrowband filter, and the \u003ca href=\"\/products\/zwo-8-position-efw-8x1-25-2025\"\u003eEFW 8x1.25\" (2025)\u003c\/a\u003e holds a full LRGB and SHO set with a spare slot. Both are 20mm thick and plug into the camera's USB hub. If you might move up to a larger sensor later, the \u003ca href=\"\/products\/zwo-7-position-efw-7x36mm-2025\"\u003eEFW 7x36mm (2025)\u003c\/a\u003e also works.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO narrowband set\u003c\/a\u003e in 1.25\", and the \u003ca href=\"\/products\/zwo-lrgb-filters\"\u003eZWO LRGB set\u003c\/a\u003e in 1.25\" or the \u003ca href=\"\/products\/optolong-lrgb-sho-7nm-7-pieces\"\u003eOptolong LRGB + SHO 7nm 7-piece set\u003c\/a\u003e. The 16mm sensor diagonal is small enough that 1.25-inch filters in a wheel next to the camera don't vignette, so there's no need to pay for 2-inch filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, filter wheel, mount, guiding and focuser from your phone, including multi-filter sequences.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asi220mm-mini-mono\"\u003e\u003cstrong\u003eASI220MM Mini\u003c\/strong\u003e\u003c\/a\u003e: a sensitive guide camera for a guide scope or the \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eZWO OAG\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically after filter changes and as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA telescope and mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eZWO FF70 + AM3N bundle\u003c\/a\u003e is a well-matched, portable setup for this camera.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI533MM Pro vs. ASI533MC Pro vs. ASI2600MM Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI533MM Pro\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX533 mono, 1\" square\u003c\/td\u003e\n\u003ctd\u003eIMX533 color, 1\" square\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e11.3 × 11.3mm\u003c\/td\u003e\n\u003ctd\u003e11.3 × 11.3mm\u003c\/td\u003e\n\u003ctd\u003e23.5 × 15.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e9MP\u003c\/td\u003e\n\u003ctd\u003e9MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003e1.25\" filters and a filter wheel\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003e36mm or 2\" filters and a filter wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField on a 490mm scope\u003c\/td\u003e\n\u003ctd\u003e1.3° × 1.3°\u003c\/td\u003e\n\u003ctd\u003e1.3° × 1.3°\u003c\/td\u003e\n\u003ctd\u003e2.7° × 1.8°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eAn affordable first mono setup, narrowband from the city\u003c\/td\u003e\n\u003ctd\u003eColor in one shot, with the simplest setup\u003c\/td\u003e\n\u003ctd\u003eMono with a wider field and more resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/What_sinBox_a929d69d875a442af58f7e4385633390_c67367df-c6b3-4c9e-8646-c43e10a7633d.jpg?v=1750806568\" alt=\"ASI533MM Pro box contents with camera bag, cables, extenders and adapters\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI533MM Pro camera and camera bag\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece and T2-1.25\" adapter\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eT2-M48 extender (16.5mm), T2 extender (21mm) and M42-M48 adapter\u003c\/li\u003e\n\u003cli\u003eFour thin spacers (0.5mm, 2 × 0.2mm, 0.1mm) and a cover\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filter wheel, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI533MM Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI533MM Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's a good first mono camera, and many people buy it as their second camera after a color one. Mono adds a filter wheel, filters and more processing, but the small sensor keeps the cost of those down and is forgiving of flattener spacing and tilt. If this is your very first dedicated astro camera, the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e is simpler.\u003c\/p\u003e\n\u003ch3\u003eMono (MM) or color (MC)?\u003c\/h3\u003e\n\u003cp\u003eThe MC gives color images in one shot. The MM needs a filter wheel and filters but collects more signal per pixel, gives sharper detail and is the better choice for narrowband imaging from light-polluted skies.\u003c\/p\u003e\n\u003ch3\u003eASI533MM Pro or ASI2600MM Pro?\u003c\/h3\u003e\n\u003cp\u003eBoth have 3.76µm pixels, so detail per pixel is the same on the same telescope. The \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e covers about 2.9 times the sky area and has a 16-bit ADC, but needs 36mm or 2-inch filters and a telescope that covers APS-C. The ASI533MM Pro costs about half as much and works with 1.25-inch filters.\u003c\/p\u003e\n\u003ch3\u003eWhich filters and filter wheel do I need?\u003c\/h3\u003e\n\u003cp\u003e1.25-inch mounted filters (or 31mm unmounted) in a 1.25-inch wheel. A common set is luminance, red, green and blue plus hydrogen-alpha, OIII and SII, which fits the \u003ca href=\"\/products\/zwo-8-position-efw-8x1-25-2025\"\u003e8-position EFW\u003c\/a\u003e with a slot to spare. Many owners start with a hydrogen-alpha filter alone and add the rest over time.\u003c\/p\u003e\n\u003ch3\u003eWhat telescope works with it?\u003c\/h3\u003e\n\u003cp\u003eAlmost any imaging telescope with a flattener or reducer set for 55mm back focus. Its 16mm diagonal is covered easily by small refractors like the \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e and the ZWO FF series.\u003c\/p\u003e\n\u003ch3\u003eCan I image planets with it?\u003c\/h3\u003e\n\u003cp\u003eIt can, but a small, fast planetary camera does better on planets. The ASI533MM Pro is built for long deep-sky exposures.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX533, back-illuminated, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\", 11.31 × 11.31mm (16mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e9MP, 3008 × 3008\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e1.0–3.8e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e50,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (35°C measured at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e20 fps at full resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated clear window\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC for cooling, 3–5A recommended, 5.5 × 2.1mm center positive (supply not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm (6.5mm without the 11mm T2 ring); 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 front thread; 1.25\" nosepiece included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e470g (1.0lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI533MM-P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45418126737667,"sku":"ZWO-ASI533MM-P","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5036ccfe836278ae289fb864077c6bdb-2_ba215088-fd0a-42f8-9f1d-b82c31c9aaf9.jpg?v=1750806568"},{"product_id":"asi676-color","title":"ZWO ASI676MC Color All-Sky and Planetary Camera","description":"\u003ch2\u003eA square 12MP sensor for meteors, the whole sky and the full Moon\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI676MC:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA square sensor:\u003c\/strong\u003e the 7.1 × 7.1mm IMX676 fits the round image from a fisheye lens with little waste, so it makes a tidy all-sky or meteor camera. Square frames also make lunar and solar mosaics simpler to plan.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLots of pixels, very little noise:\u003c\/strong\u003e 3552 × 3552 (12.6MP) with 2µm pixels, read noise down to 0.56e⁻ and zero amp glow, so long all-sky exposures stay clean.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural color out of the box:\u003c\/strong\u003e a UV\/IR-cut coated window is built in, so you don't need a separate IR cut filter for color work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the 2µm pixels and 10.55ke⁻ full well suit bright targets and wide fields. For a bigger field on planets and the Moon, the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e's larger sensor is the better pick. ZWO rates it for -5°C to 50°C, so plan for cold Colorado nights (see below).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI676MC\u003c\/strong\u003e is a color astronomy camera built around Sony's square IMX676 STARVIS 2 sensor. ZWO designed it first as an all-sky camera for recording meteors and monitoring the whole sky, and its 12.6 megapixels also give finely detailed images of the Moon and Sun through a telescope. It slides into a 1.25-inch focuser with the included nosepiece, threads onto M42 adapters, runs from a single USB cable and weighs 126g (4.4oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX676 STARVIS 2 color sensor, 1\/1.6\" square (7.1 × 7.1mm) · 12.6MP (3552 × 3552) · 2µm pixels · read noise 0.56e⁻ at high gain · 10.55ke⁻ full well · 83% peak QE · 31.2 fps at full resolution · UV\/IR-cut window · zero amp glow · USB 3.0 with 256MB buffer · 126g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_f99687dd719c4e8bc6a39e946c3d9ef7.jpg?v=1716311503\" alt=\"ZWO ASI676MC square-sensor color camera, red 62mm body with USB 3.0 and ST4 ports\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can capture\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeteors and the whole sky:\u003c\/strong\u003e with a fisheye lens it records the entire sky in one frame, for meteor showers such as the Perseids and Geminids, fireballs, satellite passes and cloud monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe full Moon and Sun:\u003c\/strong\u003e on an 80mm f\/6 refractor (480mm) the field is about 0.85° × 0.85°, so the whole Moon or Sun fits with room around it, at 0.86 arc-seconds per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLunar close-ups:\u003c\/strong\u003e on an 8-inch SCT (2032mm) the field is about 12′ × 12′ at 0.2 arc-seconds per pixel, plenty for craters like Copernicus or Plato in fine detail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanets:\u003c\/strong\u003e Jupiter, Saturn and Mars work well at around f\/8 to f\/10. Crop to a small region of interest and the frame rate climbs to about 95 fps at 1920 × 1080 and 210 fps at 640 × 480.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright deep-sky objects:\u003c\/strong\u003e live-stacked views of the Orion Nebula, M13 and other bright targets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eConnect the camera to a laptop or mini PC with the included 2m USB 3.0 cable. It's powered by USB (ZWO quotes 1.36W maximum), so there's no separate power supply. Capture with free software such as SharpCap, FireCapture or ZWO's ASIStudio, then stack the sharpest video frames in AutoStakkert!. Exposures run from 32 microseconds to 2000 seconds.\u003c\/p\u003e\n\u003cp\u003eFor all-sky use, fit a fisheye lens to the front with an adapter and mount the camera by the 1\/4\"-20 tripod hole on the back, pointing straight up. For telescope use, thread on the 1.25\" nosepiece. The sensor sits 12.5mm behind the front of the camera, and the ST4 port lets it double as a guide camera.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/f273d8afc0ffa5fdb2cc749be553f505.jpg?v=1717044222\" alt=\"ASI676MC dimension drawing: 62mm body, M42 x 0.75 front thread and 12.5mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cp\u003eAn all-sky camera spends the whole night outside, and ZWO lists a working range of -5°C to 50°C (23°F to 122°F). Front Range winter nights, including Geminid season in December, regularly drop below that, so for year-round all-sky use plan on a weatherproof housing with a small dew heater to keep the camera and lens dome above freezing and dew-free.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA fisheye or wide-angle lens:\u003c\/strong\u003e for all-sky and meteor work. The square sensor pairs well with a fisheye that projects a full circle of sky. Ask us about lens and adapter options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Barlow or Powermate\u003c\/strong\u003e for planets on a short telescope: the \u003ca href=\"\/products\/celestron-2x-1-25-x-cel-lx-barlow-lens\"\u003eCelestron 2x X-Cel LX Barlow\u003c\/a\u003e takes an f\/5 Newtonian to about f\/10, a good match for 2µm pixels.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-atmospheric-dispersion-corrector\"\u003e\u003cstrong\u003eZWO Atmospheric Dispersion Corrector\u003c\/strong\u003e\u003c\/a\u003e: removes the color fringing on planets low in the sky.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA solar filter (required for the Sun):\u003c\/strong\u003e a full-aperture white-light filter such as the \u003ca href=\"\/products\/celestron-eclipsmart-solar-filter-8-sct-edgehd\"\u003eEclipSmart filter for 8\" SCTs\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI676MC vs. ASI585MC vs. ASI678MC vs. ASI664MC\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI676MC\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi678-color\"\u003eASI678MC\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi664mc-color\"\u003eASI664MC\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX676, 1\/1.6\" square\u003c\/td\u003e\n\u003ctd\u003eIMX585, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX678, 1\/1.8\"\u003c\/td\u003e\n\u003ctd\u003eIMX664, 1\/1.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e7.1 × 7.1mm\u003c\/td\u003e\n\u003ctd\u003e11.2 × 6.3mm\u003c\/td\u003e\n\u003ctd\u003e7.7 × 4.3mm\u003c\/td\u003e\n\u003ctd\u003e7.8 × 4.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e3552 × 3552 (12.6MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e2704 × 1536 (4.2MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e10.55ke⁻\u003c\/td\u003e\n\u003ctd\u003e40ke⁻\u003c\/td\u003e\n\u003ctd\u003e11.27ke⁻\u003c\/td\u003e\n\u003ctd\u003e36.5ke⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e31.2 fps\u003c\/td\u003e\n\u003ctd\u003e46.9 fps\u003c\/td\u003e\n\u003ctd\u003e47.5 fps\u003c\/td\u003e\n\u003ctd\u003e95 fps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eAll-sky and meteor work, square lunar and solar mosaics\u003c\/td\u003e\n\u003ctd\u003eThe Moon, Sun and planets with the widest field\u003c\/td\u003e\n\u003ctd\u003ePlanets on SCTs at f\/8 to f\/10, near-IR\u003c\/td\u003e\n\u003ctd\u003eFast planetary video with low noise\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-planetary-all-sky-cameras\"\u003eZWO planetary and all-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/What_sinbox_ab1c0df614f5981efbc9e6fcc67ca981.jpg?v=1716311503\" alt=\"ASI676MC box contents: camera, cover, quick guide, red USB 3.0 cable, ST4 cable and 1.25 inch nosepiece\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI676MC camera\u003c\/li\u003e\n\u003cli\u003eFront cover\u003c\/li\u003e\n\u003cli\u003eSmall wide-angle lens (threads onto the camera front)\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m)\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFisheye lenses, Barlows, solar filters and the telescope are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI676MC FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI676MC good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's powered by USB, fits any 1.25\" focuser and is color, so there's no filter wheel to manage. The Moon is the easiest first target, and the full Moon fits in one frame on most small refractors.\u003c\/p\u003e\n\u003ch3\u003eWhy a square sensor?\u003c\/h3\u003e\n\u003cp\u003eA fisheye lens projects a circle, and a square sensor captures that circle with less wasted area than a wide rectangle. Square frames also make lunar and solar mosaics easier to plan, since you don't have to think about which way the long side points.\u003c\/p\u003e\n\u003ch3\u003eASI676MC or ASI585MC for the Moon and planets?\u003c\/h3\u003e\n\u003cp\u003eFor planets and big lunar fields, the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e is the stronger choice: its sensor is larger and its full well is about four times deeper. The ASI676MC wins when you want a square frame, all-sky use, or its finer 2µm pixels at shorter focal ratios.\u003c\/p\u003e\n\u003ch3\u003eDo I need an IR cut filter?\u003c\/h3\u003e\n\u003cp\u003eNo. The ASI676MC has a UV\/IR-cut coated window (21mm × 1.1mm) in front of the sensor, so colors come out natural without adding a filter.\u003c\/p\u003e\n\u003ch3\u003eCan I leave it outside as an all-sky camera?\u003c\/h3\u003e\n\u003cp\u003eNot on its own. The camera isn't weatherproof, and ZWO rates it down to -5°C (23°F). Put it in a weatherproof housing with a clear dome and a heater for permanent outdoor use.\u003c\/p\u003e\n\u003ch3\u003eDoes it work as a guide camera?\u003c\/h3\u003e\n\u003cp\u003eYes. It has an ST4 port, and it also guides over USB with PHD2 or ASIAIR, though most people keep a dedicated guide camera for that job.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX676 STARVIS 2, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.6\", 7.1 × 7.1mm (10.04mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12.6MP, 3552 × 3552\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter\u003c\/td\u003e\n\u003ctd\u003eRolling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.56–2.9e⁻ (HCG mode from gain 180)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e10,550e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 83%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e31.2 fps at 3552 × 3552 (RAW8); 99.7 fps at 1920 × 1080; 210 fps at 640 × 480\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNone (uncooled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eST4 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eUV\/IR-cut coated, 21mm × 1.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and power\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 (Type-B) with 256MB DDR3 buffer; 1.36W max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e1.25\" nosepiece; M42 × 0.75 front thread; 1\/4\"-20 tripod hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e12.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e62mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e126g (4.4oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI676MC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45434897629443,"sku":"ZWO-ASI676MC","price":359.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_f99687dd719c4e8bc6a39e946c3d9ef7.jpg?v=1716311503"},{"product_id":"asi678-color","title":"ZWO ASI678MC Color Planetary Camera","description":"\u003ch2\u003eFine 2µm pixels for sharp planets at f\/8 to f\/10\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI678MC:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for SCTs at native focal length:\u003c\/strong\u003e the 2µm pixels are fully sampled at about f\/8 to f\/10, so an 8-inch SCT needs no Barlow for Jupiter, Saturn and Mars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4K video with low noise:\u003c\/strong\u003e 3840 × 2160 at up to 47.5 frames per second, read noise down to 0.6e⁻ and zero amp glow, on Sony's STARVIS 2 IMX678.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong near-infrared response:\u003c\/strong\u003e pair it with an IR-pass filter to steady planets in poor seeing, or an IR cut filter for natural color.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e ZWO's manual lists a clear AR-coated window, so add an \u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003eIR cut filter\u003c\/a\u003e for true color. For the widest lunar and solar fields, the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e's larger sensor fits more in each frame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI678MC\u003c\/strong\u003e is a color planetary camera built on Sony's 8.3-megapixel IMX678 STARVIS 2 sensor. It records fast video that stacking software turns into sharp images of Jupiter, Saturn, Mars, the Moon and the Sun. It replaces the ASI178MC with smaller 2µm pixels, more resolution, lower read noise and no amp glow. It slides into any 1.25-inch focuser with the included nosepiece, threads onto M42 adapters, runs from one USB cable and weighs 126g (4.4oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX678 STARVIS 2 color sensor, 1\/1.8\" (7.7 × 4.3mm) · 8.3MP (3840 × 2160) · 2µm pixels · read noise 0.6e⁻ at high gain · 11.27ke⁻ full well · 83% peak QE · 47.5 fps at full resolution · zero amp glow · USB 3.0 with 256MB buffer · 126g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_9000e99d2b8b67860814900bbbdd0b37-1.jpg?v=1734129892\" alt=\"ZWO ASI678MC color planetary camera in red, three-quarter view with USB 3.0 and ST4 ports\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can capture\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanets:\u003c\/strong\u003e Jupiter's belts, festoons and Great Red Spot, Saturn's rings and Cassini Division, and surface markings on Mars near opposition. On an 8-inch SCT (2032mm) the field is about 13′ × 7.3′ at 0.2 arc-seconds per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon:\u003c\/strong\u003e crater fields and rilles in high resolution. On a 400mm refractor the field is about 1.1° × 0.62°, enough for the whole Moon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Sun:\u003c\/strong\u003e sunspots and granulation with a white-light solar filter, or prominences through a hydrogen-alpha solar telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNear-infrared views:\u003c\/strong\u003e with an 850nm IR-pass filter, Jupiter and Saturn steady up noticeably in turbulent air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright deep-sky objects:\u003c\/strong\u003e live-stacked views of the Orion Nebula, the Ring Nebula and globular clusters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003ePlug the camera into a laptop's USB 3.0 port with the included 2m cable, put it in your focuser with the 1.25\" nosepiece, and record short video clips in free software such as FireCapture, SharpCap or ZWO's ASIStudio. AutoStakkert! then keeps the sharpest frames and stacks them. No separate power supply is needed.\u003c\/p\u003e\n\u003cp\u003eWith 2µm pixels, aim for a focal ratio of about f\/8 to f\/10 in visible light. That's an 8-inch SCT at its native f\/10, or an f\/5 Newtonian with a 2x Barlow. The camera has High Conversion Gain (HCG) mode, which switches on automatically at gain 182 and keeps read noise low while holding close to 11 stops of dynamic range. The sensor sits 12.5mm behind the front of the camera, and the ST4 port lets it double as a guide camera.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003e\u003cstrong\u003eZWO IR cut filter (1.25\")\u003c\/strong\u003e\u003c\/a\u003e: the window passes near-infrared, so add an IR cut filter for natural color and sharper focus, especially on refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Barlow\u003c\/strong\u003e for shorter telescopes: the \u003ca href=\"\/products\/celestron-2x-1-25-x-cel-lx-barlow-lens\"\u003eCelestron 2x X-Cel LX Barlow\u003c\/a\u003e takes an f\/5 Newtonian or refractor to about f\/10. An SCT at f\/10 doesn't need one.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-atmospheric-dispersion-corrector\"\u003e\u003cstrong\u003eZWO Atmospheric Dispersion Corrector\u003c\/strong\u003e\u003c\/a\u003e: removes the color fringing on planets low in the sky.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA solar filter (required for the Sun):\u003c\/strong\u003e a full-aperture white-light filter such as the \u003ca href=\"\/products\/celestron-eclipsmart-solar-filter-8-sct-edgehd\"\u003eEclipSmart filter for 8\" SCTs\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA tracking mount:\u003c\/strong\u003e any GoTo mount that keeps the planet centered while you record.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI678MC vs. ASI678MM vs. ASI585MC vs. ASI715MC\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI678MC\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi678mm-mono\"\u003eASI678MM\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX678, 1\/1.8\", color\u003c\/td\u003e\n\u003ctd\u003eIMX678, 1\/1.8\", mono\u003c\/td\u003e\n\u003ctd\u003eIMX585, 1\/1.2\", color\u003c\/td\u003e\n\u003ctd\u003eIMX715, 1\/2.8\", color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3864 × 2192 (8.5MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003ctd\u003e1.45µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdeal focal ratio (visible)\u003c\/td\u003e\n\u003ctd\u003eAbout f\/8 to f\/10\u003c\/td\u003e\n\u003ctd\u003eAbout f\/8 to f\/10\u003c\/td\u003e\n\u003ctd\u003eAbout f\/12 to f\/15\u003c\/td\u003e\n\u003ctd\u003eAbout f\/6 to f\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e11.27ke⁻\u003c\/td\u003e\n\u003ctd\u003e11.27ke⁻\u003c\/td\u003e\n\u003ctd\u003e40ke⁻\u003c\/td\u003e\n\u003ctd\u003e6.03ke⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eColor planets on an SCT with no Barlow\u003c\/td\u003e\n\u003ctd\u003eIR and filtered planetary, solar Ha\u003c\/td\u003e\n\u003ctd\u003eMoon, Sun and planets with the widest field\u003c\/td\u003e\n\u003ctd\u003ePlanets on small, short telescopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-planetary-all-sky-cameras\"\u003eZWO planetary and all-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/What_sinBox_008c5a0ca6db131fcf852d9b88dfe949.jpg?v=1734129892\" alt=\"ASI678MC box contents: camera body, cover, ST4 cable, 1.25 inch nosepiece, quick guide and USB 3.0 cable\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI678MC camera\u003c\/li\u003e\n\u003cli\u003eFront cover\u003c\/li\u003e\n\u003cli\u003eSmall wide-angle lens (threads onto the camera front)\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m)\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilters, Barlows and the telescope are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI678MC FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI678MC good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's powered by USB, fits any 1.25\" focuser and is color, so there's no filter wheel. Start with the Moon, then move to Jupiter and Saturn.\u003c\/p\u003e\n\u003ch3\u003eWhich camera is best for Jupiter and Saturn on my telescope?\u003c\/h3\u003e\n\u003cp\u003eMatch the pixel size to your focal ratio. On an 8-inch SCT at f\/10, the ASI678MC is a natural fit with no Barlow. With a 2.9µm camera like the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e you'd want about f\/12 to f\/15. On a short refractor without a Barlow, the \u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e's 1.45µm pixels give a larger planet image.\u003c\/p\u003e\n\u003ch3\u003eASI678MC or ASI678MM?\u003c\/h3\u003e\n\u003cp\u003eSame sensor. The color MC captures a full-color image in one video, which is simpler. The \u003ca href=\"\/products\/asi678mm-mono\"\u003eASI678MM\u003c\/a\u003e needs filters for color but is the better choice for IR-pass and methane-band imaging and for hydrogen-alpha solar work.\u003c\/p\u003e\n\u003ch3\u003eASI678MC or ASI585MC?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e has a much larger sensor and deeper full well, so it's the better all-rounder for the Moon and Sun. The ASI678MC's smaller pixels reach full resolution at f\/8 to f\/10 with less magnification, which suits SCTs at their native focal length.\u003c\/p\u003e\n\u003ch3\u003eCan I image the Sun with it?\u003c\/h3\u003e\n\u003cp\u003eYes, but only with proper solar filtering on the telescope: a full-aperture white-light filter or a dedicated hydrogen-alpha solar telescope. Never point a telescope at the Sun without one.\u003c\/p\u003e\n\u003ch3\u003eDoes it work as a guide camera?\u003c\/h3\u003e\n\u003cp\u003eYes. It has an ST4 port and guides over USB with PHD2, though most people use a dedicated guide camera so this one stays free for imaging.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX678 STARVIS 2, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.8\", 7.7 × 4.3mm (8.86mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.6–3.5e⁻ (HCG mode from gain 182)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e11,270e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 83%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e47.5 fps at 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNone (uncooled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eST4 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated, 21mm × 1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and power\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e1.25\" nosepiece; M42 × 0.75 front thread; 1\/4\"-20 tripod hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e12.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e62mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e126g (4.4oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI678MC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45434963067139,"sku":"ZWO-ASI678MC","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_9000e99d2b8b67860814900bbbdd0b37-1.jpg?v=1734129892"},{"product_id":"asi678mm-mono","title":"ZWO ASI678MM Mono Planetary Camera","description":"\u003ch2\u003eA mono 4K planetary camera that shines in the near-infrared\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI678MM:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for infrared and filtered work:\u003c\/strong\u003e with no Bayer filter, every pixel records light, and the STARVIS 2 sensor has strong near-IR response for IR-pass and methane-band images of Jupiter and Saturn.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine 2µm pixels:\u003c\/strong\u003e fully sampled at about f\/8 to f\/10, so an 8-inch SCT works at its native focal length with no Barlow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast, clean video:\u003c\/strong\u003e 3840 × 2160 at up to 47.5 frames per second, read noise down to 0.6e⁻ and zero amp glow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e mono means color planets take separate red, green and blue videos through a filter wheel. If you want color in one shot, the \u003ca href=\"\/products\/asi678-color\"\u003eASI678MC\u003c\/a\u003e uses the same sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI678MM\u003c\/strong\u003e is a monochrome planetary camera built on Sony's 8.3-megapixel IMX678 STARVIS 2 sensor. It's the camera to choose for detailed lunar work, hydrogen-alpha solar imaging, and infrared or filtered images of the planets, where a mono sensor gives sharper detail than a color one. It replaces the ASI178MM with smaller pixels, more resolution, lower read noise and no amp glow. It slides into any 1.25-inch focuser with the included nosepiece, threads onto M42 adapters and filter wheels, runs from one USB cable and weighs 126g (4.4oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX678 STARVIS 2 mono sensor, 1\/1.8\" (7.7 × 4.3mm) · 8.3MP (3840 × 2160) · 2µm pixels · read noise 0.6e⁻ at high gain · 11.27ke⁻ full well · 83% peak QE · 47.5 fps at full resolution · zero amp glow · USB 3.0 with 256MB buffer · 126g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_9000e99d2b8b67860814900bbbdd0b37-1_cab3c45c-bb3a-4ed3-b70b-045eedf2109e.jpg?v=1716329398\" alt=\"ZWO ASI678MM monochrome planetary camera, red body with USB 3.0 port, three-quarter view\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can capture\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJupiter and Saturn in infrared:\u003c\/strong\u003e with an 850nm IR-pass filter the image steadies in turbulent air, and an 889nm methane-band filter shows high clouds and the Great Red Spot in a different light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor planets:\u003c\/strong\u003e red, green and blue videos through a filter wheel, combined for the sharpest color results.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon:\u003c\/strong\u003e high-resolution crater and rille detail. On a 400mm refractor the field is about 1.1° × 0.62°, enough for the whole Moon; on an 8-inch SCT (2032mm) it's about 13′ × 7.3′ at 0.2 arc-seconds per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Sun in hydrogen-alpha:\u003c\/strong\u003e prominences, filaments and surface texture through an H-alpha solar telescope, where mono sensors record every pixel of the deep-red light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright deep-sky objects:\u003c\/strong\u003e live-stacked views of bright nebulae and clusters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003ePlug the camera into a laptop's USB 3.0 port with the included 2m cable, put it in your focuser with the 1.25\" nosepiece, and record short video clips in free software such as FireCapture, SharpCap or ZWO's ASIStudio. AutoStakkert! keeps the sharpest frames and stacks them. No separate power supply is needed.\u003c\/p\u003e\n\u003cp\u003eWith 2µm pixels, aim for about f\/8 to f\/10 in visible light. In the infrared you can work a little lower, because longer wavelengths spread the image more. High Conversion Gain (HCG) mode switches on automatically at gain 182 and keeps read noise low at high gain. The sensor sits 12.5mm behind the front of the camera, and the ST4 port lets it double as a guide camera.\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cp\u003eSteady air is often what limits planetary detail along the Front Range, especially when the jet stream is overhead. Infrared light is less disturbed by turbulence, so an IR-pass filter on the ASI678MM can rescue nights when color images look soft.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-5-position-efw-5x1-25-2025\"\u003e\u003cstrong\u003eZWO 5-position filter wheel (1.25\")\u003c\/strong\u003e\u003c\/a\u003e: holds LRGB and IR filters so you can switch without touching focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-lrgb-filters\"\u003e\u003cstrong\u003eZWO LRGB filters (1.25\")\u003c\/strong\u003e\u003c\/a\u003e: for color planets and the Moon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAn IR-pass or methane-band filter:\u003c\/strong\u003e 850nm IR-pass for steadier planets, 889nm methane for Jupiter and Saturn. Ask us about current options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Barlow\u003c\/strong\u003e for shorter telescopes: the \u003ca href=\"\/products\/celestron-2x-1-25-x-cel-lx-barlow-lens\"\u003eCelestron 2x X-Cel LX Barlow\u003c\/a\u003e takes an f\/5 Newtonian or refractor to about f\/10.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA solar filter (required for the Sun):\u003c\/strong\u003e a full-aperture white-light filter such as the \u003ca href=\"\/products\/celestron-eclipsmart-solar-filter-8-sct-edgehd\"\u003eEclipSmart filter for 8\" SCTs\u003c\/a\u003e, or a dedicated H-alpha solar telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI678MM vs. ASI678MC vs. ASI585MC\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI678MM\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi678-color\"\u003eASI678MC\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX678, 1\/1.8\", mono\u003c\/td\u003e\n\u003ctd\u003eIMX678, 1\/1.8\", color\u003c\/td\u003e\n\u003ctd\u003eIMX585, 1\/1.2\", color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eThrough filters\u003c\/td\u003e\n\u003ctd\u003eOne shot\u003c\/td\u003e\n\u003ctd\u003eOne shot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e11.27ke⁻\u003c\/td\u003e\n\u003ctd\u003e11.27ke⁻\u003c\/td\u003e\n\u003ctd\u003e40ke⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eIR and methane planets, H-alpha Sun, lunar detail\u003c\/td\u003e\n\u003ctd\u003eColor planets on an SCT with no Barlow\u003c\/td\u003e\n\u003ctd\u003eMoon, Sun and planets with the widest field\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-planetary-all-sky-cameras\"\u003eZWO planetary and all-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/What_sinBox_008c5a0ca6db131fcf852d9b88dfe949_1d68330f-85e0-45aa-ab6c-740674e3fd60.jpg?v=1716329398\" alt=\"ASI678MM box contents: camera body, cover, ST4 cable, 1.25 inch nosepiece, quick guide and red USB 3.0 cable\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI678MM camera\u003c\/li\u003e\n\u003cli\u003eFront cover\u003c\/li\u003e\n\u003cli\u003eSmall wide-angle lens (threads onto the camera front)\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m)\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilters, filter wheel, Barlows and the telescope are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI678MM FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI678MM good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's easy to run, since it's USB-powered and fits a 1.25\" focuser. But mono planetary imaging adds a filter wheel and color processing, so most beginners start with the color \u003ca href=\"\/products\/asi678-color\"\u003eASI678MC\u003c\/a\u003e. The ASI678MM is a great first camera for the Moon and the Sun in H-alpha, where you only need one channel.\u003c\/p\u003e\n\u003ch3\u003eASI678MM or ASI678MC?\u003c\/h3\u003e\n\u003cp\u003eSame sensor and pixels. The MC gives color in one video. The MM is sharper per channel, has no Bayer filter in the way of near-infrared light, and is the right choice for IR-pass, methane-band and H-alpha solar work.\u003c\/p\u003e\n\u003ch3\u003eWhich filters do I need?\u003c\/h3\u003e\n\u003cp\u003eFor color planets, a set of LRGB filters in a filter wheel. For better results in poor seeing, add an 850nm IR-pass filter. Methane-band filters (889nm) are for advanced Jupiter and Saturn work.\u003c\/p\u003e\n\u003ch3\u003eCan I image the Sun with it?\u003c\/h3\u003e\n\u003cp\u003eYes, but only with proper solar filtering on the telescope: a full-aperture white-light filter or a dedicated hydrogen-alpha solar telescope. Never point a telescope at the Sun without one.\u003c\/p\u003e\n\u003ch3\u003eDoes it work as a guide camera?\u003c\/h3\u003e\n\u003cp\u003eYes. It has an ST4 port and guides over USB with PHD2, though most people use a dedicated guide camera.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX678 STARVIS 2, back-illuminated, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.8\", 7.7 × 4.3mm (8.86mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.6–3.5e⁻ (HCG mode from gain 182)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e11,270e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 83%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e47.5 fps at 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNone (uncooled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eST4 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated, 21mm × 1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and power\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e1.25\" nosepiece; M42 × 0.75 front thread; 1\/4\"-20 tripod hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e12.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e62mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e126g (4.4oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI678MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45435844854019,"sku":"ZWO-ASI678MM","price":349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_9000e99d2b8b67860814900bbbdd0b37-1_cab3c45c-bb3a-4ed3-b70b-045eedf2109e.jpg?v=1716329398"},{"product_id":"zwo-asi715mc-color-planetary-camera","title":"ZWO ASI715MC Color Planetary Camera – 8.46MP IMX715, 1.45µm Pixels, USB 3.0","description":"\u003cp\u003eThe ZWO ASI715MC is a compact, affordable color astronomy camera for high-resolution planetary and lunar imaging. Its Sony IMX715 Starvis sensor pairs tiny 1.45µm pixels with just 0.72e read noise, so it records fine detail on Jupiter, Saturn, Mars and the Moon at shorter focal lengths than cameras with larger pixels. It is also a capable camera for lucky imaging of small deep-sky targets and for autoguiding.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e8.46 megapixel Sony IMX715 sensor\u003c\/strong\u003e (1\/2.8\", 5.6 × 3.2mm, 3864 × 2192) for detailed lunar and planetary frames\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.45µm pixels\u003c\/strong\u003e resolve fine detail without long Barlow chains, often at your telescope's native focal ratio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.72e read noise and 80% peak QE\u003c\/strong\u003e for clean, bright frames at the short exposures planetary imaging needs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 45 frames per second\u003c\/strong\u003e at full resolution, faster with a smaller region of interest, to freeze atmospheric seeing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/strong\u003e for stable, dropped-frame-free video capture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eST4 guide port\u003c\/strong\u003e so it can double as an autoguiding camera\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25\" nosepiece included\u003c\/strong\u003e: fits any telescope focuser or diagonal that accepts 1.25\" eyepieces\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat It's Best For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanets:\u003c\/strong\u003e Jupiter's cloud belts and Great Red Spot, Saturn's rings, Mars surface features\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon:\u003c\/strong\u003e high-resolution close-ups of craters and mountain ranges, or mosaics of the whole disk\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall deep-sky objects:\u003c\/strong\u003e lucky imaging of planetary nebulae, globular clusters and bright galaxy cores\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutoguiding:\u003c\/strong\u003e a sensitive, small-pixel guide camera for a guide scope or off-axis guider\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor\u003c\/th\u003e\n\u003ctd\u003eSony IMX715 color CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSensor size\u003c\/th\u003e\n\u003ctd\u003e1\/2.8\" (5.6 × 3.2mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eResolution\u003c\/th\u003e\n\u003ctd\u003e3864 × 2192 (8.46MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePixel size\u003c\/th\u003e\n\u003ctd\u003e1.45µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eADC\u003c\/th\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRead noise\u003c\/th\u003e\n\u003ctd\u003e0.72e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFull well\u003c\/th\u003e\n\u003ctd\u003e6.03ke\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePeak QE\u003c\/th\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMax frame rate (full resolution)\u003c\/th\u003e\n\u003ctd\u003e45.1 fps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003ctd\u003eUSB 3.0, 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGuide port\u003c\/th\u003e\n\u003ctd\u003eST4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCooling\u003c\/th\u003e\n\u003ctd\u003eUncooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eIn the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO ASI715MC color camera\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m)\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eLens cover\u003c\/li\u003e\n\u003cli\u003eQuick start guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat telescope works best with the ASI715MC?\u003c\/h3\u003e\n\u003cp\u003eFor planets, a good rule of thumb is a focal ratio of about five times the pixel size, which is roughly f\/7 for this camera. That means Schmidt-Cassegrain telescopes at their native f\/10 and Maksutov-Cassegrains work well with little or no Barlow, and faster refractors and Newtonians reach the right image scale with a 2x Barlow.\u003c\/p\u003e\n\u003ch3\u003eHow is the ASI715MC different from the ASI662MC and ASI678MC?\u003c\/h3\u003e\n\u003cp\u003eAll three are uncooled color planetary cameras. The ASI715MC has the smallest pixels (1.45µm) and the highest resolution on a 1\/2.8\" sensor, so it resolves detail at shorter focal lengths. The \u003ca href=\"\/products\/asi662mc-color\"\u003eASI662MC\u003c\/a\u003e has larger 2.9µm pixels and a 2MP sensor, which suits longer focal lengths and very fast frame rates. The \u003ca href=\"\/products\/asi678-color\"\u003eASI678MC\u003c\/a\u003e has 2µm pixels on a larger 1\/1.8\" sensor for a wider field, useful for lunar and solar-disk imaging.\u003c\/p\u003e\n\u003ch3\u003eCan I use the ASI715MC for deep-sky imaging?\u003c\/h3\u003e\n\u003cp\u003eIt works well for lucky imaging of small, bright deep-sky objects using many short exposures. For long-exposure deep-sky imaging of nebulae and galaxies, a cooled camera with a larger sensor, such as the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e or \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e, is a better choice.\u003c\/p\u003e\n\u003ch3\u003eCan I use it as a guide camera?\u003c\/h3\u003e\n\u003cp\u003eYes. It has an ST4 port and works with ASIAIR and PHD2. Its small pixels give fine guiding resolution on a short guide scope.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with the ASIAIR and my computer?\u003c\/h3\u003e\n\u003cp\u003eYes. It is supported by the ZWO ASIAIR, and by capture software such as ASICap, SharpCap and FireCapture.\u003c\/p\u003e\n\u003ch3\u003eWhat software do I need to process planetary video?\u003c\/h3\u003e\n\u003cp\u003eCapture short videos, then stack the sharpest frames in free software such as AutoStakkert! and sharpen the result in RegiStax or a similar program.\u003c\/p\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45435917795587,"sku":"ZWO-ASI715MC","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-asi715mc-color-planetary-camera.jpg?v=1790804740"},{"product_id":"asi585mc-color","title":"ZWO ASI585MC Color Planetary, Lunar \u0026 Solar Camera (IMX585)","description":"\u003ch2\u003eA big-sensor color camera for the Moon, Sun and planets\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI585MC:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA large planetary sensor:\u003c\/strong\u003e the 1\/1.2\" IMX585 is about 4 times the area of the sensors in most planetary cameras, so the whole Moon or Sun fits in one frame on a small refractor, and lunar mosaics need far fewer panels on an SCT.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, fast video:\u003c\/strong\u003e STARVIS 2 technology, read noise down to 0.8e⁻ and 46.9 frames per second at full 3840 × 2160 resolution, with zero amp glow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore than planets:\u003c\/strong\u003e it also works as an all-sky or meteor camera, and for live-stacked views of bright nebulae and clusters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e it's uncooled, so for long deep-sky exposures the cooled \u003ca href=\"\/products\/asi585mc-pro-color\"\u003eASI585MC Pro\u003c\/a\u003e or an APS-C camera does better. For small planets on a short telescope, the \u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e's smaller pixels can help.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI585MC\u003c\/strong\u003e is a color (one-shot-color) astronomy camera built on Sony's 8.3-megapixel IMX585 sensor. It records high-speed video that software stacks into sharp images of the Moon, Sun, Jupiter, Saturn and Mars, and its large sensor makes it a favorite for lunar and solar work. It replaces the ASI485MC with the same 2.9µm pixels, about three times the full well and no amp glow. It slides into any 1.25-inch focuser or threads onto M42 adapters, and weighs just 126g (4.4oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX585 STARVIS 2 color sensor, 1\/1.2\" (11.1 × 6.3mm) · 8.3MP (3840 × 2160) · 2.9µm pixels · read noise 0.8e⁻ at high gain · 40ke⁻ full well · 91% peak QE · 46.9 fps at full resolution (12-bit) · zero amp glow · USB 3.0 with 256MB buffer · 126g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/585MCuncooled_c5cf36a57e4f3e67296671451d7f8f65-1.jpg?v=1742485217\" alt=\"ZWO ASI585MC color planetary camera with USB 3.0 and ST4 ports\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can capture\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon:\u003c\/strong\u003e craters, rilles and mountain ranges. On an 80mm f\/6 refractor the field is about 1.3° × 0.75°, enough for the whole Moon in one frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Sun:\u003c\/strong\u003e sunspots and granulation with a white-light solar filter, or prominences and surface detail through a hydrogen-alpha solar telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanets:\u003c\/strong\u003e Jupiter's cloud belts and Great Red Spot, Saturn's rings and Cassini Division, and Mars near opposition. On an 8-inch SCT the field is about 19′ × 11′, so planets are easy to keep in frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright deep-sky objects:\u003c\/strong\u003e live-stacked views of the Orion Nebula, the Ring Nebula and globular clusters like M13.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe whole sky:\u003c\/strong\u003e with a wide-angle lens it works as an all-sky camera for meteors and cloud monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003ePlug the camera into a laptop's USB 3.0 port, put it in your focuser with the included 1.25\" nosepiece, and record short video clips with free software such as FireCapture or SharpCap (or ZWO's ASIStudio). Stacking software like AutoStakkert! keeps the sharpest frames and combines them. No separate power supply is needed.\u003c\/p\u003e\n\u003cp\u003eFor planets, aim for a focal ratio of about f\/12 to f\/15 with these 2.9µm pixels. That's an 8-inch SCT at its native f\/10 with a 1.5x Barlow, or an f\/6 refractor with a 2.5x \u003ca href=\"\/products\/televue-2-5x-1-1-4-powermate\"\u003eTele Vue Powermate\u003c\/a\u003e. The ST4 port also lets it double as a guide camera.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/625ea7f8ab8657548ab358cec982f90c.jpg?v=1742485217\" alt=\"Dimension drawing of the ASI585MC showing M42 front thread, 62mm body and 6.5mm\/17.5mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003e\u003cstrong\u003eZWO IR cut filter\u003c\/strong\u003e\u003c\/a\u003e: the camera has a clear window, so add an IR cut filter for natural color and sharper focus on refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Barlow or Powermate:\u003c\/strong\u003e the \u003ca href=\"\/products\/televue-2-5x-1-1-4-powermate\"\u003eTele Vue 2.5x Powermate\u003c\/a\u003e or \u003ca href=\"\/products\/celestron-2x-1-25-x-cel-lx-barlow-lens\"\u003eCelestron 2x X-Cel LX Barlow\u003c\/a\u003e to reach the right image scale for planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-atmospheric-dispersion-corrector\"\u003e\u003cstrong\u003eZWO Atmospheric Dispersion Corrector\u003c\/strong\u003e\u003c\/a\u003e: removes the color fringing on planets low in the sky, which helps a lot from Colorado's latitude when Jupiter and Saturn sit low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA solar filter:\u003c\/strong\u003e a full-aperture white-light filter such as an \u003ca href=\"\/products\/celestron-eclipsmart-solar-filter-8-sct-edgehd\"\u003eEclipSmart filter for 8\" SCTs\u003c\/a\u003e before you point at the Sun.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA tracking mount:\u003c\/strong\u003e a \u003ca href=\"\/collections\/zwo-mounts\"\u003eZWO mount\u003c\/a\u003e or any GoTo mount that keeps the planet centered while you record.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI585MC vs. ASI715MC vs. ASI662MC\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI585MC\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi662mc-color\"\u003eASI662MC\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX585, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX715, 1\/2.8\"\u003c\/td\u003e\n\u003ctd\u003eIMX662, 1\/2.8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.4MP)\u003c\/td\u003e\n\u003ctd\u003e1920 × 1080 (2.1MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003ctd\u003e1.45µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor area\u003c\/td\u003e\n\u003ctd\u003eLargest (about 4×)\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003ctd\u003eSmall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eThe Moon, Sun and planets, with the widest field\u003c\/td\u003e\n\u003ctd\u003ePlanets on short-focal-length telescopes\u003c\/td\u003e\n\u003ctd\u003ePlanets on a budget, and guiding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-planetary-all-sky-cameras\"\u003eZWO planetary and all-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eASI585MC camera\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece\u003c\/li\u003e\n\u003cli\u003e1.25\" and 2\" dust covers\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m)\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilters, Barlows and the telescope are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI585MC FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI585MC good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's powered by USB, fits any 1.25\" focuser and is color, so there's no filter wheel. Start with the Moon, which is bright and forgiving, then move to Jupiter and Saturn.\u003c\/p\u003e\n\u003ch3\u003eWhich camera is best for Jupiter and Saturn?\u003c\/h3\u003e\n\u003cp\u003eOn an 8-inch or larger SCT, the ASI585MC is an excellent choice and its large sensor makes framing easy. On a small refractor with no Barlow, the \u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e's 1.45µm pixels give a larger planet image.\u003c\/p\u003e\n\u003ch3\u003eASI585MC or ASI585MC Pro?\u003c\/h3\u003e\n\u003cp\u003eBoth use the same sensor. The \u003ca href=\"\/products\/asi585mc-pro-color\"\u003ePro\u003c\/a\u003e adds cooling and an anti-dew heater for long deep-sky exposures. For the Moon, Sun and planets, where frames are a fraction of a second, the uncooled ASI585MC is all you need.\u003c\/p\u003e\n\u003ch3\u003eCan I use it for deep-sky imaging?\u003c\/h3\u003e\n\u003cp\u003eFor live stacking and bright targets, yes. Without cooling, noise rises on long exposures, so for serious deep-sky work choose a cooled camera.\u003c\/p\u003e\n\u003ch3\u003eCan I image the Sun with it?\u003c\/h3\u003e\n\u003cp\u003eYes, but only with proper solar filtering on the telescope: a full-aperture white-light filter or a dedicated hydrogen-alpha solar telescope. Never point a telescope at the Sun without one.\u003c\/p\u003e\n\u003ch3\u003eDoes it work as a guide camera?\u003c\/h3\u003e\n\u003cp\u003eYes. It has an ST4 port and is sensitive enough to guide, though most people use a dedicated guide camera so the ASI585MC stays free for imaging.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX585 STARVIS 2, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\", 11.13 × 6.26mm (12.84mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.29MP, 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.8–12e⁻ (1.5e⁻ in high-conversion-gain mode from gain 252)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e40,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e46.9 fps at 3840 × 2160 (12-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNone (uncooled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eST4 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and power\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e1.25\" nosepiece; M42 × 0.75 front thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm \/ 17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e62mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e126g (4.4oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-5°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI585MC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45442410184963,"sku":"ZWO-ASI585MC","price":359.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/585MCuncooled_c5cf36a57e4f3e67296671451d7f8f65-1.jpg?v=1742485217"},{"product_id":"asi585mc-pro-color","title":"ZWO ASI585MC Pro Cooled Color Astronomy Camera","description":"\u003ch2\u003eAn entry-level cooled color camera for galaxies and small nebulae\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI585MC Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCooled color for less:\u003c\/strong\u003e two-stage cooling to about 35°C below ambient, zero amp glow and read noise down to 0.7e⁻, in a one-shot-color camera with no filter wheel to buy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine detail on small targets:\u003c\/strong\u003e 2.9µm pixels give 1.2″ per pixel on a 490mm refractor, a good match for galaxies, planetary nebulae and globular clusters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne camera for everything:\u003c\/strong\u003e it runs at 47 fps at full resolution, so the same camera that takes long deep-sky exposures can also record the Moon, Sun and planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the 11.2 × 6.3mm sensor gives a narrow field, so big nebulae need a short telescope or mosaics. If you want a wider, square field, the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e is the next step up. You'll need 12V power and a computer or ASIAIR to run it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI585MC Pro\u003c\/strong\u003e is a cooled color (one-shot-color) deep-sky camera built on Sony's 8.3MP IMX585 STARVIS 2 sensor. ZWO describes it as an entry-level deep-sky camera, and it's a good first cooled camera for someone moving up from a DSLR or an uncooled planetary camera who wants clean, color images of galaxies and nebulae without a filter wheel. The body is 78mm across and 73.5mm long.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX585 STARVIS 2 color sensor, 1\/1.2\" (11.2 × 6.3mm) · 8.3MP (3840 × 2160) · 2.9µm pixels · 91% peak QE · read noise 0.7e⁻ · 40ke⁻ full well · two-stage cooling to 35°C below ambient · zero amp glow · 512MB DDR3 buffer · USB 3.0 plus 2-port USB 2.0 hub\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_f3ccdd27d2000e3f9255a7e3e2c48800-e1709013942572.jpg?v=1762386181\" alt=\"ZWO ASI585MC Pro cooled color astronomy camera with M42 front thread and cooling fins\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies:\u003c\/strong\u003e the Whirlpool, Sunflower and Black Eye Galaxies, M81 and M82, and the Leo Triplet. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 1.3° × 0.73° at 1.2″ per pixel; on the 612mm \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eFF90\u003c\/a\u003e it's about 1.0° × 0.6° at 1.0″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission nebulae with a dual-band filter:\u003c\/strong\u003e the Pacman, Eagle, Crescent and Bubble Nebulae and Thor's Helmet, even from a city backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClusters and planetary nebulae:\u003c\/strong\u003e M13, M3 and the Double Cluster's cores, and the Ring, Dumbbell and Cat's Eye Nebulae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider targets:\u003c\/strong\u003e on a 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field grows to about 2.6° × 1.4°, enough for the Orion Nebula with the Running Man, the Rosette or the Pleiades' core.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon, Sun and planets:\u003c\/strong\u003e 47 fps at full resolution (10-bit high-speed mode) makes it a capable lunar and planetary camera too.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThe camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and runs its cooler from 12V (ZWO recommends 12V at 3–5A, 5.5 × 2.1mm plug, center positive, or an 11–14V lithium battery). Set the cooler to a fixed temperature, take a series of exposures, and stacking software combines them into one clean color image. Two USB 2.0 ports on the back power and control a guide camera or focuser right at the scope.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the camera face, including an 11mm T2 ring. The included 21mm and 16.5mm extenders and M42-M48 adapter bring the total to the standard 55mm used by most flatteners and reducers, with or without an off-axis guider, as shown in ZWO's diagram below.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/CONNECTIONS_2243403a995a01a24cf9d745d610732f.jpg?v=1762386181\" alt=\"ZWO back-focus diagram for a cooled color camera reaching 55mm, with and without an off-axis guider\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e a dual-band filter lets you shoot emission nebulae from Denver, and broadband galaxies are best saved for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig temperature swings:\u003c\/strong\u003e the cooler holds a set temperature as the night cools off, so your darks stay matched from dusk to dawn.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, mount, guiding and focuser from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dual-band filter for nebulae from town:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e, held in front of the camera in a \u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m42\"\u003eZWO M42 2\" filter drawer\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003e\u003cstrong\u003eZWO IR cut filter\u003c\/strong\u003e\u003c\/a\u003e: for natural color and tight stars on refractors when you're not using a dual-band filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asi220mm-mini-mono\"\u003e\u003cstrong\u003eASI220MM Mini\u003c\/strong\u003e\u003c\/a\u003e: a sensitive guide camera for a guide scope or the \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eZWO OAG\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: keeps focus as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA telescope and mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eZWO FF70 + AM3N bundle\u003c\/a\u003e is a well-matched, portable setup for this camera.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI585MC Pro vs. ASI533MC Pro vs. ASI585MM Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI585MC Pro\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mm-pro-mono\"\u003eASI585MM Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX585 color, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX533 color, 1\" square\u003c\/td\u003e\n\u003ctd\u003eIMX585 mono, 1\/1.2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e11.2 × 6.3mm\u003c\/td\u003e\n\u003ctd\u003e11.3 × 11.3mm\u003c\/td\u003e\n\u003ctd\u003e11.2 × 6.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution \/ pixels\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 2.9µm\u003c\/td\u003e\n\u003ctd\u003e9MP, 3.76µm\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField on a 490mm scope\u003c\/td\u003e\n\u003ctd\u003e1.3° × 0.73°\u003c\/td\u003e\n\u003ctd\u003e1.3° × 1.3°\u003c\/td\u003e\n\u003ctd\u003e1.3° × 0.73°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003e1.25\" filters and a filter wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eCooled color at an entry-level price, small targets\u003c\/td\u003e\n\u003ctd\u003eA wider square field in color\u003c\/td\u003e\n\u003ctd\u003eNarrowband and the most detail per pixel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eWant it all in one box? The \u003ca href=\"\/products\/asi585mc-air\"\u003eASI585MC Air\u003c\/a\u003e pairs the same color sensor with a built-in ASIAIR and guide sensor. See all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/INTHEBOX_3a8def96d358bedbf43a46018a488697.jpg?v=1762386181\" alt=\"ASI585MC Pro box contents with camera bag, USB cables, extenders, adapters and spacers\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI585MC Pro camera and camera bag\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece and M42-1.25\" adapter\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eM42-M48 extender (16.5mm), M42 extender (21mm) and M42-M48 adapter\u003c\/li\u003e\n\u003cli\u003eFour spacers and a cover\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI585MC Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI585MC Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's color, so there's no filter wheel, and the small sensor is forgiving of flattener spacing and tilt. Pair it with an ASIAIR and a small refractor and you have a simple, capable first deep-sky setup.\u003c\/p\u003e\n\u003ch3\u003eASI585MC Pro or ASI533MC Pro?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e has a square sensor with almost twice the area, larger 3.76µm pixels and a 14-bit ADC, so it frames larger nebulae better. The ASI585MC Pro costs less, has finer pixels for small targets and is fast enough for planets.\u003c\/p\u003e\n\u003ch3\u003eASI585MC Pro or the uncooled ASI585MC?\u003c\/h3\u003e\n\u003cp\u003eBoth use the same sensor. The Pro adds cooling and a USB hub for long deep-sky exposures and needs 12V power. For the Moon, Sun and planets only, the uncooled \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e costs less.\u003c\/p\u003e\n\u003ch3\u003eDo I need a filter?\u003c\/h3\u003e\n\u003cp\u003eNot to start. Under dark skies it works with no filter at all. From the city, a dual-band filter like the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band\u003c\/a\u003e makes emission nebulae stand out from light pollution.\u003c\/p\u003e\n\u003ch3\u003eCan I image planets with it?\u003c\/h3\u003e\n\u003cp\u003eYes. It runs at 47 fps at full resolution in high-speed mode, so it works for the Moon, Sun and planets as well as deep-sky targets.\u003c\/p\u003e\n\u003ch3\u003eDoes it need a computer?\u003c\/h3\u003e\n\u003cp\u003eIt needs something to control it: a laptop with ASIStudio, SharpCap or N.I.N.A., or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e run from your phone.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX585 STARVIS 2, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\", 11.2 × 6.3mm (12.84mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.29MP, 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.7e⁻ minimum (high-conversion-gain mode from gain 200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e40,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 35°C below ambient (tested at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e47 fps at full resolution (10-bit high-speed mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 512MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC for cooling, 3–5A recommended, 5.5 × 2.1mm center positive, or 11–14V lithium battery (supply not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm (6.5mm without the 11mm T2 ring); 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 front thread; 1.25\" nosepiece included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e78mm diameter × 73.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI585MC-P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45449216688387,"sku":"ZWO-ASI585MC-P","price":539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_f3ccdd27d2000e3f9255a7e3e2c48800-e1709013942572.jpg?v=1762386181"},{"product_id":"asi174mm-mini","title":"ZWO ASI174MM Mini Monochrome Guide Camera","description":"\u003ch2\u003eA big-sensor guide camera for off-axis guiders and long focal lengths\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI174MM Mini:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe widest view of any ZWO Mini:\u003c\/strong\u003e its 11.3 x 7.1mm sensor covers about 4.6 times the area of the ASI120MM Mini, so the small, dim field of an off-axis guider still shows a usable guide star.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig pixels for long scopes:\u003c\/strong\u003e 5.86µm pixels give a sensible image scale on SCTs, RCs and other telescopes of 1000mm and up, without binning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame easy Mini design:\u003c\/strong\u003e a 1.25\" barrel, USB-C to the ASIAIR or a laptop, an ST4 port, and just 60g (2.1oz) hanging off your OAG.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e it runs over USB 2.0 at about 18 frames per second, so it's a guider first. It can take mono snapshots of the Sun and Moon, but for high-speed planetary or solar video choose a USB 3.0 camera.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI174MM Mini\u003c\/strong\u003e is a monochrome guide camera built for off-axis guiding on long focal length telescopes. It watches a star picked off by an off-axis guider (OAG) or seen through a guide scope and tells the mount how to correct its tracking many times a minute, so your stars stay round. Its 1\/1.2\" sensor has 1936 x 1216 pixels of 5.86µm, a peak QE of about 77% and read noise of 3.5e, in the same 36mm x 61mm body as the other ZWO Minis.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 1\/1.2\" Sony IMX249 mono sensor (11.3 x 7.1mm) · 1936 x 1216, 5.86µm pixels · read noise 3.5e · QE about 77% · full well 32,000e · 12-bit ADC · USB-C (USB 2.0) and ST4 · 1.25\" barrel · 60g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ASI174Mini.jpg?v=1777395612\" alt=\"ZWO ASI174MM Mini red monochrome guide camera with its 1.25 inch barrel\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat it does for your images\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinds guide stars behind an OAG:\u003c\/strong\u003e an off-axis guider sees only a tiny slice of sky at the edge of your main telescope's light path. A larger sensor means more of that slice, and more stars to choose from.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo flexure on long scopes:\u003c\/strong\u003e guiding through the main telescope with an OAG removes the small shifts between a separate guide scope and an SCT or RC that cause stretched stars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound stars in long exposures and dithering:\u003c\/strong\u003e with the ASIAIR or PHD2 it corrects tracking errors and shifts the frame slightly between exposures to clean up walking noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSun and Moon snapshots:\u003c\/strong\u003e the large mono sensor and 5.86µm pixels can record the full disk of the Sun through a solar telescope or the Moon in a single frame. At about 18 fps over USB 2.0 it suits stills and mosaics rather than fast lucky imaging.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works with an off-axis guider\u003c\/h2\u003e\n\u003cp\u003eMount the OAG between your focuser or reducer and your imaging camera, slide the ASI174MM Mini into the OAG's 1.25\" holder, and focus the guide camera once by sliding it in or out. Then connect the USB-C cable to your ASIAIR or computer, calibrate, and start guiding. The ST4 port can send corrections straight to the mount, though most setups now guide over the mount's USB connection.\u003c\/p\u003e\n\u003cp\u003eHere's how the three ZWO Mini cameras compare on an 8-inch SCT at its native 2032mm focal length:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI174MM Mini:\u003c\/strong\u003e 19.1' x 12.0' field at about 0.59 arcseconds per pixel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI220MM Mini:\u003c\/strong\u003e 13.0' x 7.3' field at about 0.41 arcseconds per pixel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASI120MM Mini:\u003c\/strong\u003e 8.1' x 6.1' field at about 0.38 arcseconds per pixel\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThat's more than twice the sky area of the ASI220MM Mini, which is often the difference between a solid guide star and none. With the 0.7x reducer (about 1422mm), the ASI174MM Mini's field grows to 27' x 17' at 0.85 arcseconds per pixel.\u003c\/p\u003e\n\u003cp\u003eIn a guide scope it works too: with the \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5\u003c\/a\u003e (150mm) it sees a 4.3° x 2.7° field at about 8.1 arcseconds per pixel. For refractors under about 750mm, though, the less expensive \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e is the better match in a guide scope.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/MMCompare.png?v=1742566598\" alt=\"Sensor size comparison of the ZWO ASI120 Mini and the larger ASI174 Mini sensor\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO Large OAG off-axis guider\u003c\/strong\u003e\u003c\/a\u003e (or a guide scope, required): its 12mm prism is a good match for the ASI174MM Mini's 11.3mm-wide sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO OAG off-axis guider\u003c\/strong\u003e\u003c\/a\u003e: the standard OAG for smaller imaging sensors and shorter back-focus setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eZWO ASIAIR Plus 256GB\u003c\/strong\u003e\u003c\/a\u003e: runs guiding, your main camera and the mount from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003e\u003cstrong\u003eZWO 30F5 Mini Guide Scope\u003c\/strong\u003e\u003c\/a\u003e: if you'd rather guide with a separate scope on a shorter refractor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI174MM Mini vs. other ZWO guide cameras\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi120mm-mini-mono\"\u003eASI120MM Mini\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eASI174MM Mini\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/3\" AR0130\u003c\/td\u003e\n\u003ctd\u003e1\/1.8\" SC2210\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\" Sony IMX249\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e4.8 x 3.6mm\u003c\/td\u003e\n\u003ctd\u003e7.68 x 4.32mm\u003c\/td\u003e\n\u003ctd\u003e11.3 x 7.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1280 x 960\u003c\/td\u003e\n\u003ctd\u003e1920 x 1080\u003c\/td\u003e\n\u003ctd\u003e1936 x 1216\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.75µm\u003c\/td\u003e\n\u003ctd\u003e4µm\u003c\/td\u003e\n\u003ctd\u003e5.86µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e4.0e\u003c\/td\u003e\n\u003ctd\u003e0.6e\u003c\/td\u003e\n\u003ctd\u003e3.5e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWith the 30F5 (150mm)\u003c\/td\u003e\n\u003ctd\u003e1.8° x 1.4°, 5.2\"\/px\u003c\/td\u003e\n\u003ctd\u003e2.9° x 1.6°, 5.5\"\/px\u003c\/td\u003e\n\u003ctd\u003e4.3° x 2.7°, 8.1\"\/px\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eBudget guiding with short guide scopes\u003c\/td\u003e\n\u003ctd\u003eMost guide scopes, and OAGs on refractors\u003c\/td\u003e\n\u003ctd\u003eOAGs on long focal length SCTs and RCs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-guide-cameras\"\u003eZWO guide cameras\u003c\/a\u003e and \u003ca href=\"\/collections\/autoguiders-for-astrophotography\"\u003eautoguiding gear\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eASI174MM Mini camera\u003c\/li\u003e\n\u003cli\u003e1.25\" cover\u003c\/li\u003e\n\u003cli\u003e1.25\" extender\u003c\/li\u003e\n\u003cli\u003eM28.5 to CS adapter\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 Type-C cables, 0.5m and 2m\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/INTHEBOX_36911c0904db1d481a24384dac5a57ea.jpg?v=1742566513\" alt=\"ASI174MM Mini box contents: camera, 1.25 inch cover and extender, M28.5-CS adapter, ST4 cable, two USB-C cables and quick guide\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe off-axis guider or guide scope is sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI174MM Mini FAQ\u003c\/h2\u003e\n\u003ch3\u003eDo I need the ASI174MM Mini, or will the ASI220MM Mini do?\u003c\/h3\u003e\n\u003cp\u003eIf you guide with a guide scope on a refractor, the \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e is the better value. Choose the ASI174MM Mini when you use an off-axis guider on a long telescope, such as an 8-inch or larger SCT or an RC, where the bigger sensor and larger pixels make finding a guide star much easier.\u003c\/p\u003e\n\u003ch3\u003eIs it good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes, once you're at the stage of guiding a long focal length scope. Setup is the same as any ZWO Mini: focus it once in the OAG, select it in the ASIAIR or PHD2, calibrate and guide. Focusing the guide camera on an OAG the first time takes a little patience, and we're happy to help.\u003c\/p\u003e\n\u003ch3\u003eCan I use it for solar or lunar imaging?\u003c\/h3\u003e\n\u003cp\u003eFor single frames and mosaics of the Sun (with a proper solar telescope or filter) and the Moon, yes. Its USB 2.0 connection limits it to about 18 frames per second, so for high-frame-rate lucky imaging of the Sun, Moon and planets a USB 3.0 planetary camera such as the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e is the better tool.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with the ASIAIR?\u003c\/h3\u003e\n\u003cp\u003eYes. Plug it into one of the ASIAIR's USB ports and select it as the guide camera.\u003c\/p\u003e\n\u003ch3\u003eWhich off-axis guider should I use?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003eZWO Large OAG\u003c\/a\u003e has a 12mm prism that suits this camera's sensor. With the standard \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eZWO OAG\u003c\/a\u003e, the ASI174MM Mini works too, though part of the sensor may sit outside the prism's light.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX249, monochrome CMOS (global shutter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\" (11.3 x 7.1mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1936 x 1216 (2.3MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e5.86µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e3.5e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 77%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e32,000e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e18.4 fps at full resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB-C (USB 2.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide port\u003c\/td\u003e\n\u003ctd\u003eST4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e8.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e36mm diameter x 61.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e60g (2.1oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI174MINI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45449392554243,"sku":"ZWO-ASI174MINI","price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ASI174Mini.jpg?v=1777395612"},{"product_id":"asi120mm-mini-mono","title":"ZWO ASI120MM Mini Monochrome Guide Camera","description":"\u003ch2\u003eAn affordable first guide camera that slides into a guide scope like an eyepiece\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI120MM Mini:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow cost of entry:\u003c\/strong\u003e it's ZWO's entry-level guide camera, an easy way to add guiding to a first imaging rig without a big spend.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitive where it counts:\u003c\/strong\u003e the monochrome AR0130CS sensor peaks at about 80% QE, so a 30mm to 50mm guide scope shows plenty of usable stars in most of the sky.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for guiding:\u003c\/strong\u003e the 1.25\" barrel slides into a guide scope's focuser, with room to slide it in or out to reach focus. A USB-C port connects to an ASIAIR or laptop, and an ST4 port can send corrections straight to the mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e its small 1\/3\" sensor works best in a guide scope. For an off-axis guider, or if you want more stars to choose from, step up to the \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI120MM Mini\u003c\/strong\u003e is a monochrome guide camera that keeps your mount on target during long astrophotography exposures. It watches a star through a guide scope and tells the mount how to correct its tracking many times a minute, so your stars stay round. It uses a 1\/3\" AR0130CS sensor with 1280 x 960 pixels of 3.75µm, and it weighs just 60g (2.1oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 1\/3\" AR0130CS mono sensor (4.8 x 3.6mm) · 1280 x 960, 3.75µm pixels · read noise 4.0e · QE about 80% · 12-bit ADC · 35 fps · USB-C (USB 2.0) and ST4 · 1.25\" barrel · 60g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/f7c3f776f71ad9215a96e4986451d7be.jpg?v=1773958417\" alt=\"Two ZWO ASI120MM Mini guide cameras showing the sensor window and the USB-C and ST4 ports\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat it does for your images\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound stars in long exposures:\u003c\/strong\u003e guiding corrects small tracking errors so you can expose for minutes instead of seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDithering:\u003c\/strong\u003e with the ASIAIR or PHD2, the guider shifts the frame slightly between exposures, which removes walking noise from stacked images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster polar alignment:\u003c\/strong\u003e the ASIAIR and PHD2 can use the guide camera for their polar alignment routines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLighter rigs:\u003c\/strong\u003e at 60g it adds almost nothing to a small refractor on a strain-wave mount or star tracker.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to set it up\u003c\/h2\u003e\n\u003cp\u003eSlide the camera into your guide scope's 1.25\" focuser, focus on a star, and connect the USB-C cable to your ASIAIR or computer. In the ASIAIR app or PHD2, calibrate once and start guiding. If your mount has an ST4 autoguider port, the included ST4 cable can send corrections directly, though most setups now guide over the mount's USB connection.\u003c\/p\u003e\n\u003cp\u003eWith the \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5\u003c\/a\u003e (150mm focal length), the ASI120MM Mini sees a 1.8° x 1.4° field at about 5.2 arcseconds per pixel, a comfortable match for most refractor imaging setups.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003e\u003cstrong\u003eZWO 30F5 Mini Guide Scope\u003c\/strong\u003e\u003c\/a\u003e (or another guide scope, required): the camera needs optics to look through.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eZWO ASIAIR Plus 256GB\u003c\/strong\u003e\u003c\/a\u003e: runs guiding, your main camera and the mount from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/uniguide-32-slide-base-guide-scope\"\u003e\u003cstrong\u003eWilliam Optics UniGuide 32\u003c\/strong\u003e\u003c\/a\u003e: a slide-base guide scope for William Optics refractors with a slide-base handle.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/william-optics-50mm-uniguide-slide-base\"\u003e\u003cstrong\u003eWilliam Optics UniGuide 50\u003c\/strong\u003e\u003c\/a\u003e: a larger 50mm guide scope that gathers more light for fainter guide stars.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI120MM Mini vs. other ZWO guide cameras\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI120MM Mini\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi174mm-mini\"\u003eASI174MM Mini\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/3\" AR0130\u003c\/td\u003e\n\u003ctd\u003e1\/1.8\" SC2210\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\" IMX174\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e4.8 x 3.6mm\u003c\/td\u003e\n\u003ctd\u003e7.68 x 4.32mm\u003c\/td\u003e\n\u003ctd\u003e11.3 x 7.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1280 x 960\u003c\/td\u003e\n\u003ctd\u003e1920 x 1080\u003c\/td\u003e\n\u003ctd\u003e1936 x 1216\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.75µm\u003c\/td\u003e\n\u003ctd\u003e4µm\u003c\/td\u003e\n\u003ctd\u003e5.86µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eBudget guiding with short guide scopes\u003c\/td\u003e\n\u003ctd\u003eMost guide scopes, and OAGs on refractors\u003c\/td\u003e\n\u003ctd\u003eOAGs on long focal length SCTs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-guide-cameras\"\u003eZWO guide cameras\u003c\/a\u003e and \u003ca href=\"\/collections\/autoguiders-for-astrophotography\"\u003eautoguiding gear\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eASI120MM Mini camera\u003c\/li\u003e\n\u003cli\u003e1.25\" cover\u003c\/li\u003e\n\u003cli\u003e1.25\" extender\u003c\/li\u003e\n\u003cli\u003eM28.5 to CS adapter\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 Type-C cables, 0.5m and 2m\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe guide scope is sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI120MM Mini FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs it good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. Guiding sounds technical, but with an ASIAIR it's a few taps: focus the guide camera once, calibrate, and start. It's usually the second upgrade we suggest after a tracking mount and imaging camera.\u003c\/p\u003e\n\u003ch3\u003eASI120MM Mini or ASI220MM Mini?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e has about twice the sensor area and much lower read noise, so it finds guide stars more easily and works with an off-axis guider. The ASI120MM Mini does the job well in a guide scope if you're on a budget.\u003c\/p\u003e\n\u003ch3\u003eWhich guide scope should I use?\u003c\/h3\u003e\n\u003cp\u003eA 30mm to 50mm guide scope with 120mm to 200mm focal length works well, such as the \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5\u003c\/a\u003e or a \u003ca href=\"\/products\/uniguide-32-slide-base-guide-scope\"\u003eUniGuide 32\u003c\/a\u003e. For an off-axis guider, choose a camera with a larger sensor, like the ASI220MM Mini.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with the ASIAIR?\u003c\/h3\u003e\n\u003cp\u003eYes. Plug it into one of the ASIAIR's USB ports and select it as the guide camera.\u003c\/p\u003e\n\u003ch3\u003eCan I use it as an imaging camera?\u003c\/h3\u003e\n\u003cp\u003eIt's designed for guiding. It can take simple mono shots of the Moon, but for planets choose a USB 3.0 planetary camera such as the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e, and for deep-sky images a cooled camera such as the \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eonsemi AR0130CS, monochrome CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/3\" (4.8 x 3.6mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1280 x 960 (1.2MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.75µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e4.0e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e13,000e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e35 fps at full resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e64µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB-C (USB 2.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide port\u003c\/td\u003e\n\u003ctd\u003eST4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e8.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e36mm diameter x 61mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e60g (2.1oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI120MINI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45449489318147,"sku":"ZWO-ASI120MINI","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ASI120Mini.jpg?v=1777395369"},{"product_id":"asi220mm-mini-mono","title":"ZWO ASI220MM Mini Monochrome Guide Camera","description":"\u003ch2\u003eA guide camera that finds a guide star almost anywhere\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI220MM Mini:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore stars to choose from:\u003c\/strong\u003e its sensor has nearly twice the area of the popular ASI120MM Mini, and read noise as low as 0.6e. In a small guide scope that means bright, usable guide stars in almost every part of the sky.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for guiding:\u003c\/strong\u003e the long 1.25\" barrel slides into a guide scope like an eyepiece, and there's room to slide it in or out to reach focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple cabling:\u003c\/strong\u003e a USB-C port connects to an ASIAIR or laptop, and an ST4 port can send corrections straight to the mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat we tell customers:\u003c\/strong\u003e it's the guide camera we suggest for most new imaging rigs. Pair it with the \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5 guide scope\u003c\/a\u003e and an ASIAIR and you're guiding in minutes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI220MM Mini\u003c\/strong\u003e is a monochrome guide camera that keeps your mount on target during long astrophotography exposures. It watches a star through a guide scope or off-axis guider and tells the mount how to correct its tracking many times a minute, so your stars stay round. It uses a 1\/1.8\" SC2210 sensor with 4µm pixels and a peak QE of about 92%, and it weighs just 60g (2.1oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 1\/1.8\" SC2210 mono sensor (7.68 x 4.32mm) · 1920 x 1080, 4µm pixels · read noise 0.6e · QE about 92% · 12-bit ADC · USB-C (USB 2.0) and ST4 · 1.25\" barrel · 60g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_04c7a5d8627867975bd62b406c81b2da.jpg?v=1760122472\" alt=\"ZWO ASI220MM Mini red guide camera with its 1.25 inch barrel\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat it does for your images\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound stars in long exposures:\u003c\/strong\u003e guiding corrects small tracking errors so you can expose for minutes instead of seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDithering:\u003c\/strong\u003e with the ASIAIR or PHD2, the guider shifts the frame slightly between exposures, which removes walking noise from stacked images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster polar alignment:\u003c\/strong\u003e the ASIAIR and PHD2 can use the guide camera for polar alignment routines.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorks with an off-axis guider:\u003c\/strong\u003e the larger sensor helps find stars in the small field of an OAG on a long focal length telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to set it up\u003c\/h2\u003e\n\u003cp\u003eSlide the camera into your guide scope's 1.25\" focuser, focus on a star, and connect the USB-C cable to your ASIAIR or computer. In the ASIAIR app or PHD2, calibrate once and start guiding. If your mount has an ST4 autoguider port, the included ST4 cable can send corrections directly, though most setups now guide over the mount's USB connection.\u003c\/p\u003e\n\u003cp\u003eWith the \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5\u003c\/a\u003e (150mm focal length), the ASI220MM Mini sees a 2.9° x 1.6° field at about 5.5 arcseconds per pixel, a comfortable match for most refractor imaging setups.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003e\u003cstrong\u003eZWO 30F5 Mini Guide Scope\u003c\/strong\u003e\u003c\/a\u003e (or another guide scope or off-axis guider, required): the camera needs optics to look through.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eZWO ASIAIR Plus 256GB\u003c\/strong\u003e\u003c\/a\u003e: runs guiding, your main camera and the mount from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO Large OAG off-axis guider\u003c\/strong\u003e\u003c\/a\u003e: for SCTs and long refractors where a separate guide scope can flex.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/uniguide-32-slide-base-guide-scope\"\u003e\u003cstrong\u003eWilliam Optics UniGuide 32\u003c\/strong\u003e\u003c\/a\u003e: a slide-base guide scope for William Optics refractors with a slide-base handle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI220MM Mini vs. other ZWO guide cameras\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi120mm-mini-mono\"\u003eASI120MM Mini\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eASI220MM Mini\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi174mm-mini\"\u003eASI174MM Mini\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003e1\/3\" AR0130\u003c\/td\u003e\n\u003ctd\u003e1\/1.8\" SC2210\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\" IMX174\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e4.8 x 3.6mm\u003c\/td\u003e\n\u003ctd\u003e7.68 x 4.32mm\u003c\/td\u003e\n\u003ctd\u003e11.3 x 7.1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1280 x 960\u003c\/td\u003e\n\u003ctd\u003e1920 x 1080\u003c\/td\u003e\n\u003ctd\u003e1936 x 1216\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.75µm\u003c\/td\u003e\n\u003ctd\u003e4µm\u003c\/td\u003e\n\u003ctd\u003e5.86µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eBudget guiding with short guide scopes\u003c\/td\u003e\n\u003ctd\u003eMost guide scopes, and OAGs on refractors\u003c\/td\u003e\n\u003ctd\u003eOAGs on long focal length SCTs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-guide-cameras\"\u003eZWO guide cameras\u003c\/a\u003e and \u003ca href=\"\/collections\/autoguiders-for-astrophotography\"\u003eautoguiding gear\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eASI220MM Mini camera\u003c\/li\u003e\n\u003cli\u003e1.25\" cover\u003c\/li\u003e\n\u003cli\u003e1.25\" extender\u003c\/li\u003e\n\u003cli\u003eM28.5 to CS adapter\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 Type-C cables, 0.5m and 2m\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/INTHEBOX_04161132d9c2c4bc10acf3148eb4ec4c.jpg?v=1760122472\" alt=\"ASI220MM Mini box contents: camera, 1.25 inch cover and extender, CS adapter, ST4 and USB-C cables\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe guide scope or off-axis guider is sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI220MM Mini FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs it good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. Guiding sounds technical, but with an ASIAIR it's a few taps: focus the guide camera once, calibrate, and start. It's usually the second upgrade we suggest after a tracking mount and imaging camera.\u003c\/p\u003e\n\u003ch3\u003eASI220MM Mini or ASI120MM Mini?\u003c\/h3\u003e\n\u003cp\u003eThe ASI220MM Mini has nearly twice the sensor area and lower read noise, so it finds guide stars more easily, especially with an OAG. The \u003ca href=\"\/products\/asi120mm-mini-mono\"\u003eASI120MM Mini\u003c\/a\u003e still works well in a guide scope if you're on a tight budget.\u003c\/p\u003e\n\u003ch3\u003eWhich guide scope should I use?\u003c\/h3\u003e\n\u003cp\u003eFor refractors and small SCTs, a 30mm to 50mm guide scope with 120mm to 200mm focal length works well, such as the \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5\u003c\/a\u003e. For long SCTs, an off-axis guider avoids flexure between the guide scope and main telescope.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with the ASIAIR?\u003c\/h3\u003e\n\u003cp\u003eYes. Plug it into one of the ASIAIR's USB ports and select it as the guide camera.\u003c\/p\u003e\n\u003ch3\u003eCan I use it as an imaging camera?\u003c\/h3\u003e\n\u003cp\u003eIt's designed for guiding. For deep-sky images, pair it with a dedicated cooled imaging camera such as the \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSmartSens SC2210, monochrome CMOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.8\" (7.68 x 4.32mm, 8.8mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 x 1080 (2.1MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e4µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003eAs low as 0.6e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 92%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e8,780e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB-C (USB 2.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuide port\u003c\/td\u003e\n\u003ctd\u003eST4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBarrel\u003c\/td\u003e\n\u003ctd\u003e1.25\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e8.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e60g (2.1oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI220MINI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45449778594051,"sku":"ZWO-ASI220MINI","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/BODY_04c7a5d8627867975bd62b406c81b2da.jpg?v=1760122472"},{"product_id":"zwo-ir-cut-filter","title":"ZWO IR Cut Filter","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch1 class=\"has-luminous-vivid-amber-color has-text-color wp-block-heading\"\u003e\u003cspan\u003eUV IR CUT filter – 1.25″\u003c\/span\u003e\u003c\/h1\u003e\n\u003cp\u003eZWO 1.25″ IR UV CUT filter is suitable for color camera with AR protect window.\u003c\/p\u003e\n\u003cp\u003eThe ZWO IR-Cut Filter blocks infrared light from reaching the sensor of your CCD or CMOS camera or your expensive H-alpha filter. When imaging, the addition of this simple and inexpensive accessory will result in sharper images, and when doing solar work, the IR Cut Filter will your protect H-alpha filter from the damaging effects of infrared radiation.\u003c\/p\u003e\n\u003cp\u003eInfrared or IR light is invisible to the human eye, and so even though most telescopes are not designed to focus IR light, it does not matter when you are using your telescope visually. However, when you add a camera to the mix, its a whole other story! Unlike the human eye, a silicon sensor is very sensitive to light in the infrared portion of the spectrum, and that is a problem because infrared images are blurry as all get out. That means your nice, sharp visual light image is degraded by the addition of the infrared layer. This problem can easily be solved by blocking the infrared, and the ZWO IR Cut-Off, will do just that.\u003c\/p\u003e\n\u003cp\u003eThe ZWO IR-Cut filter is housed in a 1.25” cell. The filter comes with a protective plastic case.\u003c\/p\u003e\n\u003cp\u003eThickness: 1.85 mm\u003c\/p\u003e\n\u003ch1 class=\"has-luminous-vivid-amber-color has-text-color wp-block-heading\"\u003e\u003cspan\u003eUV IR CUT filter – 2″\u003c\/span\u003e\u003c\/h1\u003e\n\u003ch3 class=\"has-vivid-red-color has-text-color wp-block-heading\"\u003e\u003cstrong\u003eTechnical Parameter\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eName: IR-cut filter\u003c\/p\u003e\n\u003cp\u003eSize: 2″\u003c\/p\u003e\n\u003cp\u003eThickness: 5mm+2mm(Thread)\u003c\/p\u003e\n\u003cp\u003eThread: M48*0.75 male thread\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!----\u003e","brand":"ZWO","offers":[{"title":"1.25\"","offer_id":45491375046915,"sku":"ZWO-IRCUT1.25","price":29.0,"currency_code":"USD","in_stock":true},{"title":"2.0\"","offer_id":45491375079683,"sku":"ZWO-IRCUT2","price":49.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/fa3a81b58e51fceb75a4e68504c4a5ee-1.jpg?v=1745703833"},{"product_id":"zwo-eaf-hand-control","title":"ZWO EAF Hand Control","description":"\u003cp\u003eUsed with the ZWO Electronic AUto-Focuser for performing manual focus adjustments.\u003c\/p\u003e\n\u003c!----\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45491569819907,"sku":"ZWO-EAF-HC","price":36.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/72f86064ed0f2ee84ce24f746a59d0dc-2.jpg?v=1771441831"},{"product_id":"zwo-eaf-bracket-for-takahashi-scopes","title":"ZWO EAF bracket for Takahashi Scopes (For new EAF)","description":"\u003cp class=\"has-vivid-red-color has-text-color wp-block-heading\"\u003e\u003cstrong\u003e\u003cem\u003eNow includes the 4mm coupler for compatibility with the new EAFN and EAF Pro.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3 class=\"has-vivid-red-color has-text-color wp-block-heading\"\u003e\u003cstrong\u003eZWO EAF bracket for Takahashi Scope\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e(this part is defined as optional accessories for ZWO EAF)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupport List:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eTakahashi FSQ85\u003c\/p\u003e\n\u003cp\u003eTakahashi FSQ106 (except for the first generation)\u003c\/p\u003e\n\u003cp\u003eTakahashi TOA-130NFB\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical diagram：\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/2ddb70e72814fb20e051a9b8f8a35b0f_f5117fdd-c435-49a8-97a9-1bea97b06403.png?v=1717000775\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"wp-block-image\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003eThe ZWO 5V EAF is an electronic focuser that allows for dynamic, precise focus control for deep-sky and planetary imaging alike. A major benefit of this electronic automatic focuser is its highly integrated design and support for INDI, ASCOM drivers and software, ASIAIR and ASIStudio, automatic focusing, manual focusing with hand controller (sold separately), and a temperature sensor (sold separately). For those interested in the hand controller and temperature sensor, these can all be purchased in the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.highpointscientific.com\/zwo-advanced-electronic-automatic-focuser-eaf-5v-usb-with-hand-controller-temp-sensor-eaf-5v-a\"\u003eZWO Advanced Electronic Automatic Focuser (EAF) 5V USB Version bundle\u003c\/a\u003e, or each item can be purchased separately as needed, for future upgrade.\u003c\/p\u003e\n\u003cp\u003eCompared to earlier versions of the ZWO EAF, the main advantage of the 5V USB is the elimination of the 12V power supply port. Not only does this allow for better cord management, but reduces power consumption and supply pressure when in remote settings. This unit receives power and transmits data through its single USB 2.0 port. A single separate auxiliary port supports either a temperature sensor or hand controller (sold separately).\u003c\/p\u003e\n\u003cp\u003eThe Standard EAF 5V USB 2.0 works with all capture software that is supported by the ASCOM platform. This can be added to the ASIAIR WiFi imaging and control system (sold separately) to complete the system and allow users to run their entire imaging sessions with a smartphone or tablet and can do so indoors, if they choose.\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45491598917891,"sku":"ZWO-EAF-BRK-TK","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/8a1679fdeb7e352de35f2b9a8bf502a4.jpg?v=1717000818"},{"product_id":"zwo-eaf-bracket-for-c8-and-c9-25","title":"ZWO EAF bracket for C8 and C9.25 (For new EAF)","description":"\u003cp class=\"has-vivid-red-color has-text-color wp-block-heading\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e\u003cem\u003eNow includes the 4mm coupler for compatibility with the new EAFN and EAF Pro.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eZWO has CNC machined the EAF Bracket kit from aircraft grade aluminum block. This means that not only is the metal high quality, but you can also be rest assured that it will securely hold your EAF when correctly installed. This coupling and bracket are made to connect the ZWO EAF, electronic focuser, directly to the Celestron C8 and C925 Schmidt-Cassegrain telescopes. Using this bracket allows you to bypass the FeatherTouch focuser completely.\u003c\/p\u003e\n\u003cp\u003ePlease note: This ZWO EAF bracket is only compatible with newer Celestron SCT models produced in the mid 2000s or later. If you are unsure if your model is compatible with this bracket, please reach out to ZWO for further confirmation.\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45491647840515,"sku":"ZWO-EAF-C8-C925","price":44.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/eaf-c8-c925_main_5d2a6688-0574-442c-ab52-e85b667b7570.jpg?v=1755894982"},{"product_id":"zwo-eaf-bracket-for-c11-and-c14","title":"ZWO EAF bracket for C11 and C14 (For new EAF)","description":"\u003cp class=\"has-vivid-red-color has-text-color wp-block-heading\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003e\u003cem\u003eNow includes the 4mm coupler for compatibility with the new EAFN and EAF Pro.\u003c\/em\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eZWO has CNC machined the EAF Bracket kit from aircraft grade aluminum block. This means that not only is the metal high quality, but you can also be rest assured that it will securely hold your EAF when correctly installed. This coupling and bracket are made to connect the ZWO EAF, electronic focuser, directly to the Celestron C8 and C925 Schmidt-Cassegrain telescopes. Using this bracket allows you to bypass the FeatherTouch focuser completely.\u003c\/p\u003e\n\u003cp\u003ePlease note: This ZWO EAF bracket is only compatible with newer Celestron SCT models produced in the mid 2000s or later. If you are unsure if your model is compatible with this bracket, please reach out to ZWO for further confirmation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIn The Box\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFlexible coupling x1\u003c\/li\u003e\n\u003cli\u003eMotor bracket x1\u003c\/li\u003e\n\u003cli\u003eM4-8mm x2\u003c\/li\u003e\n\u003cli\u003eM3-35mm x3\u003c\/li\u003e\n\u003cli\u003eM4-35mm x3\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45491655311619,"sku":"ZWO-EAF-C11-C14","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/d8d858dddb34b74790662adcf9b19f4f.jpg?v=1717001458"},{"product_id":"zwo-am5n","title":"ZWO AM5N Harmonic Drive Mount with TC40 Tripod - 33\/44lb Payload","description":"\u003cp\u003e\u003cstrong\u003eSpecial promo: includes the TC40 carbon fiber tripod FREE.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eA 12 lb harmonic mount that carries 33 lb of telescope without a counterweight\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the AM5N:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig payload, small mount:\u003c\/strong\u003e 15kg (33lb) of telescope and camera with no counterweight, on a 5.5kg (12.1lb) head and a 2.3kg (5lb) carbon tripod. The whole mount goes out the door in one trip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuiding that stays out of the way:\u003c\/strong\u003e reviewers routinely report autoguiding around 0.3–0.5 arcseconds RMS, and ZWO's own side-by-side test measured 0.35–0.44″ on the AM5N against 0.50–0.58″ on the original AM5.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFewer snagged cables:\u003c\/strong\u003e 12V power and a USB-C port on the saddle let you power and connect the camera and ASIAIR right at the scope, and a power-off brake holds the telescope if the power cuts out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat we tell customers:\u003c\/strong\u003e a light mount on a low tripod is easier to tip over than a heavy one. Use the weight bag, add a pier extension for long refractors, and keep heavy setups out of strong wind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO AM5N Harmonic Drive Mount with TC40 Tripod\u003c\/strong\u003e is a computerized GoTo mount for astrophotography that works in equatorial or alt-azimuth mode. Its strain wave (harmonic) gearing has no backlash and doesn't need balancing, so you can bolt on a refractor up to about 130mm, a RedCat or a small RASA and start imaging. It's the mount we recommend most often for a first serious imaging rig, and it's also a favorite for travel because the head fits in carry-on luggage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 15kg (33lb) payload without counterweight · 20kg (44lb) with counterweight · ±10″ periodic error · 300:1 strain wave + belt drive · 0–90° latitude · equatorial or alt-az · Wi-Fi and Bluetooth · 5.5kg (12.1lb) head\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ZWO-AM5N_TC40-Tripod.jpg?v=1787773229\" alt=\"ZWO AM5N harmonic mount on the TC40 carbon fiber tripod\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebulae with a small refractor:\u003c\/strong\u003e the North America and Pelican, Heart and Soul, Veil and Rosette Nebulae with a 50–90mm refractor and a camera like the ASI2600MC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies with more focal length:\u003c\/strong\u003e the Andromeda, Triangulum and Whirlpool Galaxies, and the Leo Triplet, with a 110–130mm refractor such as the \u003ca href=\"\/products\/zwo-110apo-am5n-bundle\"\u003eFF110\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-131apo-am5n-bundle\"\u003eFF131\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanets and the Moon:\u003c\/strong\u003e in alt-azimuth mode with a small SCT or Maksutov, no polar alignment needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Milky Way fields:\u003c\/strong\u003e with a camera and lens on a ball head.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy it's easy to set up\u003c\/h2\u003e\n\u003cp\u003eThere's no counterweight to add and nothing to balance. Level the tripod, set your latitude with the knob (0–60° in one position, 45–90° in the other), and polar align with the ASIAIR or the ZWO app. Reviewers report being ready to image in about 10 minutes.\u003c\/p\u003e\n\u003cp\u003eThe dual Vixen\/Losmandy saddle takes almost any telescope, and the mount switches between equatorial and alt-az mode in the app or on the hand controller. A status light shows which mode it's in. For heavier loads, screw a counterweight bar into the M12 port on the declination axis.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/Equatorial-Mode-Alt-azimuth-Mode.jpg?v=1719589684\" alt=\"ZWO AM5N set up in equatorial mode and in alt-azimuth mode\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing the AM5N in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWind on the plains and in the mountains:\u003c\/strong\u003e fill the TC40's weight bag with rocks or a power tank, and keep the tripod legs spread on firm ground.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e ZWO rates the AM5N to -20°C (-4°F). In cold weather, turn on the app's high-load mode and bring extra 12V power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark-sky trips:\u003c\/strong\u003e mount, tripod and a small refractor fit in a car trunk with room to spare, which makes it easy to get away from the Front Range light dome.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required):\u003c\/strong\u003e\u003c\/a\u003e the mount runs on 12V DC. Use the ZWO 12V 5A adapter at home or a 12V power tank in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: controls the mount, camera, guiding and polar alignment from your phone. It's the easiest way to run an AM5N.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-160mm-pier-extension-for-am3-am5\"\u003e\u003cstrong\u003eZWO 160mm\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-200mm-pier-extension-for-am3-am5\"\u003e\u003cstrong\u003e200mm pier extension\u003c\/strong\u003e\u003c\/a\u003e: raises the scope so long refractors and cameras clear the tripod legs near the zenith.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-am5-counterweight-bar\"\u003e\u003cstrong\u003eAM5N counterweight bar\u003c\/strong\u003e\u003c\/a\u003e: needed only above 15kg (33lb), up to 20kg (44lb).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA matching telescope:\u003c\/strong\u003e see the \u003ca href=\"\/products\/zwo-110apo-am5n-bundle\"\u003eFF110 APO + AM5N\u003c\/a\u003e, \u003ca href=\"\/products\/zwo-131apo-am5n-bundle\"\u003eFF131 APO + AM5N\u003c\/a\u003e, \u003ca href=\"\/products\/ultracat-76-am5n-traveler-all-in-one-imaging-kit\"\u003eUltraCat 76\u003c\/a\u003e and \u003ca href=\"\/products\/cat-91-am5n-traveler-all-in-one-imaging-kit\"\u003eCat 91\u003c\/a\u003e kits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eZWO AM3N vs. AM5N vs. AM7\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-am3n-harmonic-drive-equatorial-mount-with-tc40-tripod-17-28-lbs-capacity\"\u003eAM3N\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eAM5N\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-am7\"\u003eAM7\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload, no counterweight\u003c\/td\u003e\n\u003ctd\u003e8kg (17.6lb)\u003c\/td\u003e\n\u003ctd\u003e15kg (33lb)\u003c\/td\u003e\n\u003ctd\u003e20kg (44lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload, with counterweight\u003c\/td\u003e\n\u003ctd\u003e13kg (28.7lb)\u003c\/td\u003e\n\u003ctd\u003e20kg (44lb)\u003c\/td\u003e\n\u003ctd\u003e30kg (66lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount head weight\u003c\/td\u003e\n\u003ctd\u003e4.1kg (9lb)\u003c\/td\u003e\n\u003ctd\u003e5.5kg (12.1lb)\u003c\/td\u003e\n\u003ctd\u003e6.75kg (14.9lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error\u003c\/td\u003e\n\u003ctd\u003e±15″\u003c\/td\u003e\n\u003ctd\u003e±10″\u003c\/td\u003e\n\u003ctd\u003e±10″\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eSmall refractors and travel\u003c\/td\u003e\n\u003ctd\u003eMost imaging setups up to about 130mm refractors\u003c\/td\u003e\n\u003ctd\u003eLarger refractors, SCTs and heavy camera trains\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eChoose the \u003cstrong\u003eAM5N\u003c\/strong\u003e if your telescope, camera and accessories weigh less than 15kg and you want one mount for home and travel. See all \u003ca href=\"\/collections\/zwo-mounts\"\u003eZWO mounts\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO AM5N mount head\u003c\/li\u003e\n\u003cli\u003eHand controller and coiled controller cable\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 cable\u003c\/li\u003e\n\u003cli\u003eAllen key\u003c\/li\u003e\n\u003cli\u003ePeriodic error test report for your mount\u003c\/li\u003e\n\u003cli\u003eZWO TC40 carbon fiber tripod with spreader, spiked feet and weight bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/AM5Npacking.jpg?v=1777509294\" alt=\"ZWO AM5N packing list and box contents\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003e12V power supply, counterweight bar and pier extension are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO AM5N FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the AM5N good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. With no counterweight or balancing, and with the ASIAIR handling polar alignment and guiding, it's one of the easiest equatorial mounts to learn on. It's also capable enough that most owners never outgrow it.\u003c\/p\u003e\n\u003ch3\u003eWhat telescopes can the AM5N carry?\u003c\/h3\u003e\n\u003cp\u003eAnything up to 15kg (33lb) including camera, guide scope and accessories, or 20kg (44lb) with a counterweight. That covers refractors up to about 130mm, RedCat and Cat astrographs, and 6–8\" SCTs.\u003c\/p\u003e\n\u003ch3\u003eDo I need a counterweight?\u003c\/h3\u003e\n\u003cp\u003eNot under 15kg (33lb). Above that, add the \u003ca href=\"\/products\/zwo-am5-counterweight-bar\"\u003eAM5N counterweight bar\u003c\/a\u003e and weights.\u003c\/p\u003e\n\u003ch3\u003eAM5N or AM3N?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/zwo-am3n-harmonic-drive-equatorial-mount-with-tc40-tripod-17-28-lbs-capacity\"\u003eAM3N\u003c\/a\u003e is lighter and less expensive and is ideal for refractors up to about 80mm. The AM5N carries nearly twice the payload and has lower periodic error, so it's the better choice if you plan to move up to a bigger scope.\u003c\/p\u003e\n\u003ch3\u003eAM5N or AM7?\u003c\/h3\u003e\n\u003cp\u003eChoose the \u003ca href=\"\/products\/zwo-am7\"\u003eAM7\u003c\/a\u003e if your setup weighs more than about 15kg or you plan to run a large refractor or SCT. For most single-scope imaging rigs, the AM5N is plenty.\u003c\/p\u003e\n\u003ch3\u003eCan I use it for visual observing?\u003c\/h3\u003e\n\u003cp\u003eYes. Switch to alt-azimuth mode and use the GoTo from the app or hand controller, with no polar alignment.\u003c\/p\u003e\n\u003ch3\u003eDoes it need a power supply?\u003c\/h3\u003e\n\u003cp\u003eYes. It runs on 12V DC, which isn't included. Use the \u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003eZWO 12V 5A adapter\u003c\/a\u003e or a 12V power tank.\u003c\/p\u003e\n\u003ch3\u003eDoes it have a polar scope?\u003c\/h3\u003e\n\u003cp\u003eNo. Polar alignment is done electronically with the ASIAIR or a camera and software like N.I.N.A. It usually takes a couple of minutes.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMount\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eStrain wave (harmonic) GoTo mount, equatorial or alt-azimuth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrive\u003c\/td\u003e\n\u003ctd\u003eStrain wave gear and synchronous belt, 300:1 reduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeriodic error\u003c\/td\u003e\n\u003ctd\u003e±10″, with a measured test report for each mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePayload\u003c\/td\u003e\n\u003ctd\u003e15kg (33lb) without counterweight; 20kg (44lb) with counterweight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLatitude range\u003c\/td\u003e\n\u003ctd\u003e0–90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle\u003c\/td\u003e\n\u003ctd\u003eDual Vixen \/ Losmandy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCounterweight thread\u003c\/td\u003e\n\u003ctd\u003eM12 (bar sold separately)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower-off protection\u003c\/td\u003e\n\u003ctd\u003eBrake holds the axes when power is lost\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eControl and power\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl\u003c\/td\u003e\n\u003ctd\u003eHand controller; ZWO app or ASIAIR over Wi-Fi and Bluetooth; ASCOM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSaddle ports\u003c\/td\u003e\n\u003ctd\u003e12V DC output and USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower input\u003c\/td\u003e\n\u003ctd\u003e12V DC (supply not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e-20°C to 40°C (-4°F to 104°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount head weight\u003c\/td\u003e\n\u003ctd\u003e5.5kg (12.1lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTripod mount\u003c\/td\u003e\n\u003ctd\u003e3\/8\"-16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTC40 tripod\u003c\/td\u003e\n\u003ctd\u003eCarbon fiber, 2.3kg (5.1lb), 50kg (110lb) load capacity, 470–800mm (18.5–31.5 in) height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eAM5N + TC40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45614269432067,"sku":"ZWO-AM5N + TC40","price":1999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ZWO-AM5N_TC40-Tripod.jpg?v=1787773229"},{"product_id":"asi2600mc-air","title":"ZWO ASI2600MC Air Smart Camera with Built-in ASIAIR and Guider","description":"\u003ch2\u003eA cooled APS-C camera, ASIAIR controller and guide camera in one body\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI2600MC Air:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne camera, no guide scope:\u003c\/strong\u003e a second small sensor sits beside the main one and guides through your telescope. AstroBackyard reported excellent guiding with it even at f\/5.6 through a dual-narrowband filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFar fewer cables:\u003c\/strong\u003e the ASIAIR is built in, with 4 USB ports and 3 12V outputs on the camera for your mount, focuser and dew heaters. Setup and teardown are noticeably faster.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame proven sensor, better value:\u003c\/strong\u003e it uses the IMX571 from the ASI2600MC Pro. Buying that camera, an ASIAIR Plus and an ASI220MM Mini separately costs about $200 more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e everything lives in one device, so if it needs service your whole imaging setup is down. It also ties you to the ASIAIR app, and its USB ports are USB 2.0.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI2600MC Air\u003c\/strong\u003e is a cooled one-shot-color astronomy camera with an ASIAIR imaging computer and a guide camera built in. You control the camera, mount, guiding, focuser and plate solving from the ASIAIR app on your phone or tablet, and images save to 256GB of built-in storage. Sky at Night Magazine gave it 4.5 out of 5 and called it less daunting to newcomers than a traditional setup, and that matches what we see from customers moving up from a smart telescope.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX571 APS-C color sensor, 26MP · 3.76µm pixels · built-in guide sensor (SC2210, 0.6e⁻ read noise) · built-in ASIAIR with 256GB storage · cooling to 35°C below ambient · dual-band Wi-Fi and Bluetooth · 4 × USB, 3 × 12V outputs, USB-C · 760g (1.7lb)\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-asi2600mc-air-smart-astronomy-camera-with-built-in-asiair.jpg?v=1791004705\" alt=\"ZWO ASI2600MC Air smart astronomy camera with built-in ASIAIR\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide nebula fields:\u003c\/strong\u003e the North America, Heart and Soul, Rosette, Veil and California Nebulae with a 250–400mm refractor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies:\u003c\/strong\u003e the Andromeda, Triangulum, Whirlpool and Pinwheel Galaxies and M81\/M82 with a 500–1000mm telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebulae from the city:\u003c\/strong\u003e add a dual-band filter such as the \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e and emission nebulae come through from a light-polluted backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar clusters and comets\u003c\/strong\u003e in natural color, in one shot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eMount the camera on your telescope, plug the mount, focuser and dew heater into the camera's own ports, and connect one 12V power cable. The ASIAIR app connects over Wi-Fi (2.4 or 5GHz) and walks you through polar alignment, focusing, plate solving, guiding and an imaging plan. You can also connect a mount over Bluetooth, store images on an external drive of up to 1TB, or run the camera from a computer with ASIStudio or ASCOM Alpaca.\u003c\/p\u003e\n\u003cp\u003eLike other ZWO APS-C cameras, it's designed for 55mm back focus, and the needed spacers are included. Your telescope needs a flat field covering about a 44mm image circle.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/de6a199b7f0b9427aba7cd585bfef729.webp?v=1776292171\" alt=\"ZWO ASI2600MC Air spacer setup for 55mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark-sky trips:\u003c\/strong\u003e with no laptop, guide scope or separate controller, the kit packs small for a drive to Jackson Lake State Park, the Westcliffe area or the mountains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e run everything from one 12V battery, and keep your phone warm since it's your control screen. The camera's cooler holds its set temperature as the night cools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi range:\u003c\/strong\u003e the range is rated at 20m, but in practice plan on staying within about 10m, so it works best from a backyard or right next to the car.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power:\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a 12V power tank in the field. It powers the camera and everything plugged into it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e pairs well and is controlled directly by the built-in ASIAIR.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: plugs into the camera and refocuses automatically as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dual-band filter:\u003c\/strong\u003e the \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-l-ultimate-filter\"\u003eL-Ultimate\u003c\/a\u003e for nebulae under light pollution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI2600MC Air vs. ASI2600MC Pro setup\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI2600MC Air\u003c\/th\u003e\n\u003cth\u003e\n\u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e + ASIAIR Plus + guide camera\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain sensor\u003c\/td\u003e\n\u003ctd\u003eIMX571 color\u003c\/td\u003e\n\u003ctd\u003eIMX571 color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor, through your telescope\u003c\/td\u003e\n\u003ctd\u003eSeparate guide camera and guide scope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003eBuilt-in ASIAIR, 256GB\u003c\/td\u003e\n\u003ctd\u003eSeparate \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e or a computer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCables on the scope\u003c\/td\u003e\n\u003ctd\u003eFewest\u003c\/td\u003e\n\u003ctd\u003eMore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware choice\u003c\/td\u003e\n\u003ctd\u003eASIAIR app (plus ASIStudio or ASCOM Alpaca)\u003c\/td\u003e\n\u003ctd\u003eAny software\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpgrade path\u003c\/td\u003e\n\u003ctd\u003eUpgrade as one unit\u003c\/td\u003e\n\u003ctd\u003eUpgrade each part separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$1,999\u003c\/td\u003e\n\u003ctd\u003eAbout $2,200 for all three\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/1666736065f32d2f23857e2cadc16f6b.webp?v=1776292171\" alt=\"ZWO ASI2600MC Air box contents\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe camera comes with the cables, M54 spacers and M48 adapter ring shown above. Filters and the mount are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI2600MC Air FAQ\u003c\/h2\u003e\n\u003ch3\u003eDo I still need a guide scope?\u003c\/h3\u003e\n\u003cp\u003eNo. The built-in guide sensor sits next to the main sensor and guides through your telescope, like an off-axis guider without the extra hardware.\u003c\/p\u003e\n\u003ch3\u003eDo I need a computer?\u003c\/h3\u003e\n\u003cp\u003eNo. The built-in ASIAIR runs everything from the free ASIAIR app on a phone or tablet. You can still use ASIStudio or ASCOM Alpaca software on a computer if you prefer.\u003c\/p\u003e\n\u003ch3\u003eIs it good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's one of the simplest ways into dedicated astrophotography, because there are fewer parts to connect and the app guides each step. It's a good next step after a Seestar or other smart telescope.\u003c\/p\u003e\n\u003ch3\u003eAir or MC Pro?\u003c\/h3\u003e\n\u003cp\u003eChoose the Air for the simplest, lightest setup. Choose the \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e if you want to use other software, already own an ASIAIR or guide camera, or prefer to upgrade parts one at a time.\u003c\/p\u003e\n\u003ch3\u003eDoes the guide sensor work with narrowband filters?\u003c\/h3\u003e\n\u003cp\u003eYes. Reviewers have guided well with it through dual-narrowband filters at f\/5.6.\u003c\/p\u003e\n\u003ch3\u003eWhere are images saved?\u003c\/h3\u003e\n\u003cp\u003eOn 256GB of built-in storage, or on an external USB drive of up to 1TB. You can download them to your phone or computer over Wi-Fi.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMain sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX571, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eAPS-C, 23.5 × 15.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e26MP, 6248 × 4176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e73,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e32ms to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003e35°C below ambient\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eGuide sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSC2210, 1\/1.8\", mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 × 1080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e92% at 500nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.6e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eBuilt-in ASIAIR and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e256GB built-in; external USB drives up to 1TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eDual-band 2.4\/5GHz Wi-Fi; Bluetooth mount connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e4 × USB 2.0, 3 × 12V DC outputs (10A total), 1 × USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eASIAIR app; ASIStudio; ASCOM Alpaca\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003eDesigned for 55mm with included spacers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e98 × 90mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e760g (1.7lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI2600MC-Air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45862017302787,"sku":"ZWO-ASI2600MC-Air","price":1799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-asi2600mc-air-smart-astronomy-camera-with-built-in-asiair.jpg?v=1791004705"},{"product_id":"asi662mc-color","title":"ZWO ASI662MC Color Planetary Camera","description":"\u003ch2\u003eAn affordable, fast planetary camera that also guides\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI662MC:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA low-cost start in planetary imaging:\u003c\/strong\u003e the same 2.9µm pixel size as the ASI585MC on a smaller, less expensive 1080p sensor, with read noise down to 0.8e⁻ and zero amp glow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVery fast:\u003c\/strong\u003e up to 107.6 frames per second at full 1920 × 1080, so you collect more frames in the moments of steady air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo jobs in one:\u003c\/strong\u003e a sensitive STARVIS 2 sensor and an ST4 port make it a capable guide camera when it isn't on the planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the 5.6 × 3.1mm sensor gives a small field, so the whole Moon won't fit on most telescopes. For lunar and solar disks, the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e or \u003ca href=\"\/products\/asi664mc-color\"\u003eASI664MC\u003c\/a\u003e covers more sky.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI662MC\u003c\/strong\u003e is a color planetary camera built on Sony's 2.1-megapixel IMX662 STARVIS 2 sensor. It records high-speed video of Jupiter, Saturn, Mars and the Moon that stacking software turns into sharp images, and it doubles as a guide camera for deep-sky imaging. It replaces the ASI462MC with a deeper full well (38.2ke⁻), higher QE and no amp glow. It slides into any 1.25-inch focuser with the included nosepiece, threads onto M42 adapters, runs from one USB cable and weighs 126g (4.4oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX662 STARVIS 2 color sensor, 1\/2.8\" (5.6 × 3.1mm) · 2.1MP (1920 × 1080) · 2.9µm pixels · read noise 0.8e⁻ at high gain · 38.2ke⁻ full well · 91% peak QE · 107.6 fps at full resolution · zero amp glow · USB 3.0 with 256MB buffer · 126g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5010c9f56f904a57ef991d10f874a7f6-2_jpg.webp?v=1763672933\" alt=\"ZWO ASI662MC color planetary camera, red body with USB 3.0 and ST4 ports\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can capture\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanets:\u003c\/strong\u003e Jupiter's cloud belts and moons, Saturn's rings and Cassini Division, and Mars near opposition. On an 8-inch SCT at f\/15 (with a 1.5x Barlow) the field is about 6.3′ × 3.5′, plenty for any planet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon:\u003c\/strong\u003e detailed views of individual craters and mountain ranges. On an 8-inch SCT at f\/10 the field is about 9.4′ × 5.3′.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Sun:\u003c\/strong\u003e sunspots and granulation with a white-light solar filter, or prominences through a hydrogen-alpha solar telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuide stars:\u003c\/strong\u003e on a \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5 guide scope\u003c\/a\u003e (150mm) the field is about 2.1° × 1.2° at 4 arc-seconds per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright deep-sky objects:\u003c\/strong\u003e live-stacked views of bright nebulae and globular clusters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003ePlug the camera into a laptop's USB 3.0 port with the included 2m cable, put it in your focuser with the 1.25\" nosepiece, and record short video clips in free software such as FireCapture, SharpCap or ZWO's ASIStudio. AutoStakkert! keeps the sharpest frames and stacks them. No separate power supply is needed.\u003c\/p\u003e\n\u003cp\u003eFor planets, aim for about f\/12 to f\/15 with these 2.9µm pixels. That's an 8-inch SCT with a 1.5x Barlow, an f\/6 refractor with a 2.5x \u003ca href=\"\/products\/televue-2-5x-1-1-4-powermate\"\u003eTele Vue Powermate\u003c\/a\u003e, or an f\/5 Newtonian with a 3x Barlow. High Conversion Gain (HCG) mode turns on automatically at gain 200 to keep read noise low. The sensor sits 12.5mm behind the front of the camera.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/18d47e31b2f83be3273398eb8f2c5880_jpg.webp?v=1724456798\" alt=\"ASI662MC dimension drawing: 62mm body, M42 x 0.75 thread and 12.5mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003e\u003cstrong\u003eZWO IR cut filter (1.25\")\u003c\/strong\u003e\u003c\/a\u003e: for natural color and sharper focus, especially on refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Barlow or Powermate:\u003c\/strong\u003e the \u003ca href=\"\/products\/televue-2-5x-1-1-4-powermate\"\u003eTele Vue 2.5x Powermate\u003c\/a\u003e or \u003ca href=\"\/products\/celestron-3x-1-25-x-cel-lx-barlow-lens\"\u003eCelestron 3x X-Cel LX Barlow\u003c\/a\u003e to reach about f\/15 on faster telescopes.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-atmospheric-dispersion-corrector\"\u003e\u003cstrong\u003eZWO Atmospheric Dispersion Corrector\u003c\/strong\u003e\u003c\/a\u003e: removes the color fringing on planets low in the sky.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA solar filter (required for the Sun):\u003c\/strong\u003e a full-aperture white-light filter such as the \u003ca href=\"\/products\/celestron-eclipsmart-solar-filter-8-sct-edgehd\"\u003eEclipSmart filter for 8\" SCTs\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003e\u003cstrong\u003eZWO 30F5 guide scope\u003c\/strong\u003e\u003c\/a\u003e: if you'll also use it for guiding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI662MC vs. ASI715MC vs. ASI664MC vs. ASI585MC\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI662MC\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi664mc-color\"\u003eASI664MC\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX662, 1\/2.8\"\u003c\/td\u003e\n\u003ctd\u003eIMX715, 1\/2.8\"\u003c\/td\u003e\n\u003ctd\u003eIMX664, 1\/1.8\"\u003c\/td\u003e\n\u003ctd\u003eIMX585, 1\/1.2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 × 1080 (2.1MP)\u003c\/td\u003e\n\u003ctd\u003e3864 × 2192 (8.5MP)\u003c\/td\u003e\n\u003ctd\u003e2704 × 1536 (4.2MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003ctd\u003e1.45µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e38.2ke⁻\u003c\/td\u003e\n\u003ctd\u003e6.03ke⁻\u003c\/td\u003e\n\u003ctd\u003e36.5ke⁻\u003c\/td\u003e\n\u003ctd\u003e40ke⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e107.6 fps\u003c\/td\u003e\n\u003ctd\u003e45.1 fps\u003c\/td\u003e\n\u003ctd\u003e95 fps\u003c\/td\u003e\n\u003ctd\u003e46.9 fps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003ePlanets on a budget, and guiding\u003c\/td\u003e\n\u003ctd\u003ePlanets on short telescopes without a Barlow\u003c\/td\u003e\n\u003ctd\u003eA bigger field at high speed\u003c\/td\u003e\n\u003ctd\u003eMoon, Sun and planets with the widest field\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-planetary-all-sky-cameras\"\u003eZWO planetary and all-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/a9beacb48d8c8a7f614bfbc5aa797c02_jpg.webp?v=1724456888\" alt=\"ASI662MC box contents: camera body, 1.25 inch cover, ST4 cable, nosepiece, quick guide and USB 3.0 cable\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI662MC camera\u003c\/li\u003e\n\u003cli\u003eFront cover\u003c\/li\u003e\n\u003cli\u003eSmall wide-angle lens (threads onto the camera front)\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m)\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilters, Barlows and the telescope are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI662MC FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI662MC good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's one of the least expensive ways into planetary imaging: USB-powered, color, and it fits any 1.25\" focuser. Its small sensor means you'll need to center the planet carefully, so a GoTo mount that tracks well helps.\u003c\/p\u003e\n\u003ch3\u003eWhich camera is best for Jupiter and Saturn?\u003c\/h3\u003e\n\u003cp\u003eOn an 8-inch or larger telescope with a Barlow, the ASI662MC does an excellent job for the money. On a short refractor with no Barlow, the \u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e's 1.45µm pixels give a larger image. If you also want the Moon and Sun, step up to the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eASI662MC or ASI664MC?\u003c\/h3\u003e\n\u003cp\u003eBoth have 2.9µm pixels. The \u003ca href=\"\/products\/asi664mc-color\"\u003eASI664MC\u003c\/a\u003e has a larger sensor (7.8 × 4.5mm) and lower read noise, so it frames more of the Moon and is easier to keep a planet on. The ASI662MC costs less and is a little faster.\u003c\/p\u003e\n\u003ch3\u003eCan I use it as a guide camera?\u003c\/h3\u003e\n\u003cp\u003eYes. It has an ST4 port and guides over USB with PHD2 or ASIAIR. On a 30mm guide scope it covers about 2.1° × 1.2°, which is plenty to find guide stars.\u003c\/p\u003e\n\u003ch3\u003eCan I image the Sun with it?\u003c\/h3\u003e\n\u003cp\u003eYes, but only with proper solar filtering on the telescope: a full-aperture white-light filter or a dedicated hydrogen-alpha solar telescope. Never point a telescope at the Sun without one.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX662 STARVIS 2, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/2.8\", 5.6 × 3.1mm (6.45mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e2.1MP, 1920 × 1080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter\u003c\/td\u003e\n\u003ctd\u003eRolling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.8–6.9e⁻ (HCG mode from gain 200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e38,200e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e107.6 fps at 1920 × 1080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNone (uncooled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eST4 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated, 21mm × 1mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and power\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e1.25\" nosepiece; M42 × 0.75 front thread; 1\/4\"-20 tripod hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e12.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e62mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e126g (4.4oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI662MC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45871091613955,"sku":"ZWO-ASI662MC","price":179.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5010c9f56f904a57ef991d10f874a7f6-2_jpg.webp?v=1763672933"},{"product_id":"zwo-lrgb-filters","title":"ZWO LRGB Filter Set for Mono Cameras (1.25\" or 2\")","description":"\u003ch2\u003eTrue-color galaxies, clusters and star fields from a mono camera\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ZWO LRGB set:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBalanced color out of the gate:\u003c\/strong\u003e ZWO designs the red, green and blue filters so they combine at roughly equal 1:1:1 weights, which makes color calibration simpler.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright passbands:\u003c\/strong\u003e over 92% transmission across each band, with infrared from 700 to 1100nm blocked so stars stay tight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA small light-pollution gap:\u003c\/strong\u003e green and red stop short of each other around 580-590nm, where mercury and sodium streetlights emit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e these are broadband filters, so they don't remove skyglow the way narrowband does. For nebulae from the city, pair them with a \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003e7nm SHO set\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO LRGB Filter Set\u003c\/strong\u003e is four filters, luminance, red, green and blue, for building full-color images with a monochrome camera. You shoot each filter in turn, usually through a filter wheel, and combine them in processing: luminance carries the fine detail and RGB adds the color. We carry the set in 1.25\" (M28.5 threads) for small-sensor cameras and 2\" (M48 threads) for APS-C and full-frame sensors. ZWO also makes 31mm and 36mm unmounted versions, which we don't stock.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e L, R, G and B filters · over 92% passband transmission · 700-1100nm infrared blocked · RGB weights about 1:1:1 · 1\/4-wave polished, multilayer anti-reflection coated · 1.25\" (1.9mm glass) or 2\" (1.85mm glass) mounted\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/244dd0c9d44f429fb210dde18c8f97ac-2_jpg.webp?v=1764106601\" alt=\"ZWO New 1.25-inch LRGB filter set in its four-slot storage case with box\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies:\u003c\/strong\u003e Andromeda (M31), the Whirlpool (M51), Bode's and the Cigar (M81 and M82), the Pinwheel (M101) and the Leo Triplet, with luminance bringing out spiral arms and dust lanes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar clusters:\u003c\/strong\u003e the Pleiades (M45), the Double Cluster and globulars like M13 in Hercules, where star color is the whole point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReflection and dark nebulae:\u003c\/strong\u003e the Iris Nebula, the dusty areas around Rho Ophiuchi and the blue reflection nebulae of the Pleiades, which narrowband filters can't record.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural star color for narrowband images:\u003c\/strong\u003e a short set of RGB frames gives true-color stars to blend into an SHO or HOO nebula image.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eEach color filter passes about a third of the visible spectrum: blue from roughly 400 to 500nm, green from about 500 to 575nm and red from about 590 to 700nm, as ZWO's transmission curve shows. The luminance filter passes the whole 400-700nm range at once. Because luminance collects light three times faster than any one color, a common plan is to spend about half your time on L and split the rest between R, G and B, then combine them as an LRGB image.\u003c\/p\u003e\n\u003cp\u003eZWO keeps the glass thickness tightly controlled (1.9 ±0.03mm on the 1.25\" filters) so focus shifts little between filters. Small offsets still happen, especially with refractors, so an electronic focuser and filter offsets in your capture software are worth setting up.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/06876108f6ea7e5e54affe24bf0654a4-4_jpg.webp?v=1727303718\" alt=\"ZWO LRGB transmission curves: luminance 400-700nm, blue, green and red bands near 95%, with a gap near the sodium line\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhich size do you need?\u003c\/h2\u003e\n\u003cp\u003eMatch the filter size to your camera's sensor and filter wheel. ZWO pairs its 1.25\" and 31mm wheels with 4\/3-inch, 1-inch and smaller cameras, recommends 2\" or 36mm filters for APS-C, and only 2\" for full frame.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1.25\" (up to about a 1-inch sensor):\u003c\/strong\u003e the \u003ca href=\"\/products\/asi533mm-pro-mono\"\u003eASI533MM Pro\u003c\/a\u003e, \u003ca href=\"\/products\/asi585mm-mono\"\u003eASI585MM\u003c\/a\u003e, \u003ca href=\"\/products\/asi678mm-mono\"\u003eASI678MM\u003c\/a\u003e and \u003ca href=\"\/products\/asi174mm-mini\"\u003eASI174MM Mini\u003c\/a\u003e. Use it in the \u003ca href=\"\/products\/zwo-5-position-efw-5x1-25-2025\"\u003eEFW 5x1.25\"\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-8-position-efw-8x1-25-2025\"\u003eEFW 8x1.25\"\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2\" (APS-C and full frame):\u003c\/strong\u003e the \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e, \u003ca href=\"\/products\/asi2600mm-air-mono\"\u003eASI2600MM Air\u003c\/a\u003e and \u003ca href=\"\/products\/asi6200mm-pro-monochrome\"\u003eASI6200MM Pro\u003c\/a\u003e. The \u003ca href=\"\/products\/asi585mm-air\"\u003eASI585MM Air\u003c\/a\u003e also needs 2\" filters because its guide sensor shares the light path. Use them in the \u003ca href=\"\/products\/zwo-5-position-efw-5x2-2025\"\u003eEFW 5x2\"\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003eEFW 7x2\"\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e36mm (4\/3-inch and APS-C):\u003c\/strong\u003e for the \u003ca href=\"\/products\/zwo-7-position-efw-7x36mm-2025\"\u003eEFW 7x36mm\u003c\/a\u003e, we carry the \u003ca href=\"\/products\/optolong-lrgb-filters-4-pieces\"\u003eOptolong LRGB set\u003c\/a\u003e in 36mm unmounted.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cp\u003eBroadband filters collect skyglow along with the target, so from Denver-area backyards LRGB works best on moonless nights and on brighter galaxies and clusters. A trip to darker skies, such as the Westcliffe and Silver Cliff area or the eastern plains, makes the biggest difference for faint galaxies. Many Front Range imagers shoot narrowband from home and save LRGB nights for darker sites.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mono camera (required):\u003c\/strong\u003e the \u003ca href=\"\/products\/asi533mm-pro-mono\"\u003eZWO ASI533MM Pro\u003c\/a\u003e pairs with the 1.25\" set; the \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e pairs with the 2\" set.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA filter wheel:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-8-position-efw-8x1-25-2025\"\u003eEFW 8x1.25\"\u003c\/a\u003e holds this set plus SHO with one slot spare; for 2\", the \u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003eEFW 7x2\"\u003c\/a\u003e does the same.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003e\u003cstrong\u003eZWO 7nm SHO narrowband set (1.25\" or 2\")\u003c\/strong\u003e\u003c\/a\u003e: adds hydrogen-alpha, OIII and SII for emission nebulae under city skies.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs filter sequences and autofocus from your phone or tablet.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically when the filter changes or the temperature drops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompare color filter options for mono cameras\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eZWO LRGB set\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/optolong-lrgb-filters-4-pieces\"\u003eOptolong LRGB set\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters\u003c\/td\u003e\n\u003ctd\u003eL, R, G, B (4 filters)\u003c\/td\u003e\n\u003ctd\u003eL, R, G, B (4 filters)\u003c\/td\u003e\n\u003ctd\u003eHa, OIII, SII (3 filters)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eBroadband color\u003c\/td\u003e\n\u003ctd\u003eBroadband color\u003c\/td\u003e\n\u003ctd\u003e7nm narrowband\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes we carry\u003c\/td\u003e\n\u003ctd\u003e1.25\" or 2\" mounted\u003c\/td\u003e\n\u003ctd\u003e1.25\" or 2\" mounted, 36mm unmounted\u003c\/td\u003e\n\u003ctd\u003e1.25\" or 2\" mounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eGalaxies, clusters and star color with ZWO cameras and wheels\u003c\/td\u003e\n\u003ctd\u003eThe same targets, or 36mm filters for the EFW 7x36mm\u003c\/td\u003e\n\u003ctd\u003eEmission nebulae from light-polluted skies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/filters\"\u003eastronomy filters\u003c\/a\u003e and \u003ca href=\"\/collections\/filter-wheels-drawers\"\u003efilter wheels and drawers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO luminance filter\u003c\/li\u003e\n\u003cli\u003eZWO red filter\u003c\/li\u003e\n\u003cli\u003eZWO green filter\u003c\/li\u003e\n\u003cli\u003eZWO blue filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAll four come in the size you choose (1.25\" or 2\" mounted). The 1.25\" set comes in a four-slot plastic storage case. The camera and filter wheel are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO LRGB Filters FAQ\u003c\/h2\u003e\n\u003ch3\u003eDo I need LRGB filters with a color camera?\u003c\/h3\u003e\n\u003cp\u003eNo. A one-shot color camera already has red, green and blue filters built onto its sensor. LRGB filters are for monochrome cameras, which trade convenience for sharper detail and more flexibility.\u003c\/p\u003e\n\u003ch3\u003e1.25\" or 2\"?\u003c\/h3\u003e\n\u003cp\u003eMatch the filter to your sensor. 1.25\" covers sensors up to about 1 inch, like the ASI533MM Pro and ASI585MM. APS-C and full-frame sensors, like the ASI2600MM Pro and ASI6200MM Pro, need 2\".\u003c\/p\u003e\n\u003ch3\u003eWhich side faces the telescope?\u003c\/h3\u003e\n\u003cp\u003eZWO marks it by coating: the side with the multilayer coating (a blue reflection at the edge) faces the telescope, and the side with the anti-reflection coating (a yellow-green reflection) faces the camera.\u003c\/p\u003e\n\u003ch3\u003eAre the filters parfocal?\u003c\/h3\u003e\n\u003cp\u003eClose. The glass is held to a tight thickness so focus changes are small, but we still recommend autofocus or per-filter focus offsets, especially with refractors.\u003c\/p\u003e\n\u003ch3\u003eWill these filters help with light pollution?\u003c\/h3\u003e\n\u003cp\u003eA little. The gap between green and red skips the main sodium and mercury streetlight lines, but broadband filters still let most skyglow through. For nebulae under bright skies, narrowband filters do far more.\u003c\/p\u003e\n\u003ch3\u003eHow should I split my imaging time?\u003c\/h3\u003e\n\u003cp\u003eA common starting point is about half the total on luminance and the rest divided evenly among red, green and blue. Under bright skies some imagers skip L and shoot RGB only.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eOptical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters\u003c\/td\u003e\n\u003ctd\u003eLuminance, red, green, blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePassband transmission\u003c\/td\u003e\n\u003ctd\u003eOver 92%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInfrared\u003c\/td\u003e\n\u003ctd\u003e700-1100nm blocked\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor balance\u003c\/td\u003e\n\u003ctd\u003eRGB combine weights about 1:1:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurface accuracy\u003c\/td\u003e\n\u003ctd\u003e1\/4 wave, multilayer anti-reflection coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003e1.25\" version\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell\u003c\/td\u003e\n\u003ctd\u003eMounted, M28.5 × 0.6 thread, 5.5mm cell plus 2.5mm thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass thickness\u003c\/td\u003e\n\u003ctd\u003e1.9 ±0.03mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003e2\" version\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCell\u003c\/td\u003e\n\u003ctd\u003eMounted, M48 × 0.75 thread, 5mm cell plus 2.5mm thread, 50.8mm outside diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlass thickness\u003c\/td\u003e\n\u003ctd\u003e1.85mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eModel\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eZWO-LRGB1.25NEW (1.25\"), ZWO-LRGB2 (2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"1.25\"","offer_id":46430844387587,"sku":"ZWO-LRGB1.25NEW","price":148.0,"currency_code":"USD","in_stock":false},{"title":"2\"","offer_id":46430844420355,"sku":"ZWO-LRGB2","price":299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/244dd0c9d44f429fb210dde18c8f97ac-2_jpg.webp?v=1764106601"},{"product_id":"zwo-filter-drawer-for-nikon-lens","title":"ZWO 2\" Filter Drawer for Nikon F Lenses","description":"\u003ch2\u003ePut a Nikon lens and a 2\" filter on your ZWO cooled camera\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ZWO filter drawer for Nikon lenses:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens adapter and filter slot in one:\u003c\/strong\u003e a Nikon F bayonet on the front, a 2\" filter drawer in the middle and an M42 thread on the back, so one part turns a camera lens into a wide-field astrograph with a filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack focus already worked out:\u003c\/strong\u003e 29mm of drawer plus the 17.5mm back focus of a ZWO cooled camera is exactly 46.5mm, Nikon F's flange distance, so lenses reach infinity focus with no spacers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide fields with a nebula filter:\u003c\/strong\u003e pair a 135mm lens with an ASI2600MC Pro and a duo-band filter and you get about 10° × 6.6°, enough for the whole Cygnus or Orion region.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e it fits ZWO cameras with 17.5mm back focus, not the GT series. Full-frame ASI6200 and ASI2400 cameras use the included M54M-M42F adapter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO Filter Drawer for Nikon Lens (FD-Nikon)\u003c\/strong\u003e connects a Nikon F-mount camera lens to a ZWO cooled astronomy camera and holds one 2\" mounted filter in a pull-out holder. ZWO lists it for its ASI1600, 294, 183, 071, 533, 2600, 6200 and 2400 cooled cameras, including the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e and \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e. It's 70mm across and 29mm thick.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Nikon F lens bayonet · M42 × 0.75 male camera thread · 29mm thick (46.5mm with a 17.5mm ZWO camera) · holds one 2\" mounted filter (M48 × 0.75) · double magnets plus lock screw · M54M-M42F adapter included\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/a51807c9057231c5ddf2086cb24bfa1b_jpg.webp?v=1727305362\" alt=\"ZWO FD-Nikon filter drawer, front view of the Nikon F bayonet and filter holder knob\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig nebula regions:\u003c\/strong\u003e the North America and Pelican nebulae, the Heart and Soul, Barnard's Loop and the Orion complex fit in one frame at 85 to 135mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilky Way star fields:\u003c\/strong\u003e the Sagittarius and Scutum star clouds and Rho Ophiuchi with a UV\/IR cut filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAndromeda and the Pleiades:\u003c\/strong\u003e M31 fills a good part of the frame at 200mm on an APS-C sensor.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThread the drawer's M42 male side into your camera, mount the lens on the Nikon bayonet, and slide a 2\" filter in its holder into the drawer. Magnets pull the holder into place and the side lock screw takes up any play. Focus manually on a bright star, ideally with a Bahtinov mask.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/85920d0ea71eaeaaaa14b4f8b903c8e2-1024x789_png.webp?v=1727305484\" alt=\"ZWO connection diagram: ASI cooled camera at 17.5mm, 29mm filter drawer, Nikon lens, optional M54M-M42F adapter for full-frame\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eUsing a third-party filter? ZWO says its cell must be under 50.8mm in diameter and under 7.5mm tall, with an M48 × 0.75 thread no longer than 2.7mm.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-filter-holder-for-m42-m54-and-eos-nikon-filter-drawer\"\u003e\u003cstrong\u003eExtra 2\" filter holders\u003c\/strong\u003e\u003c\/a\u003e: keep each filter in its own holder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA 2\" filter:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band filter\u003c\/a\u003e (2\" size) or \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e (2\") for nebulae, and the \u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003eZWO IR Cut filter\u003c\/a\u003e (2\") for star fields and galaxies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA camera:\u003c\/strong\u003e the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e (square sensor, easy framing) or \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e (APS-C, wider fields).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, plate solving and a tracking mount from your phone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich ZWO filter drawer do you need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m42\"\u003eZWO M42 drawer\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m54\"\u003eZWO M54 drawer\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eZWO drawer for Nikon lens\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-eos-lens\"\u003eZWO drawer for Canon EOS lens\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera side\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront side\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 female\u003c\/td\u003e\n\u003ctd\u003eNikon F lens bayonet\u003c\/td\u003e\n\u003ctd\u003eCanon EF lens bayonet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003ctd\u003e26.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter included\u003c\/td\u003e\n\u003ctd\u003eM48-M42F\u003c\/td\u003e\n\u003ctd\u003eM54M-M48F (2mm)\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eTelescopes with 4\/3\" to APS-C cameras\u003c\/td\u003e\n\u003ctd\u003eTelescopes with full-frame or M54-front cameras\u003c\/td\u003e\n\u003ctd\u003eNikon F camera lenses\u003c\/td\u003e\n\u003ctd\u003eCanon EF camera lenses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAll four take the same Gen 2 filter holder. See all \u003ca href=\"\/collections\/filter-wheels-drawers\"\u003efilter wheels and drawers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO filter drawer for Nikon lens with one 2\" filter holder\u003c\/li\u003e\n\u003cli\u003eM54M-M42F adapter (for full-frame ASI6200 and ASI2400 cameras)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5178c3d764ce20ddc8c9e3f7e380ace1_jpg.webp?v=1727305583\" alt=\"ZWO filter drawer for Nikon lens and M54M-M42F adapter ring\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eLens, camera and filters are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO Filter Drawer for Nikon Lens FAQ\u003c\/h2\u003e\n\u003ch3\u003eWhich ZWO cameras does it fit?\u003c\/h3\u003e\n\u003cp\u003eZWO cooled cameras with 17.5mm back focus: the ASI1600, 294, 183, 533, 071, 2600, 6200 and 2400. It doesn't fit the GT series. The full-frame ASI6200 and ASI2400 connect through the included M54M-M42F adapter.\u003c\/p\u003e\n\u003ch3\u003eWhich Nikon lenses work best?\u003c\/h3\u003e\n\u003cp\u003eManual-focus lenses, or lenses with a manual aperture ring, are the easiest. Lenses without an aperture ring (Nikon G and E types) can't be stopped down on a simple adapter, so check before you buy one for this.\u003c\/p\u003e\n\u003ch3\u003eWill the lens reach infinity focus?\u003c\/h3\u003e\n\u003cp\u003eYes. The drawer's 29mm plus the camera's 17.5mm equals Nikon F's 46.5mm flange distance. A filter shifts focus slightly, which the lens's focus ring takes up.\u003c\/p\u003e\n\u003ch3\u003eNikon or Canon EOS drawer?\u003c\/h3\u003e\n\u003cp\u003eBuy the one that matches the lenses you own. The \u003ca href=\"\/products\/zwo-filter-drawer-for-eos-lens\"\u003eEOS version\u003c\/a\u003e is 26.5mm thick to match Canon EF's 44mm flange distance; otherwise they work the same way.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e29mm ±0.1 (plus 4mm M42 male thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera-side clear opening\u003c\/td\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter capacity\u003c\/td\u003e\n\u003ctd\u003eOne 2\" mounted filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolder retention\u003c\/td\u003e\n\u003ctd\u003eTwo magnets plus side lock screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eConnections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens side\u003c\/td\u003e\n\u003ctd\u003eNikon F bayonet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera side\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter holder\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThird-party filters\u003c\/td\u003e\n\u003ctd\u003eCell under 50.8mm diameter and 7.5mm tall; M48 thread 2.7mm long or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCompatibility\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCameras\u003c\/td\u003e\n\u003ctd\u003eZWO ASI cooled cameras with 17.5mm back focus (not GT series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter holder\u003c\/td\u003e\n\u003ctd\u003eZWO Gen 2 holder (F-HLDR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eFD-Nikon \/ ZWO-FD-Nikon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45974747349251,"sku":"ZWO-FD-Nikon","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/b0b18cddad722faed28437c19876b4b9_jpg.webp?v=1758141991"},{"product_id":"zwo-filter-drawer-for-eos-lens","title":"ZWO 2\" Filter Drawer for Canon EOS (EF) Lenses","description":"\u003ch2\u003ePut a Canon EF lens and a 2\" filter on your ZWO cooled camera\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ZWO filter drawer for Canon EOS lenses:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens adapter and filter slot in one:\u003c\/strong\u003e a Canon EF bayonet on the front, a 2\" filter drawer in the middle and an M42 thread on the back, so your camera lenses become wide-field astrographs with a filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBack focus already worked out:\u003c\/strong\u003e 26.5mm of drawer plus the 17.5mm back focus of a ZWO cooled camera is exactly 44mm, Canon EF's flange distance. No spacers to figure out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide fields with a nebula filter:\u003c\/strong\u003e a 200mm lens on an ASI533MC Pro with a duo-band filter frames about 3.2° square, a nice fit for the Rosette, the Heart or the Veil.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e EF lenses get no power from the drawer, so the aperture stays wide open and autofocus is off. Lenses that focus by wire (many STM and some USM lenses) may not focus at all without power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO Filter Drawer for Canon EOS Lens (FD-EOS)\u003c\/strong\u003e connects a Canon EF camera lens to a ZWO cooled astronomy camera and holds one 2\" mounted filter in a pull-out holder. It fits ZWO cooled cameras with 17.5mm back focus such as the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e and \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e. It's 70mm across and 26.5mm thick.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Canon EF lens bayonet · M42 × 0.75 male camera thread · 26.5mm thick (44mm with a 17.5mm ZWO camera) · holds one 2\" mounted filter (M48 × 0.75) · double magnets plus lock screw · M54M-M42F adapter included\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/c620d267db9e9eead0a1f06e1dbb3600_jpg.webp?v=1727305674\" alt=\"ZWO FD-EOS filter drawer with Canon EF bayonet and filter holder knob\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig nebula regions:\u003c\/strong\u003e the North America and Pelican nebulae, the Heart and Soul, and the Orion complex at 85 to 135mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle large nebulae:\u003c\/strong\u003e the Rosette, the Veil and the California Nebula at 200 to 300mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies and clusters:\u003c\/strong\u003e Andromeda, the Pleiades and the Double Cluster with a UV\/IR cut filter.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThread the drawer's M42 male side into your camera, mount the lens on the EF bayonet, and slide a 2\" filter in its holder into the drawer. Magnets pull the holder in and the side lock screw takes up any play. Focus manually on a bright star, ideally with a Bahtinov mask. If you want to stop a fast lens down, a step-down ring or aperture mask on the front of the lens does it.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/4130b16a9d9598ac943249144b67ead3_jpg.webp?v=1727305767\" alt=\"ZWO connection diagram: ASI cooled camera at 17.5mm, 26.5mm drawer for EOS lens, Canon lens, optional M54M-M42F adapter\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eUsing a third-party filter? ZWO says its cell must be under 50.8mm in diameter and under 7.5mm tall, with an M48 × 0.75 thread no longer than 2.7mm.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-filter-holder-for-m42-m54-and-eos-nikon-filter-drawer\"\u003e\u003cstrong\u003eExtra 2\" filter holders\u003c\/strong\u003e\u003c\/a\u003e: keep each filter in its own holder.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA 2\" filter:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band filter\u003c\/a\u003e (2\" size) or \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e (2\") for nebulae, and the \u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003eZWO IR Cut filter\u003c\/a\u003e (2\") for galaxies and star fields.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA camera:\u003c\/strong\u003e the \u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e or \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, plate solving and a tracking mount from your phone.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich ZWO filter drawer do you need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m42\"\u003eZWO M42 drawer\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m54\"\u003eZWO M54 drawer\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-filter-drawer-for-nikon-lens\"\u003eZWO drawer for Nikon lens\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003eZWO drawer for Canon EOS lens\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera side\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront side\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 female\u003c\/td\u003e\n\u003ctd\u003eNikon F lens bayonet\u003c\/td\u003e\n\u003ctd\u003eCanon EF lens bayonet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e21mm\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e29mm\u003c\/td\u003e\n\u003ctd\u003e26.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdapter included\u003c\/td\u003e\n\u003ctd\u003eM48-M42F\u003c\/td\u003e\n\u003ctd\u003eM54M-M48F (2mm)\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F\u003c\/td\u003e\n\u003ctd\u003eM54M-M42F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eTelescopes with 4\/3\" to APS-C cameras\u003c\/td\u003e\n\u003ctd\u003eTelescopes with full-frame or M54-front cameras\u003c\/td\u003e\n\u003ctd\u003eNikon F camera lenses\u003c\/td\u003e\n\u003ctd\u003eCanon EF camera lenses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eAll four take the same Gen 2 filter holder. See all \u003ca href=\"\/collections\/filter-wheels-drawers\"\u003efilter wheels and drawers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO filter drawer for EOS lens with one 2\" filter holder\u003c\/li\u003e\n\u003cli\u003eM54M-M42F adapter (for full-frame ASI6200 and ASI2400 cameras)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/13d62852f2207acdda03e3ce076bdeb3_png.webp?v=1727305858\" alt=\"ZWO filter drawer for Canon EOS lens shown with the M54M-M42F adapter ring\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eLens, camera and filters are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO Filter Drawer for Canon EOS Lens FAQ\u003c\/h2\u003e\n\u003ch3\u003eWhich ZWO cameras does it fit?\u003c\/h3\u003e\n\u003cp\u003eZWO cooled cameras with 17.5mm back focus, such as the ASI1600, 294, 183, 533, 071, 2600 and 6200. It doesn't fit the GT series. The full-frame ASI6200 connects through the included M54M-M42F adapter.\u003c\/p\u003e\n\u003ch3\u003eCan I control aperture and autofocus?\u003c\/h3\u003e\n\u003cp\u003eNo. The drawer has no electronics, so EF lenses sit wide open with autofocus off. Choose a lens with a mechanical manual-focus ring; focus-by-wire lenses may not focus without power.\u003c\/p\u003e\n\u003ch3\u003eWill the lens reach infinity focus?\u003c\/h3\u003e\n\u003cp\u003eYes. The drawer's 26.5mm plus the camera's 17.5mm equals Canon EF's 44mm flange distance. A filter shifts focus slightly, which the lens's focus ring takes up.\u003c\/p\u003e\n\u003ch3\u003eCanon EOS or Nikon drawer?\u003c\/h3\u003e\n\u003cp\u003eBuy the one that matches the lenses you own. The \u003ca href=\"\/products\/zwo-filter-drawer-for-nikon-lens\"\u003eNikon version\u003c\/a\u003e is 29mm thick to match Nikon F's 46.5mm flange distance; otherwise they work the same way.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e70mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e26.5mm ±0.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera-side clear opening\u003c\/td\u003e\n\u003ctd\u003e38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter capacity\u003c\/td\u003e\n\u003ctd\u003eOne 2\" mounted filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHolder retention\u003c\/td\u003e\n\u003ctd\u003eTwo magnets plus side lock screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eConnections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLens side\u003c\/td\u003e\n\u003ctd\u003eCanon EF bayonet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCamera side\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 male\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter holder\u003c\/td\u003e\n\u003ctd\u003eM48 × 0.75 female\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThird-party filters\u003c\/td\u003e\n\u003ctd\u003eCell under 50.8mm diameter and 7.5mm tall; M48 thread 2.7mm long or less\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eCompatibility\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCameras\u003c\/td\u003e\n\u003ctd\u003eZWO ASI cooled cameras with 17.5mm back focus (not GT series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter holder\u003c\/td\u003e\n\u003ctd\u003eZWO Gen 2 holder (F-HLDR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eFD-EOS \/ ZWO-FD-EOS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":45974758359299,"sku":"ZWO-FD-EOS","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/0ad7d1f8616c27fed040c192f8c137c0_jpg_9ea9aee2-16b4-4b0d-b198-39ad29b89aa7.webp?v=1727305876"},{"product_id":"asi432mm-mono","title":"ZWO ASI432MM Mono Solar \u0026 Lunar Camera with T2 Tilter","description":"\u003ch2\u003eA global-shutter mono camera built for the Sun, with a T2 tilter included\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI432MM:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade for solar imaging:\u003c\/strong\u003e big 9µm pixels and a 97ke⁻ full well suit the slow focal ratios of hydrogen-alpha solar telescopes, and the 1.1\" sensor covers about twice the area of the ASI174MM, so full-disk mosaics need fewer panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal shutter:\u003c\/strong\u003e the whole frame is exposed at once, so there's no rolling-shutter \"jello\" when the air is turbulent, and it can freeze fast targets like the International Space Station crossing the Sun or Moon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT2 tilter included:\u003c\/strong\u003e the tilter lets you angle the camera slightly to remove the Newton rings that often appear in hydrogen-alpha solar images, and to square the sensor to the optical path.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e 1.8MP is low resolution by today's standards, and the large pixels need very long focal ratios for planets. For planets and lunar detail, the \u003ca href=\"\/products\/asi585mm-mono\"\u003eASI585MM\u003c\/a\u003e is the better fit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI432MM\u003c\/strong\u003e is a monochrome solar and lunar camera built on Sony's IMX432 global-shutter sensor, sold here with ZWO's T2 tilter. ZWO describes it as the upgrade of the ASI174MM, long a favorite with solar imagers: the 432 has larger 9µm pixels, a larger 1.1-inch sensor, about three times the full well and lower dark current. It records up to 120 frames per second at full resolution over USB 3.0, needs no separate power supply, and weighs 126g (4.4oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX432 global-shutter mono sensor, 1.1\" (14.5 × 9.9mm) · 1.77MP (1608 × 1104) · 9µm pixels · 79% peak QE · read noise 2.9e⁻ · 97ke⁻ full well · 120 fps at full resolution (12-bit) · USB 3.0 with 256MB buffer · ST4 port · 126g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/432MM-Tilter.jpg?v=1741897386\" alt=\"ZWO ASI432MM mono solar camera shown with the included black T2 tilter\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can capture\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Sun in hydrogen-alpha:\u003c\/strong\u003e prominences, filaments, plage and flares through a dedicated hydrogen-alpha solar telescope or filter system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Sun in white light:\u003c\/strong\u003e sunspots and granulation through a full-aperture white-light solar filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-disk images:\u003c\/strong\u003e on a 500mm solar telescope the field is about 1.66° × 1.14°, so the whole 0.53° Sun fits with room to spare. The full disk fits on the short side of the sensor up to about 1,000mm of focal length.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon:\u003c\/strong\u003e the whole Moon in one frame on short telescopes, or quick high-resolution mosaics on longer ones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransits and fast movers:\u003c\/strong\u003e the global shutter and short exposures freeze the ISS crossing the Sun or Moon without distortion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003ePlug the camera into a laptop's USB 3.0 port, put it in your focuser with the included 1.25\" nosepiece or thread it onto M42 adapters, and record short video clips with free software such as FireCapture or SharpCap (or ZWO's ASIStudio). Stacking software like AutoStakkert! keeps the sharpest frames and combines them. No separate power supply is needed.\u003c\/p\u003e\n\u003cp\u003eThe camera has a built-in high-conversion-gain mode that switches on at gain 140, which keeps about 12 stops of dynamic range while cutting read noise. That lets you use shorter exposures to freeze the seeing and still hold detail in both bright surface features and faint prominences. The sensor sits 6.5mm behind the M42 front thread (17.5mm with the 11mm T2 ring in place). The T2 tilter mounts between the camera and the telescope; its six adjustment screws set the tilt angle. A 1\/4\"-20 thread on the back lets you mount the camera on a photo tripod, and the ST4 port means it can also work as a guide camera.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/dece49295e90100c9dbf1c6f3586b8e0.webp?v=1733440931\" alt=\"Two hydrogen-alpha images of the Sun's surface and limb captured with the ASI432MM\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMorning seeing:\u003c\/strong\u003e solar seeing is usually steadiest in the morning, before the ground heats up. The high frame rate catches the brief steady moments that turn into sharp stacks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear-sky days:\u003c\/strong\u003e Colorado's many sunny days make solar imaging an easy hobby to fit in, but never point a telescope at the Sun without proper solar filtering on the front.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA solar filter or solar telescope (required for the Sun):\u003c\/strong\u003e for white light, a full-aperture filter such as an \u003ca href=\"\/products\/celestron-eclipsmart-solar-filter-8-sct-edgehd\"\u003eEclipSmart filter for 8\" SCTs\u003c\/a\u003e. For hydrogen-alpha, a dedicated solar telescope.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Barlow or Powermate:\u003c\/strong\u003e the \u003ca href=\"\/products\/televue-2-5x-1-1-4-powermate\"\u003eTele Vue 2.5x\u003c\/a\u003e or \u003ca href=\"\/products\/televue-5x-1-1-4-powermate\"\u003e5x Powermate\u003c\/a\u003e to reach the long focal ratios that suit the 9µm pixels for close-ups. In hydrogen-alpha, around f\/25 to f\/30 matches these pixels well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA tracking mount:\u003c\/strong\u003e a \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e or any mount that tracks the Sun keeps the disk centered while you record.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA laptop with USB 3.0:\u003c\/strong\u003e needed to record at full speed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI432MM vs. ASI585MM vs. ASI585MC\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI432MM\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mm-mono\"\u003eASI585MM\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX432 mono, 1.1\"\u003c\/td\u003e\n\u003ctd\u003eIMX585 mono, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX585 color, 1\/1.2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e14.5 × 9.9mm\u003c\/td\u003e\n\u003ctd\u003e11.2 × 6.3mm\u003c\/td\u003e\n\u003ctd\u003e11.2 × 6.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1608 × 1104 (1.8MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e9µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter\u003c\/td\u003e\n\u003ctd\u003eGlobal\u003c\/td\u003e\n\u003ctd\u003eRolling\u003c\/td\u003e\n\u003ctd\u003eRolling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e120 fps\u003c\/td\u003e\n\u003ctd\u003e46.9 fps\u003c\/td\u003e\n\u003ctd\u003e46.9 fps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eHydrogen-alpha solar, full-disk mosaics and transits\u003c\/td\u003e\n\u003ctd\u003eSharp lunar, solar and planetary detail\u003c\/td\u003e\n\u003ctd\u003eColor planets and the Moon in one shot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-planetary-all-sky-cameras\"\u003eZWO planetary and all-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/37cc0d3673d38cec939667694c506631.webp?v=1733440931\" alt=\"ASI432MM box contents: camera, T2 tilter, nosepiece, dust covers, ST4 cable and USB 3.0 cable\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI432MM camera\u003c\/li\u003e\n\u003cli\u003eT2 tilter (ZWO packs it in its own separate box)\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece\u003c\/li\u003e\n\u003cli\u003e1.25\" and 2\" dust covers\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m)\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eSolar filters, solar telescopes, Barlows and the mount are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI432MM FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI432MM good for beginners?\u003c\/h3\u003e\n\u003cp\u003eFor someone starting in solar imaging, yes. It's powered by USB, fits any 1.25\" focuser, and the large pixels and full well are forgiving of exposure. You'll need proper solar filtering or a solar telescope before you start.\u003c\/p\u003e\n\u003ch3\u003eWhat is the T2 tilter for?\u003c\/h3\u003e\n\u003cp\u003eIn hydrogen-alpha solar imaging, reflections between the sensor window and the sensor can create Newton rings, a pattern of light and dark bands. Tilting the camera very slightly with the tilter removes them. The tilter can also correct a sensor that isn't quite square to the telescope.\u003c\/p\u003e\n\u003ch3\u003eASI432MM or ASI174MM?\u003c\/h3\u003e\n\u003cp\u003eZWO describes the ASI432MM as the 174's successor: a 1.1\" sensor with about twice the area, 9µm pixels instead of 5.86µm, a 97ke⁻ full well instead of 32ke⁻, and lower dark current. Both have a global shutter.\u003c\/p\u003e\n\u003ch3\u003eASI432MM or ASI585MM for the Sun?\u003c\/h3\u003e\n\u003cp\u003eThe ASI432MM's global shutter, larger sensor and big pixels make it the better match for hydrogen-alpha telescopes running at slow focal ratios. The \u003ca href=\"\/products\/asi585mm-mono\"\u003eASI585MM\u003c\/a\u003e has far more resolution and smaller pixels, so it's the better choice if you'll also image planets and lunar detail.\u003c\/p\u003e\n\u003ch3\u003eCan I image planets with it?\u003c\/h3\u003e\n\u003cp\u003eIt isn't ideal. Its 9µm pixels need focal ratios of f\/40 or slower for planets, which few setups reach. A small-pixel planetary camera like the \u003ca href=\"\/products\/asi585mm-mono\"\u003eASI585MM\u003c\/a\u003e does much better.\u003c\/p\u003e\n\u003ch3\u003eCan I image the Sun with it?\u003c\/h3\u003e\n\u003cp\u003eYes, that's what it's built for, but only with proper solar filtering on the telescope: a full-aperture white-light filter or a dedicated hydrogen-alpha solar telescope. Never point a telescope at the Sun without one.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX432 (Pregius 3rd generation), global shutter, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1.1\", 14.5 × 9.9mm (17.6mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1.77MP, 1608 × 1104\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e2.9–21.2e⁻ (high-conversion-gain mode from gain 140)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e97,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e79%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e120 fps at 1608 × 1104 (12-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNone (uncooled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eST4 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and power\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e1.25\" nosepiece; M42 × 0.75 front thread; 1\/4\"-20 tripod thread on the back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm \/ 17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e62mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e126g (4.4oz), camera only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded accessory\u003c\/td\u003e\n\u003ctd\u003eZWO T2 tilter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI432MM + ZWO T2-Tilter-II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46202712654083,"sku":"ZWO-ASI432MM + ZWO T2-Tilter-II","price":647.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/432MM-Tilter.jpg?v=1741897386"},{"product_id":"asi294mm-pro","title":"ZWO ASI294MM Pro Cooled Mono Astronomy Camera","description":"\u003ch2\u003eA 4\/3-inch mono camera with big pixels for narrowband, and a 47MP mode for fine detail\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI294MM Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo cameras in one:\u003c\/strong\u003e by default it works as an 11.7MP camera with large 4.63µm pixels and a 66,000e⁻ full well. Switch to ZWO's unlocked Bin1 mode in your capture software and the same sensor becomes a 47MP camera with 2.3µm pixels for short refractors and lenses.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensitive where it counts:\u003c\/strong\u003e the back-illuminated Sony IMX492 peaks at about 90% QE, and read noise drops to about 1.2e⁻ once gain reaches 120, which suits faint hydrogen-alpha, OIII and SII targets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy on filters:\u003c\/strong\u003e the 23.2mm diagonal sensor is smaller than APS-C, so 1.25-inch or 31mm filters in an 8-position wheel work at f\/5 and slower, which keeps a full LRGB plus narrowband set affordable.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e this sensor shows some amp glow in the corners and a faint pattern on stretched images. Both calibrate out with matching dark and flat frames, so plan on taking them. You'll also need 12V power and a computer or ASIAIR to run it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI294MM Pro\u003c\/strong\u003e is a cooled monochrome astronomy camera built on Sony's back-illuminated 4\/3-inch IMX492 sensor. It's a good first mono camera for imagers ready to move up from color, and it pairs naturally with refractors from about 250 to 800mm. Two-stage cooling holds the sensor about 35°C below ambient, a 14-bit ADC gives about 13 stops of dynamic range, and a USB 3.0 connection with a DDR3 buffer keeps downloads reliable. The round red body is 78mm across.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX492 mono sensor, 4\/3-inch, 19.1 × 13.0mm · 11.7MP (4144 × 2822) at 4.63µm, or 47MP (8288 × 5644) at 2.3µm in Bin1 mode · about 90% peak QE · 14-bit ADC, about 13 stops dynamic range · read noise as low as 1.2e⁻ · 66ke⁻ full well (Bin2) · two-stage cooling about 35°C below ambient · USB 3.0 with DDR3 buffer and 2-port USB 2.0 hub\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/asi294mm-1.webp?v=1740174490\" alt=\"ZWO ASI294MM Pro cooled monochrome astronomy camera, red body with M42 front\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge nebulae in narrowband:\u003c\/strong\u003e the North America and Pelican, the Heart Nebula, the Veil and the California Nebula in hydrogen-alpha, OIII and SII. On a 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field is about 4.4° × 3.0° at 3.8″ per pixel, or 1.9″ per pixel in Bin1 mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebula detail:\u003c\/strong\u003e the Eagle's Pillars, the Elephant's Trunk, the Crescent and the Cygnus Wall. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 2.2° × 1.5° at 1.95″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies in LRGB:\u003c\/strong\u003e M81 and M82, the Leo Triplet, the Whirlpool and the Triangulum Galaxy. On the 612mm \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eFF90\u003c\/a\u003e the field is about 1.8° × 1.2° at 1.56″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright clusters and the Moon:\u003c\/strong\u003e short exposures of the Pleiades, the Double Cluster or lunar mosaics, where the 47MP mode adds resolution on short focal lengths.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eA mono camera records every pixel at full sensitivity and leaves color to filters. A filter wheel in front of the camera switches filters during the night, and software combines each filter's frames into a color image. The camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and needs 12V power to be recognized and to run its cooler (ZWO recommends 12V at 3–5A, 5.5 × 2.1mm plug, center positive, or an 11–15V lithium battery). Two USB 2.0 ports on the back power and control a filter wheel and guide camera, which keeps cables short at the scope.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBin2 or Bin1?\u003c\/strong\u003e The standard mode (4.63µm pixels, 14-bit, 66ke⁻ full well) is the one to use on most refractors. The unlocked Bin1 mode (2.3µm pixels, 12-bit, 14.4ke⁻ full well, 5.7 fps) helps only on short focal lengths where the larger pixels would undersample, and its files are about four times bigger.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 6.5mm behind the camera's front, or 17.5mm with the included 11mm T2 ring fitted. The included extenders bring that to the 55mm most flatteners and reducers expect, as ZWO's chart below shows, with or without an off-axis guider.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/asi294mm-21.webp?v=1740175610\" alt=\"ZWO 4\/3-inch cooled camera connection chart for 55mm back focus with M42 or M48 telescope threads and an OAG\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e narrowband filters cut through city light, so emission nebulae are fair game from Denver. Save LRGB galaxies for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoonlit nights:\u003c\/strong\u003e hydrogen-alpha is barely affected by the Moon, which turns nights most color imagers lose into productive ones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e the cooler holds a set temperature as the night cools off. ZWO's sealed sensor chamber resists dew, but on humid nights a dew heater on the telescope still helps.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA filter wheel (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-8-position-efw-8x1-25-2025\"\u003eZWO EFW 8x1.25\" (2025)\u003c\/a\u003e holds eight 1.25-inch or 31mm filters, enough for LRGB plus SHO with a spare slot. On faster scopes the \u003ca href=\"\/products\/zwo-7-position-efw-7x36mm-2025\"\u003eEFW 7x36mm (2025)\u003c\/a\u003e gives more margin against vignetting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/optolong-lrgb-sho-7nm-7-pieces\"\u003eOptolong LRGB + SHO 7nm set\u003c\/a\u003e (1.25\" or 36mm unmounted), or start with the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e for narrowband and add the \u003ca href=\"\/products\/zwo-lrgb-filters\"\u003eZWO LRGB set\u003c\/a\u003e later.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO OAG\u003c\/strong\u003e\u003c\/a\u003e with an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e guide camera: guides through the main telescope, which suits longer focal lengths. A \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5 guide scope\u003c\/a\u003e works well on shorter refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically after filter changes and as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, filter wheel, mount, guiding and focuser from your phone, including multi-filter sequences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e carries this camera, a filter wheel and a refractor up to about 110mm with room to spare.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI294MM Pro vs. ASI294MC Pro vs. ASI533MM Pro vs. ASI2600MM Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI294MM Pro\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi294mc-pro\"\u003eASI294MC Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi533mm-pro-mono\"\u003eASI533MM Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX492 mono, 4\/3\"\u003c\/td\u003e\n\u003ctd\u003eIMX294 color, 4\/3\"\u003c\/td\u003e\n\u003ctd\u003eIMX533 mono, 1\" square\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e19.1 × 13.0mm\u003c\/td\u003e\n\u003ctd\u003e19.1 × 13.0mm\u003c\/td\u003e\n\u003ctd\u003e11.3 × 11.3mm\u003c\/td\u003e\n\u003ctd\u003e23.5 × 15.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e11.7MP (47MP in Bin1)\u003c\/td\u003e\n\u003ctd\u003e11.7MP\u003c\/td\u003e\n\u003ctd\u003e9MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e4.63µm (2.3µm in Bin1)\u003c\/td\u003e\n\u003ctd\u003e4.63µm\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eSome, removed with darks\u003c\/td\u003e\n\u003ctd\u003eSome, removed with darks\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003e1.25\", 31mm or 36mm filters and a filter wheel\u003c\/td\u003e\n\u003ctd\u003eNone (UV\/IR cut recommended)\u003c\/td\u003e\n\u003ctd\u003e1.25\" filters and a filter wheel\u003c\/td\u003e\n\u003ctd\u003e36mm or 2\" filters and a filter wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eWide narrowband fields on a budget, with big pixels for longer scopes\u003c\/td\u003e\n\u003ctd\u003eColor in one shot on the same sensor size\u003c\/td\u003e\n\u003ctd\u003eCompact square framing, clean data\u003c\/td\u003e\n\u003ctd\u003eBigger fields and finer pixels, on scopes that cover APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/asi294mm-20.webp?v=1740175569\" alt=\"ASI294 Pro box contents: camera, bag, nosepiece, USB cables, extenders, adapters, spacers and cover\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI294MM Pro camera body, front cover and camera bag\u003c\/li\u003e\n\u003cli\u003eT2-M48 extender (16.5mm), T2 extender (21mm) and M42-M48 adapter\u003c\/li\u003e\n\u003cli\u003e1.25-inch nosepiece and T2-1.25\" adapter\u003c\/li\u003e\n\u003cli\u003eFour spacers (0.1mm, two at 0.2mm and 0.5mm)\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filter wheel, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI294MM Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI294MM Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's best as a second camera, after you've learned focusing, guiding and stacking with a color camera. If this is your first dedicated astro camera, the \u003ca href=\"\/products\/asi294mc-pro\"\u003eASI294MC Pro\u003c\/a\u003e uses the same size sensor in color and needs no filter wheel.\u003c\/p\u003e\n\u003ch3\u003eMono (MM) or color (MC)?\u003c\/h3\u003e\n\u003cp\u003eChoose the MC Pro for color images in one shot and a simpler setup. Choose the MM Pro to shoot narrowband from the city or pull the most signal from each hour, if you're ready to add a filter wheel and filters.\u003c\/p\u003e\n\u003ch3\u003eDo I need 1.25-inch, 31mm or 36mm filters?\u003c\/h3\u003e\n\u003cp\u003eThe 23.2mm diagonal sensor works with 1.25-inch or 31mm filters in an 8-position wheel on scopes at f\/5 and slower; ZWO sells this camera in a kit with exactly that. On faster scopes, 36mm filters in the \u003ca href=\"\/products\/zwo-7-position-efw-7x36mm-2025\"\u003eEFW 7x36mm\u003c\/a\u003e avoid darkened corners.\u003c\/p\u003e\n\u003ch3\u003eDoes the ASI294MM Pro have amp glow?\u003c\/h3\u003e\n\u003cp\u003eYes, a little in the corners of long exposures, and stretched images can show a faint pattern. ZWO notes both are characteristics of this sensor and calibrate out with dark and flat frames taken at the same gain and temperature.\u003c\/p\u003e\n\u003ch3\u003eASI294MM Pro or ASI2600MM Pro?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e covers about 1.5 times the area with smaller pixels, a 16-bit ADC and no amp glow, but needs 36mm or 2-inch filters and a scope that covers APS-C. The ASI294MM Pro costs less, uses smaller filters, and its larger pixels match longer focal lengths well.\u003c\/p\u003e\n\u003ch3\u003eWhat power and accessories do I need?\u003c\/h3\u003e\n\u003cp\u003e12V power (3–5A), a USB 3.0 port on a computer or an ASIAIR, a filter wheel and filters for color, and a way to guide. The camera won't connect without 12V power, even with the cooler off.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX492, back-illuminated, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e4\/3-inch, 19.1 × 13.0mm (23.2mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003eBin2 (standard): 11.7MP, 4144 × 2822; unlocked Bin1: 47MP, 8288 × 5644\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e4.63µm (Bin2); 2.3µm (Bin1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e14-bit (Bin2); 12-bit (Bin1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e66ke⁻ (Bin2); 14.4ke⁻ (Bin1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003eAs low as 1.2e⁻ (high-conversion-gain mode at gain 120 and up)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003eAbout 13 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, about 35°C below ambient (measured at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark current\u003c\/td\u003e\n\u003ctd\u003e0.0022e⁻\/s\/pixel at −20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e16.3 fps (14-bit) or 19 fps (12-bit) at 11.7MP; 5.7 fps in Bin1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eSome, calibrated out with dark frames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with DDR3 buffer (512MB per ZWO's spec table)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3–5A, 5.5 × 2.1mm center positive, or 11–15V lithium battery (not included); required for the camera to connect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm; 17.5mm with the included 11mm T2 ring; 55mm with the included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront connection\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 (T2); included adapters fit M48 and 1.25\" nosepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI294MM-P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46430774755587,"sku":"ZWO-ASI294MM-P","price":1280.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/asi294mm-1.webp?v=1740174490"},{"product_id":"asi294mc-pro","title":"ZWO ASI294MC Pro Cooled Color Astronomy Camera","description":"\u003ch2\u003eA one-shot color camera with large pixels and a 4\/3-inch sensor for nebulae and galaxies\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI294MC Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor in every frame:\u003c\/strong\u003e no filter wheel or filter sets to buy. Each exposure is a full-color image, which keeps the setup simple and the processing quick.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig pixels, deep wells:\u003c\/strong\u003e 4.63µm pixels and a 63,700e⁻ full well hold bright star color while the faint outer parts of a nebula build up, and they match refractors from about 400 to 1000mm well.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA practical sensor size:\u003c\/strong\u003e the 19.1 × 13.0mm sensor frames much more sky than a 1-inch camera, yet it needs only a 23mm image circle and works with 1.25-inch or 2-inch filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the sensor shows some amp glow in the corners and a faint pattern on stretched images. Both calibrate out with matching dark and flat frames. The window is clear (no IR cut), so add a UV\/IR cut filter on refractors. You'll also need 12V power and a computer or ASIAIR.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI294MC Pro\u003c\/strong\u003e is a cooled one-shot-color astronomy camera built on Sony's back-illuminated 4\/3-inch IMX294 sensor. It suits imagers stepping up from a DSLR or a small planetary camera who want color images of nebulae, galaxies and clusters without the extra gear of a mono setup. Two-stage cooling holds the sensor about 35°C below ambient, a 14-bit ADC gives about 13 stops of dynamic range, and a USB 3.0 connection with a 256MB DDR3 buffer keeps downloads reliable. The round red body is 78mm across.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX294 color sensor, 4\/3-inch, 19.1 × 13.0mm · 11.7MP (4144 × 2822) · 4.63µm pixels · 14-bit ADC, about 13 stops dynamic range · 63.7ke⁻ full well · read noise as low as 1.2e⁻ · over 75% peak QE · two-stage cooling about 35°C below ambient · USB 3.0 with 256MB buffer and 2-port USB 2.0 hub\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/asi294mm-1_c9b49c56-47b6-4c2c-8976-acdf97ff6667.webp?v=1740176039\" alt=\"ZWO ASI294MC Pro cooled color astronomy camera, three-quarter front view\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge nebulae:\u003c\/strong\u003e the North America and Pelican, the Heart Nebula, the Rosette and the Orion Nebula with the Running Man. On a 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field is about 4.4° × 3.0° at 3.8″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies and clusters:\u003c\/strong\u003e the Andromeda Galaxy's core and dust lanes, M81 and M82 together, and the Pleiades. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 2.2° × 1.5° at 1.95″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmaller targets:\u003c\/strong\u003e the Whirlpool Galaxy, the Leo Triplet, the Eagle Nebula and the Dumbbell. On the 770mm \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e the field is about 1.4° × 1.0° at 1.24″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission nebulae from the city:\u003c\/strong\u003e with a dual-band filter, the Veil, the Crescent and the Soul Nebula from a light-polluted backyard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eA color filter over the sensor's pixels (a Bayer matrix) records red, green and blue in every frame, so stacking software turns your exposures straight into a color image. The camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and needs 12V power to be recognized and to run its cooler (ZWO recommends 12V at 3–5A, 5.5 × 2.1mm plug, center positive, or an 11–15V lithium battery). Two USB 2.0 ports on the back can power a guide camera or electronic focuser, which keeps cables short at the scope.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 6.5mm behind the camera's front, or 17.5mm with the included 11mm T2 ring fitted. The included extenders bring that to the 55mm most flatteners and reducers expect, as ZWO's chart below shows, with or without an off-axis guider.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/asi294mm-21.webp?v=1740175610\" alt=\"Connection chart for the ZWO ASI294 Pro color camera: 55mm back focus with M42 or M48 threads and an off-axis guider\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e a dual-band filter makes emission nebulae practical from Denver. Galaxies and reflection nebulae reward a drive to darker skies like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e the cooler holds a set temperature as the night cools off, so your dark frames keep matching your lights.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-ir-cut-filter\"\u003e\u003cstrong\u003eZWO UV\/IR cut filter\u003c\/strong\u003e\u003c\/a\u003e: the camera's window passes infrared, which bloats stars on most refractors. Use the 2\" filter in a \u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m42\"\u003eZWO M42 2\" filter drawer\u003c\/a\u003e or the 1.25\" one in the included nosepiece.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-duo-band-filter\"\u003e\u003cstrong\u003eZWO Duo-Band filter\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e: isolate hydrogen-alpha and OIII for emission nebulae under city lights or a bright Moon.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO OAG\u003c\/strong\u003e\u003c\/a\u003e or a \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5 guide scope\u003c\/a\u003e with an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e guide camera, for round stars in long exposures.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: keeps focus sharp as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, mount, guiding and focuser from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA complete setup:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eZWO FF70 + AM3N bundle\u003c\/a\u003e gives a 490mm refractor and a harmonic mount that suit this camera well.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI294MC Pro vs. ASI533MC Pro vs. ASI2600MC Pro vs. ASI294MM Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI294MC Pro\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi533mc-pro-color\"\u003eASI533MC Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi294mm-pro\"\u003eASI294MM Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX294 color, 4\/3\"\u003c\/td\u003e\n\u003ctd\u003eIMX533 color, 1\" square\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX492 mono, 4\/3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e19.1 × 13.0mm\u003c\/td\u003e\n\u003ctd\u003e11.3 × 11.3mm\u003c\/td\u003e\n\u003ctd\u003e23.5 × 15.7mm\u003c\/td\u003e\n\u003ctd\u003e19.1 × 13.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e11.7MP\u003c\/td\u003e\n\u003ctd\u003e9MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003ctd\u003e11.7MP (47MP in Bin1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e4.63µm\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003ctd\u003e4.63µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eSome, removed with darks\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003ctd\u003eSome, removed with darks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eColor on a wider field, with big pixels for longer scopes\u003c\/td\u003e\n\u003ctd\u003eCompact square framing at the lowest price\u003c\/td\u003e\n\u003ctd\u003eThe widest color field, on scopes that cover APS-C\u003c\/td\u003e\n\u003ctd\u003eNarrowband and LRGB with a filter wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/asi294mm-20.webp?v=1740175569\" alt=\"What comes with the ZWO ASI294MC Pro: camera bag, nosepiece, USB cables, extenders, adapters, spacers and cover\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI294MC Pro camera body, front cover and camera bag\u003c\/li\u003e\n\u003cli\u003eT2-M48 extender (16.5mm), T2 extender (21mm) and M42-M48 adapter\u003c\/li\u003e\n\u003cli\u003e1.25-inch nosepiece and T2-1.25\" adapter\u003c\/li\u003e\n\u003cli\u003eFour spacers (0.1mm, two at 0.2mm and 0.5mm)\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI294MC Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI294MC Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes, it's a sensible first cooled camera. One-shot color keeps the setup and processing simple, and its large pixels are forgiving on longer refractors. Start with an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e to keep the learning curve short.\u003c\/p\u003e\n\u003ch3\u003eASI294MC Pro or ASI2600MC Pro?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e covers about 1.5 times the area at 26MP, with a 16-bit ADC, no amp glow and a built-in IR-cut window, but needs a telescope that covers APS-C and costs about $500 more. The ASI294MC Pro is the better value if your scope's corrected field is smaller or your focal length is long.\u003c\/p\u003e\n\u003ch3\u003eDoes it have amp glow?\u003c\/h3\u003e\n\u003cp\u003eA little, in the corners of long exposures, and stretched images can show a faint pattern. ZWO notes both are characteristics of this sensor and calibrate out with dark and flat frames taken at the same gain and temperature.\u003c\/p\u003e\n\u003ch3\u003eDo I need a UV\/IR cut filter?\u003c\/h3\u003e\n\u003cp\u003eOn refractors, yes. The camera's window is clear AR-coated glass, so infrared light reaches the sensor and can bloat stars. Reflectors and many astrographs with their own filter don't need one, and a dual-band filter already blocks infrared.\u003c\/p\u003e\n\u003ch3\u003eCan I use it for planets?\u003c\/h3\u003e\n\u003cp\u003eIt can, and ZWO quotes 19 fps at full resolution, but a dedicated planetary camera with smaller pixels and faster frame rates does a better job. This camera is built for long deep-sky exposures.\u003c\/p\u003e\n\u003ch3\u003eWhat power and accessories do I need?\u003c\/h3\u003e\n\u003cp\u003e12V power (3–5A), a USB 3.0 port on a computer or an ASIAIR, a UV\/IR cut filter for refractors, and a way to guide. The camera won't connect without 12V power, even with the cooler off.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX294, back-illuminated, color (Bayer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e4\/3-inch, 19.1 × 13.0mm (23.2mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e11.7MP, 4144 × 2822\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e4.63µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e63.7ke⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e1.2–7.3e⁻ (below 2e⁻ in high-conversion-gain mode, gain 120 and up)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003eAbout 13 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eOver 75%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, about 35°C below ambient (ZWO quotes 35–40°C, measured at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e16 fps (14-bit) or 19 fps (12-bit) at full resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eSome, calibrated out with dark frames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003e32mm clear AR-coated glass (no IR cut)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3–5A, 5.5 × 2.1mm center positive, or 11–15V lithium battery (not included); required for the camera to connect\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm; 17.5mm with the included 11mm T2 ring; 55mm with the included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront connection\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 (T2); included adapters fit M48 and 1.25\" nosepiece\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e78mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI294MC-P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46430816829699,"sku":"ZWO-ASI294MC-P","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/asi294mm-1_c9b49c56-47b6-4c2c-8976-acdf97ff6667.webp?v=1740176039"},{"product_id":"asi585mm-pro-mono","title":"ZWO ASI585MM Pro Cooled Mono Astronomy Camera","description":"\u003ch2\u003eAn affordable cooled mono camera for galaxies, nebulae and narrowband\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI585MM Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA low-cost way into mono:\u003c\/strong\u003e the small IMX585 sensor works with 1.25-inch filters and a compact filter wheel, so a full LRGB and narrowband setup costs far less than with an APS-C camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean data:\u003c\/strong\u003e two-stage cooling to about 35°C below ambient, zero amp glow, read noise down to 0.7e⁻ and 91% peak QE keep short narrowband subs clean and calibration simple.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFine detail on small targets:\u003c\/strong\u003e 2.9µm pixels give 1.2″ per pixel on a 490mm refractor, a good match for galaxies and planetary nebulae, and the camera still runs at 47 fps for the Moon and planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the 11.2 × 6.3mm sensor gives a narrow field, so large nebulae need a short telescope or mosaics. Mono also means a filter wheel, filters and more processing. You'll need 12V power and a computer or ASIAIR to run it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI585MM Pro\u003c\/strong\u003e is a cooled monochrome deep-sky camera built on Sony's 8.3MP IMX585 STARVIS 2 sensor. ZWO describes it as an entry-level deep-sky camera: it's for imagers who want to try LRGB and narrowband imaging on galaxies and smaller nebulae without the cost of a large sensor, and its high frame rate means it can also shoot the Moon, Sun and planets. The body is 78mm across and 73.5mm long.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX585 STARVIS 2 mono sensor, 1\/1.2\" (11.2 × 6.3mm) · 8.3MP (3840 × 2160) · 2.9µm pixels · 91% peak QE · read noise 0.7e⁻ · 38.7ke⁻ full well · two-stage cooling to 35°C below ambient · zero amp glow · 512MB DDR3 buffer · USB 3.0 plus 2-port USB 2.0 hub\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/f3ccdd27d2000e3f9255a7e3e2c48800_jpg_1834c120-84d0-4c18-825e-ce38535601da.webp?v=1742484292\" alt=\"ZWO ASI585MM Pro cooled monochrome camera with M42 front thread and cooling fins\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies in LRGB:\u003c\/strong\u003e the Whirlpool, Sunflower and Black Eye Galaxies, M81 and M82, the Leo Triplet and NGC 891. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 1.3° × 0.73° at 1.2″ per pixel; on the 612mm \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eFF90\u003c\/a\u003e it's about 1.0° × 0.6° at 1.0″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband nebulae:\u003c\/strong\u003e the Pacman, Bubble, Crescent and Eagle Nebulae, Thor's Helmet and the Horsehead in hydrogen-alpha, OIII and SII, even from a city backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary nebulae:\u003c\/strong\u003e the Ring, Dumbbell, Owl and Cat's Eye Nebulae suit the small sensor and fine pixels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider targets:\u003c\/strong\u003e on a 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field grows to about 2.6° × 1.4°, enough for the Rosette, the Orion Nebula or the core of the Heart Nebula.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon, Sun and planets:\u003c\/strong\u003e 47 fps at full resolution (10-bit high-speed mode) makes it a capable lunar and planetary camera too.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eA mono camera records every pixel at full sensitivity and leaves color to filters. A filter wheel in front of the camera switches between filters during the night, and software combines each filter's frames into a color image: luminance plus red, green and blue for natural color, or hydrogen-alpha, OIII and SII for narrowband. The camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and runs its cooler from 12V (ZWO recommends 12V at 3–5A, 5.5 × 2.1mm plug, center positive, or an 11–14V lithium battery). Two USB 2.0 ports on the back power and control the filter wheel, focuser and guide camera right at the scope.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the camera face, including an 11mm T2 ring. Without a filter wheel, the included 21mm and 16.5mm extenders and M42-M48 adapter bring the total to the standard 55mm used by most flatteners and reducers. With a ZWO filter wheel, you remove the 11mm ring, mount the wheel directly to the camera and move the ring and extender to the telescope side, as shown in ZWO's diagram below.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/7545e060197bb1b1d0fe98a18d9a540a_jpg.webp?v=1742484292\" alt=\"ZWO back-focus diagram for a cooled mono camera with filter wheel, with and without an off-axis guider\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e narrowband filters cut through city light, so you can shoot nebulae from Denver on any clear night, and save LRGB galaxies for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoonlit nights:\u003c\/strong\u003e hydrogen-alpha is barely affected by the Moon, which turns nights most color imagers lose into productive ones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig temperature swings:\u003c\/strong\u003e the cooler holds a set temperature as the night cools off, so your darks stay matched.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA filter wheel (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-5-position-efw-5x1-25-2025\"\u003eZWO EFW 5x1.25\" (2025)\u003c\/a\u003e holds LRGB plus one narrowband filter, and the \u003ca href=\"\/products\/zwo-8-position-efw-8x1-25-2025\"\u003eEFW 8x1.25\" (2025)\u003c\/a\u003e holds a full LRGB and SHO set with a spare slot. Both plug into the camera's USB hub.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO narrowband set\u003c\/a\u003e and the \u003ca href=\"\/products\/zwo-lrgb-filters\"\u003eZWO LRGB set\u003c\/a\u003e in 1.25\", or the \u003ca href=\"\/products\/optolong-lrgb-sho-7nm-7-pieces\"\u003eOptolong LRGB + SHO 7nm 7-piece set\u003c\/a\u003e. The 12.8mm sensor diagonal is easily covered by 1.25-inch filters in a wheel next to the camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, filter wheel, mount, guiding and focuser from your phone, including multi-filter sequences.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asi220mm-mini-mono\"\u003e\u003cstrong\u003eASI220MM Mini\u003c\/strong\u003e\u003c\/a\u003e: a sensitive guide camera for a guide scope or the \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eZWO OAG\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically after filter changes and as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA telescope and mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eZWO FF70 + AM3N bundle\u003c\/a\u003e is a well-matched, portable setup for this camera.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI585MM Pro vs. ASI585MC Pro vs. ASI533MM Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI585MM Pro\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mc-pro-color\"\u003eASI585MC Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi533mm-pro-mono\"\u003eASI533MM Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX585 mono, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX585 color, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX533 mono, 1\" square\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor size\u003c\/td\u003e\n\u003ctd\u003e11.2 × 6.3mm\u003c\/td\u003e\n\u003ctd\u003e11.2 × 6.3mm\u003c\/td\u003e\n\u003ctd\u003e11.3 × 11.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution \/ pixels\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 2.9µm\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 2.9µm\u003c\/td\u003e\n\u003ctd\u003e9MP, 3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField on a 490mm scope\u003c\/td\u003e\n\u003ctd\u003e1.3° × 0.73°\u003c\/td\u003e\n\u003ctd\u003e1.3° × 0.73°\u003c\/td\u003e\n\u003ctd\u003e1.3° × 1.3°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003e1.25\" filters and a filter wheel\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003e1.25\" filters and a filter wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eAn entry-level mono setup, small galaxies and nebulae\u003c\/td\u003e\n\u003ctd\u003eColor in one shot at the lowest price\u003c\/td\u003e\n\u003ctd\u003eMono with a square field and deeper wells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eWant it all in one box? The \u003ca href=\"\/products\/asi585mm-air\"\u003eASI585MM Air\u003c\/a\u003e pairs the same mono sensor with a built-in ASIAIR and guide sensor. See all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/05c749914ceb6f0e401d50aac1cec636_jpg.webp?v=1742484292\" alt=\"ASI585MM Pro box contents with camera bag, USB cables, extenders, adapters and spacers\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI585MM Pro camera and camera bag\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece and M42-1.25\" adapter\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eM42-M48 extender (16.5mm), M42 extender (21mm) and M42-M48 adapter\u003c\/li\u003e\n\u003cli\u003eFour spacers and a cover\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filter wheel, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI585MM Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI585MM Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's one of the least expensive ways into cooled mono imaging. Mono adds a filter wheel, filters and more processing, so if this is your very first dedicated astro camera, the color \u003ca href=\"\/products\/asi585mc-pro-color\"\u003eASI585MC Pro\u003c\/a\u003e is simpler.\u003c\/p\u003e\n\u003ch3\u003eMono (MM) or color (MC)?\u003c\/h3\u003e\n\u003cp\u003eThe MC gives color images in one shot. The MM needs a filter wheel and filters but collects more signal per pixel, gives sharper detail and is the better choice for narrowband imaging from light-polluted skies.\u003c\/p\u003e\n\u003ch3\u003eASI585MM Pro or ASI533MM Pro?\u003c\/h3\u003e\n\u003cp\u003eBoth work with 1.25-inch filters. The \u003ca href=\"\/products\/asi533mm-pro-mono\"\u003eASI533MM Pro\u003c\/a\u003e has a square sensor with almost twice the area, larger 3.76µm pixels, a 14-bit ADC and deeper wells, so it's better for larger nebulae. The ASI585MM Pro costs less, has finer pixels for small targets and is fast enough for planets.\u003c\/p\u003e\n\u003ch3\u003eWhich filters and filter wheel do I need?\u003c\/h3\u003e\n\u003cp\u003e1.25-inch mounted filters in a 1.25-inch wheel. A common set is luminance, red, green and blue plus hydrogen-alpha, OIII and SII, which fits the \u003ca href=\"\/products\/zwo-8-position-efw-8x1-25-2025\"\u003e8-position EFW\u003c\/a\u003e with a slot to spare. Many owners start with a hydrogen-alpha filter alone.\u003c\/p\u003e\n\u003ch3\u003eCan I image planets with it?\u003c\/h3\u003e\n\u003cp\u003eYes. It runs at 47 fps at full resolution in high-speed mode, so it works for the Moon, Sun and planets. If planets are your main interest, the uncooled \u003ca href=\"\/products\/asi585mm-mono\"\u003eASI585MM\u003c\/a\u003e uses the same sensor at a lower price.\u003c\/p\u003e\n\u003ch3\u003eDoes it need a computer?\u003c\/h3\u003e\n\u003cp\u003eIt needs something to control it: a laptop with ASIStudio, SharpCap or N.I.N.A., or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e run from your phone.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX585 STARVIS 2, back-illuminated, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\", 11.2 × 6.3mm (12.84mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.29MP, 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.7–6.6e⁻ (high-conversion-gain mode from gain 200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e38,700e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 35°C below ambient (tested at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark current\u003c\/td\u003e\n\u003ctd\u003e0.00845e⁻\/s\/pixel at 0°C; 0.00201e⁻\/s\/pixel at −10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e47 fps at full resolution (10-bit high-speed mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 512MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC for cooling, 3–5A recommended, 5.5 × 2.1mm center positive, or 11–14V lithium battery (supply not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm (6.5mm without the 11mm T2 ring); 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 front thread; 1.25\" nosepiece included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e78mm diameter × 73.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI585MM-P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46611910066435,"sku":"ZWO-ASI585MM-P","price":629.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/f3ccdd27d2000e3f9255a7e3e2c48800_jpg_1834c120-84d0-4c18-825e-ce38535601da.webp?v=1742484292"},{"product_id":"asi585mm-mono","title":"ZWO ASI585MM Mono Planetary, Lunar \u0026 Solar Camera (IMX585)","description":"\u003ch2\u003eA big-sensor mono camera for sharp Moon, Sun and planet images\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI585MM:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvery pixel counts:\u003c\/strong\u003e with no color filter over the sensor, each pixel records full detail, so lunar craters, sunspots and solar granulation come out crisper than with a color camera of the same pixel size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA large field for mosaics:\u003c\/strong\u003e the 1\/1.2\" IMX585 is 11.2 × 6.3mm, so the whole Moon or Sun fits in one frame on a small refractor, and lunar mosaics on an SCT need far fewer panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow noise, no glow:\u003c\/strong\u003e STARVIS 2 technology, read noise down to 0.7e⁻, 91% peak QE and zero amp glow, at up to 46.9 frames per second at full 3840 × 2160 resolution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e mono means color planets take a filter wheel and red, green and blue filters, plus extra processing. For color in one shot, the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e uses the same sensor. It's uncooled, so it isn't the right choice for long deep-sky exposures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI585MM\u003c\/strong\u003e is a monochrome planetary, lunar and solar camera built on Sony's 8.3-megapixel IMX585 STARVIS 2 sensor. It records high-speed video that software stacks into sharp black-and-white images of the Moon and Sun, or into color planets when you shoot through red, green and blue filters. ZWO calls it the upgrade of the ASI485, with the same 2.9µm pixels, about three times the full well and no amp glow. It's powered by USB, slides into any 1.25-inch focuser or threads onto M42 adapters, and has a 62mm body.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX585 STARVIS 2 mono sensor, 1\/1.2\" (11.2 × 6.3mm) · 8.3MP (3840 × 2160) · 2.9µm pixels · read noise 0.7e⁻ at high gain · 38.7ke⁻ full well · 91% peak QE · 46.9 fps at full resolution (12-bit) · zero amp glow · USB 3.0 with 256MB buffer\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/fc82d13f695477524f14f5c1487cdb56.jpg?v=1742485217\" alt=\"ZWO ASI585MM monochrome planetary camera with M42 front thread and USB 3.0 port\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can capture\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Moon:\u003c\/strong\u003e craters, rilles and mountain ranges in fine detail. On an 80mm f\/6 refractor (480mm) the field is about 1.3° × 0.75°, enough for the whole Moon in one frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe Sun:\u003c\/strong\u003e sunspots and granulation through a full-aperture white-light solar filter, or prominences and surface detail through a hydrogen-alpha solar telescope, where a mono camera is the usual choice.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanets:\u003c\/strong\u003e Jupiter's belts and Great Red Spot, Saturn's rings and the Cassini Division, and Mars near opposition, either in mono or in color with RGB filters. On an 8-inch SCT the field is about 19′ × 11′, so planets are easy to keep in frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfrared and methane views:\u003c\/strong\u003e the sensor is sensitive well into near-infrared, which ZWO says is about 1.5 times the ASI485 beyond 850nm. IR-pass filters steady the image in poor seeing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBright deep-sky targets:\u003c\/strong\u003e live-stacked views of the Orion Nebula, the Ring Nebula and globular clusters like M13.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003ePlug the camera into a laptop's USB 3.0 port, put it in your focuser with the included 1.25\" nosepiece, and record short video clips with free software such as FireCapture or SharpCap (or ZWO's ASIStudio). Stacking software like AutoStakkert! keeps the sharpest frames and combines them. No separate power supply is needed. For color planets, record a short clip through each of the red, green and blue filters and combine them after stacking.\u003c\/p\u003e\n\u003cp\u003eFor planets, aim for a focal ratio of about f\/12 to f\/15 with these 2.9µm pixels. That's an 8-inch SCT at its native f\/10 with a 1.5x Barlow, or an f\/6 refractor with a 2.5x \u003ca href=\"\/products\/televue-2-5x-1-1-4-powermate\"\u003eTele Vue Powermate\u003c\/a\u003e. The sensor sits 6.5mm behind the M42 front thread (17.5mm with the 11mm T2 adapter ring in place). The ST4 port also lets it double as a guide camera.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/62518843e96e0263cedb548ed7de4348.jpg?v=1742485217\" alt=\"ASI585MM dimension drawing: 62mm body, M42 x 0.75 front thread, 6.5mm and 17.5mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow planets:\u003c\/strong\u003e from our latitude Jupiter and Saturn can sit low in some years. An \u003ca href=\"\/products\/zwo-atmospheric-dispersion-corrector\"\u003eADC\u003c\/a\u003e and a red or IR-pass filter help the mono camera cut through the extra air.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaytime solar:\u003c\/strong\u003e Colorado's many clear days make solar imaging easy to fit in, but the Sun is never safe to point at without proper filtering on the front of the telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA Barlow or Powermate:\u003c\/strong\u003e the \u003ca href=\"\/products\/televue-2-5x-1-1-4-powermate\"\u003eTele Vue 2.5x Powermate\u003c\/a\u003e or \u003ca href=\"\/products\/celestron-2x-1-25-x-cel-lx-barlow-lens\"\u003eCelestron 2x X-Cel LX Barlow\u003c\/a\u003e to reach the right image scale for planets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters and a filter wheel (for color planets):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-lrgb-filters\"\u003eZWO LRGB set\u003c\/a\u003e in 1.25\" in a \u003ca href=\"\/products\/zwo-5-position-efw-5x1-25-2025\"\u003eZWO EFW 5x1.25\" (2025)\u003c\/a\u003e, which leaves room for an IR-pass or methane filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-atmospheric-dispersion-corrector\"\u003e\u003cstrong\u003eZWO Atmospheric Dispersion Corrector\u003c\/strong\u003e\u003c\/a\u003e: removes the smearing the atmosphere adds to planets low in the sky.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA solar filter (required for the Sun):\u003c\/strong\u003e a full-aperture white-light filter such as an \u003ca href=\"\/products\/celestron-eclipsmart-solar-filter-8-sct-edgehd\"\u003eEclipSmart filter for 8\" SCTs\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA tracking mount:\u003c\/strong\u003e a \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e or any GoTo mount that keeps the target centered while you record.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI585MM vs. ASI585MC vs. ASI432MM\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI585MM\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi432mm-mono\"\u003eASI432MM\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX585 mono, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX585 color, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX432 mono, 1.1\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e3840 × 2160 (8.3MP)\u003c\/td\u003e\n\u003ctd\u003e1608 × 1104 (1.8MP)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003ctd\u003e9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShutter\u003c\/td\u003e\n\u003ctd\u003eRolling\u003c\/td\u003e\n\u003ctd\u003eRolling\u003c\/td\u003e\n\u003ctd\u003eGlobal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e46.9 fps\u003c\/td\u003e\n\u003ctd\u003e46.9 fps\u003c\/td\u003e\n\u003ctd\u003e120 fps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eSharp lunar, solar and planetary detail, and RGB planets\u003c\/td\u003e\n\u003ctd\u003eColor planets and the Moon in one shot\u003c\/td\u003e\n\u003ctd\u003eHydrogen-alpha solar and fast-moving targets like the ISS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-planetary-all-sky-cameras\"\u003eZWO planetary and all-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/585uncooled_What_sinBox_4955eedb55bbdcf7d56baf5c3fa932f5.jpg?v=1742485217\" alt=\"ZWO ASI585 planetary camera box contents with nosepiece, dust covers, ST4 cable and USB 3.0 cable\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI585MM camera\u003c\/li\u003e\n\u003cli\u003e1.25\" nosepiece\u003c\/li\u003e\n\u003cli\u003e1.25\" and 2\" dust covers\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m)\u003c\/li\u003e\n\u003cli\u003eST4 guide cable\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilters, Barlows, solar filters and the telescope are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI585MM FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI585MM good for beginners?\u003c\/h3\u003e\n\u003cp\u003eFor the Moon and Sun, yes: it's powered by USB, fits any 1.25\" focuser, and mono images of the Moon need no filters at all. Color planets with a mono camera take filters and more processing, so if planets in color are your main goal, the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e is simpler.\u003c\/p\u003e\n\u003ch3\u003eMono (MM) or color (MC)?\u003c\/h3\u003e\n\u003cp\u003eThe MM gives sharper detail per pixel, works with hydrogen-alpha solar telescopes and IR-pass filters, and makes the best lunar images. The MC gives color planets in one shot with no filter wheel.\u003c\/p\u003e\n\u003ch3\u003eWhich camera is best for hydrogen-alpha solar imaging?\u003c\/h3\u003e\n\u003cp\u003eBoth mono cameras work well. The ASI585MM's large sensor covers more of the disk, while the \u003ca href=\"\/products\/asi432mm-mono\"\u003eASI432MM\u003c\/a\u003e's global shutter and large 9µm pixels suit slow solar telescopes and avoid the \"jello\" distortion a rolling shutter can show.\u003c\/p\u003e\n\u003ch3\u003eASI585MM or ASI585MM Pro?\u003c\/h3\u003e\n\u003cp\u003eBoth use the same sensor. The \u003ca href=\"\/products\/asi585mm-pro-mono\"\u003ePro\u003c\/a\u003e adds two-stage cooling and a USB hub for long deep-sky exposures and needs 12V power. For the Moon, Sun and planets, where frames are a fraction of a second, the uncooled ASI585MM is all you need.\u003c\/p\u003e\n\u003ch3\u003eCan I image the Sun with it?\u003c\/h3\u003e\n\u003cp\u003eYes, but only with proper solar filtering on the telescope: a full-aperture white-light filter or a dedicated hydrogen-alpha solar telescope. Never point a telescope at the Sun without one.\u003c\/p\u003e\n\u003ch3\u003eDoes it work as a guide camera?\u003c\/h3\u003e\n\u003cp\u003eYes. It has an ST4 port and is sensitive enough to guide, though most people use a dedicated guide camera so the ASI585MM stays free for imaging.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX585 STARVIS 2, back-illuminated, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\", 11.2 × 6.3mm (12.84mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.29MP, 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.7–6.6e⁻ (high-conversion-gain mode from gain 200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e38,700e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e46.9 fps at 3840 × 2160 (12-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eNone (uncooled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eST4 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData and power\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 256MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e1.25\" nosepiece; M42 × 0.75 front thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e6.5mm \/ 17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody diameter\u003c\/td\u003e\n\u003ctd\u003e62mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI585MM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46612282736899,"sku":"ZWO-ASI585MM","price":449.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/585MCuncooled_c5cf36a57e4f3e67296671451d7f8f65-1.jpg?v=1742485217"},{"product_id":"seestar-th10-fluid-tripod-head-eq-wedge","title":"ZWO Seestar TH10 Fluid Tripod Head (EQ Wedge)","description":"\u003ch2\u003eThe small fluid head that puts your Seestar in EQ mode\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the TH10:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLonger stacks with no cropping:\u003c\/strong\u003e tilted to your latitude on the TH10, a Seestar tracks like an equatorial mount, so its image doesn't rotate during a long session and you keep the whole frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAll you need if you already own a TC20:\u003c\/strong\u003e the original Seestar S50 came with the TC20 carbon tripod, and the TH10 screws right onto it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTiny and solid:\u003c\/strong\u003e CNC-machined aluminum, 411g (14.5oz) and 84mm tall, with fluid damping and printed scales that make setting your latitude easy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the TH10 doesn't work on the short tripod that comes with the Seestar S30. S30 and S30 Pro owners should get the \u003ca href=\"\/products\/seestar-fluid-head-with-tripod-eq-wedge\"\u003eTH10 and TC20 kit\u003c\/a\u003e, or use the head on a full-size tripod.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO Seestar TH10 Fluid Tripod Head\u003c\/strong\u003e is a compact hydraulic video head that ZWO designed as the EQ wedge for its Seestar smart telescopes. It tilts from -90° to +90° and pans 360°, so you can tip a Seestar to your latitude, point it north and switch to EQ mode in the Seestar app. It's also a full-metal fluid head for cameras and camcorders up to 5kg (11lb), with a 1\/4\" quick release plate, a 3\/8\" adapter and a 3\/8\" base thread.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 411g (14.5oz) · 5kg (11lb) load · tilt -90° to +90°, 360° pan · hydraulic damping · 1\/4\" quick release plate screw with 3\/8\" adapter · 3\/8\" base thread · 84mm tall, 50mm base · aluminum alloy\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/a2603f25d360432dbc69536a83d26ad4_jpg.webp?v=1747858038\" alt=\"Seestar smart telescope tilted into EQ mode on the TH10 fluid head\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat EQ mode does for your images\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHours on one target:\u003c\/strong\u003e stack the Orion Nebula, the Andromeda Galaxy or the Heart Nebula for an hour or more and keep the full field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaner edges:\u003c\/strong\u003e no rotated, ragged borders on your stacked images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig targets stay framed:\u003c\/strong\u003e keep large objects like the North America Nebula centered through a long session.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to set it up\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eOpen your tripod on a flat surface with one leg pointing roughly north, and center the bubble level.\u003c\/li\u003e\n\u003cli\u003eScrew the 1\/4\" to 3\/8\" adapter into the bottom of your Seestar and tighten it with the coin wrench, then attach the quick release plate.\u003c\/li\u003e\n\u003cli\u003eMount the TH10 on the tripod with its dovetail groove facing north, in line with the north-facing leg.\u003c\/li\u003e\n\u003cli\u003eSlide the Seestar onto the head, set the tilt scale to your latitude (about 40° here in Denver), then switch to EQ mode in the Seestar app.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eNote: ZWO doesn't recommend the TC20 with a Seestar S50 in EQ mode below 15° latitude, because the S50 can hit the tripod legs at some angles. That doesn't affect anyone in the continental US.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seestar-tc20-tripod\"\u003e\u003cstrong\u003eSeestar TC20 carbon fiber tripod\u003c\/strong\u003e\u003c\/a\u003e (required if you don't have a TC20 or full-size tripod): the short, stiff tripod ZWO pairs with the TH10.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seestar-fluid-head-with-tripod-eq-wedge\"\u003e\u003cstrong\u003eTH10 and TC20 kit\u003c\/strong\u003e\u003c\/a\u003e: the head and tripod together, the easiest choice for Seestar S30 and S30 Pro owners.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/precision-bubble-level-tripod-base-for-vespera-seestar\"\u003e\u003cstrong\u003ePrecision tripod leveler\u003c\/strong\u003e\u003c\/a\u003e: fine leveling under the head without adjusting the tripod legs.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-seestar-th10-quick-release-plate\"\u003e\u003cstrong\u003eSpare TH10 quick release plate\u003c\/strong\u003e\u003c\/a\u003e: keep one on your Seestar and one on a camera.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich Seestar EQ option do you need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eTH10 head only\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/seestar-fluid-head-with-tripod-eq-wedge\"\u003eTH10 + TC20 kit\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/seestar-tc20-tripod\"\u003eTC20 tripod only\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eFluid head\u003c\/td\u003e\n\u003ctd\u003eFluid head, carbon tripod, drawstring bag\u003c\/td\u003e\n\u003ctd\u003eCarbon tripod and bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnables EQ mode\u003c\/td\u003e\n\u003ctd\u003eYes, on a TC20 or full-size tripod\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e411g\u003c\/td\u003e\n\u003ctd\u003eAbout 1kg (2.2lb)\u003c\/td\u003e\n\u003ctd\u003eAbout 600g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eOriginal S50 owners who already have a TC20\u003c\/td\u003e\n\u003ctd\u003eS30 and S30 Pro owners, or anyone who wants a dedicated EQ tripod\u003c\/td\u003e\n\u003ctd\u003eA spare or second tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-seestar\"\u003eZWO Seestar telescopes and accessories\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSeestar TH10 fluid head\u003c\/li\u003e\n\u003cli\u003eDetachable handle\u003c\/li\u003e\n\u003cli\u003eQuick release plate\u003c\/li\u003e\n\u003cli\u003eTwo 1\/4\" to 3\/8\" threaded screw adapters\u003c\/li\u003e\n\u003cli\u003eCoin wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/b04a70ae01f04036e17b97cf0b12c47c_jpg_a68bede8-fde8-4c1b-822d-e7511bdb2ade.webp?v=1747858038\" alt=\"TH10 fluid head box contents: head, handle, quick release plate, coin wrench and screw adapters\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe tripod and the Seestar are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eSeestar TH10 FAQ\u003c\/h2\u003e\n\u003ch3\u003eWhich Seestar models does it work with?\u003c\/h3\u003e\n\u003cp\u003eZWO designed the TH10 for running the Seestar S30, S30 Pro and S50 in EQ mode. On an S30 or S30 Pro, use it with a TC20 or full-size tripod rather than the S30's small tripod.\u003c\/p\u003e\n\u003ch3\u003eI have a Seestar S50. Is this all I need?\u003c\/h3\u003e\n\u003cp\u003eYes. The original S50 came with a TC20 tripod, and the TH10 screws onto it.\u003c\/p\u003e\n\u003ch3\u003eDo I need EQ mode?\u003c\/h3\u003e\n\u003cp\u003eNot for quick looks or short sessions. EQ mode matters when you stack a target for an hour or more, because it stops the field rotation that crops the edges of alt-az images.\u003c\/p\u003e\n\u003ch3\u003eIs it hard to polar align?\u003c\/h3\u003e\n\u003cp\u003eNo. Point one tripod leg and the head's dovetail north, set the tilt to your latitude using the printed scale, then switch the Seestar app to EQ mode.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with a camera?\u003c\/h3\u003e\n\u003cp\u003eYes. It's a standard fluid video head with a 5kg (11lb) rating and a 1\/4\" quick release plate, so it works with DSLRs, mirrorless cameras and camcorders, and it fits any tripod with a 3\/8\" screw.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eHead\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCNC-machined aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e411g (14.5oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load\u003c\/td\u003e\n\u003ctd\u003e5kg (11lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt range\u003c\/td\u003e\n\u003ctd\u003e-90° to +90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePan\u003c\/td\u003e\n\u003ctd\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping\u003c\/td\u003e\n\u003ctd\u003eHydraulic (fluid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMounting\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuick release plate\u003c\/td\u003e\n\u003ctd\u003eYes, 60 x 38mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlate screw\u003c\/td\u003e\n\u003ctd\u003e1\/4\", with adapter for 3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase thread\u003c\/td\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e84mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase diameter\u003c\/td\u003e\n\u003ctd\u003e50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eSS-TH10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46845703389443,"sku":"SS-TH10","price":94.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/b048a305af4954788fcb82b4645dc05d_jpg.webp?v=1749575284"},{"product_id":"seestar-tc20-tripod","title":"ZWO Seestar TC20 Carbon Fiber Tripod","description":"\u003ch2\u003eA taller, adjustable carbon tripod for your Seestar\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the TC20:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLifts and levels your Seestar:\u003c\/strong\u003e each leg adjusts on its own, from 235mm to 365mm (9.3–14.4 in) tall, so you can level the telescope on uneven ground and keep it up out of damp grass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight but stiff:\u003c\/strong\u003e it weighs about 0.6kg (1.3lb) and ZWO rates it for 30kg (66lb), far more than any Seestar or the TH10 fluid head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady for EQ mode:\u003c\/strong\u003e add the \u003ca href=\"\/products\/seestar-th10-fluid-tripod-head-eq-wedge\"\u003eTH10 fluid head\u003c\/a\u003e and the TC20 becomes the base for running a Seestar S30, S30 Pro or S50 in equatorial mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e this is the tripod that came with the original Seestar S50. It's a different model from the tripod included with the Seestar S50 Pro.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO Seestar TC20 Carbon Fiber Tripod\u003c\/strong\u003e is a compact tripod made for Seestar smart telescopes. It's a step up from the short, fixed tripod that comes with the Seestar S30 and S30 Pro, and a direct replacement for the tripod that came with the original Seestar S50. Carbon fiber legs with rubber feet give a steady, non-slip base, a standard 3\/8\" screw on top fits a Seestar, the TH10 head or a leveling base, and the tripod folds to 265mm (10.4 in) and packs into the included drawstring bag.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e carbon fiber legs · 235–365mm (9.3–14.4 in) height, legs adjust individually · about 0.6kg (1.3lb) · 30kg (66lb) load capacity · folds to 265mm (10.4 in) · 3\/8\" mounting screw · rubber feet · drawstring bag included\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ae693ace417e412449ec682a558cb833_jpg.webp?v=1771971050\" alt=\"ZWO Seestar TC20 carbon fiber tripod standing with its legs spread, foam grips and rubber feet\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat it's good for\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgrading a Seestar S30 or S30 Pro:\u003c\/strong\u003e more height and adjustable legs than the stock tripod.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEQ mode:\u003c\/strong\u003e with the TH10 fluid head on top, tilt the Seestar to your latitude and stack long sessions on targets like the Orion Nebula or the Andromeda Galaxy without field rotation cropping the edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplacing or adding a second S50 tripod:\u003c\/strong\u003e keep one set up for EQ mode and one for quick alt-az sessions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmall cameras:\u003c\/strong\u003e the 3\/8\" screw takes a tripod head for a camera or spotting scope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to set it up\u003c\/h2\u003e\n\u003cp\u003eUnfold the legs, extend each to the length you want and lock it, and stand the tripod on firm ground. For EQ mode, point one leg roughly north. Adjust the leg lengths to level the head, then thread on your Seestar, the TH10 head or a leveling base. ZWO's TH10 instructions walk through mounting the head with its dovetail groove facing north, in line with that north leg.\u003c\/p\u003e\n\u003cp\u003eNote: ZWO doesn't recommend a Seestar S50 on the TH10 and TC20 in EQ mode below 15° latitude, because the head can hit a leg at some angles. That doesn't affect anyone in the continental US.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seestar-th10-fluid-tripod-head-eq-wedge\"\u003e\u003cstrong\u003eZWO Seestar TH10 fluid head\u003c\/strong\u003e\u003c\/a\u003e: the head that lets a Seestar run in EQ mode on this tripod.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/precision-bubble-level-tripod-base-for-vespera-seestar\"\u003e\u003cstrong\u003ePrecision tripod leveler\u003c\/strong\u003e\u003c\/a\u003e: fine leveling on top of the tripod without adjusting the legs.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seestar-s30-pro\"\u003e\u003cstrong\u003eZWO Seestar S30 Pro\u003c\/strong\u003e\u003c\/a\u003e: if you don't have a Seestar yet.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich Seestar tripod option do you need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eTC20 tripod only\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/seestar-fluid-head-with-tripod-eq-wedge\"\u003eTH10 + TC20 kit\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/seestar-th10-fluid-tripod-head-eq-wedge\"\u003eTH10 head only\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eCarbon tripod and bag\u003c\/td\u003e\n\u003ctd\u003eFluid head, carbon tripod and bag\u003c\/td\u003e\n\u003ctd\u003eFluid head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnables EQ mode\u003c\/td\u003e\n\u003ctd\u003eOnly with a TH10 head\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes, on a tripod you already own\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eAbout 600g\u003c\/td\u003e\n\u003ctd\u003eAbout 1kg (2.2lb)\u003c\/td\u003e\n\u003ctd\u003e411g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eA taller S30 tripod, or a spare S50 tripod\u003c\/td\u003e\n\u003ctd\u003eS30 and S30 Pro owners who want EQ mode\u003c\/td\u003e\n\u003ctd\u003eOriginal S50 owners who already have a TC20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-seestar\"\u003eZWO Seestar telescopes and accessories\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO Seestar TC20 carbon fiber tripod\u003c\/li\u003e\n\u003cli\u003eZWO drawstring bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/0b0a42f26700d57b07306a79ef34b826-2_jpg.webp?v=1771971050\" alt=\"TC20 tripod open and folded with its ZWO drawstring bag and a spec table: 600g, 30kg load, 265mm folded, 235-365mm tall\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Seestar and the TH10 head are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eSeestar TC20 Tripod FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs this the same tripod that came with the Seestar S50?\u003c\/h3\u003e\n\u003cp\u003eYes, the TC20 is the tripod ZWO included with the original Seestar S50. It isn't the tripod that comes with the Seestar S50 Pro.\u003c\/p\u003e\n\u003ch3\u003eDoes it fit the Seestar S30 and S30 Pro?\u003c\/h3\u003e\n\u003cp\u003eYes. ZWO designed it for the S30 and S30 Pro as an upgrade from their stock tripod, and its 3\/8\" screw fits the Seestar's base.\u003c\/p\u003e\n\u003ch3\u003eDo I need it for EQ mode?\u003c\/h3\u003e\n\u003cp\u003eYou need a tripod under the \u003ca href=\"\/products\/seestar-th10-fluid-tripod-head-eq-wedge\"\u003eTH10 head\u003c\/a\u003e, and the TC20 is the one ZWO pairs with it. If you need both, the \u003ca href=\"\/products\/seestar-fluid-head-with-tripod-eq-wedge\"\u003eTH10 + TC20 kit\u003c\/a\u003e includes the two together.\u003c\/p\u003e\n\u003ch3\u003eHow tall is it?\u003c\/h3\u003e\n\u003cp\u003e235–365mm (9.3–14.4 in) without a head, which puts a Seestar at a comfortable height on a table or a few inches above the ground.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with a camera?\u003c\/h3\u003e\n\u003cp\u003eYes. Add a tripod head with a 3\/8\" thread, like the TH10, and it holds a small camera or spotting scope up to the head's rating (5kg for the TH10).\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eTripod\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLegs\u003c\/td\u003e\n\u003ctd\u003eCarbon fiber, individually adjustable, rubber feet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e235–365mm (9.3–14.4 in), without a head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFolded length\u003c\/td\u003e\n\u003ctd\u003e265mm (10.4 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e600g ±30g (about 1.3lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad capacity\u003c\/td\u003e\n\u003ctd\u003e30kg (66lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting thread\u003c\/td\u003e\n\u003ctd\u003e3\/8\" screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePackage\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eTC20 tripod, ZWO drawstring bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eSS-TC20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46845759226115,"sku":"SS-TC20","price":94.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ae693ace417e412449ec682a558cb833_jpg.webp?v=1771971050"},{"product_id":"asi585mc-air","title":"ZWO ASI585MC Air Color Smart Camera with Built-in ASIAIR and Guider","description":"\u003ch2\u003eA cooled color camera, guider and ASIAIR in one small body\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI585MC Air:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThe lowest-cost way into a cooled ASIAIR setup:\u003c\/strong\u003e one $999 body holds a cooled color IMX585 camera, a separate guide sensor and a full ASIAIR with 256GB of storage. There's no guide scope, controller or laptop to buy or mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor in one shot:\u003c\/strong\u003e no filter wheel or LRGB filters to manage, so a whole night's data is one set of frames you can live stack in the app and process with simple tools.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, low-noise data:\u003c\/strong\u003e the STARVIS 2 sensor has zero amp glow and read noise as low as 0.7e⁻, and two-stage cooling holds it 30–35°C below ambient for matching dark frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the sensor is small (11.2 × 6.3mm), so it frames galaxies and smaller nebulae better than big wide fields. A dual-band filter dims the guide stars too, and since everything is in one unit, if it needs service your whole rig is down.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI585MC Air\u003c\/strong\u003e is a wireless smart deep-sky camera that combines three devices: a cooled one-shot-color camera built on Sony's 8.3MP STARVIS 2 IMX585 sensor, an SC2210 guide sensor, and an ASIAIR controller with 256GB of storage. You run the camera, mount, guiding, focuser and plate solving from the ASIAIR app on a phone or tablet. It suits imagers stepping up from a smart telescope or a DSLR who want a simple, compact rig on a small refractor. The body is 78mm across and 108mm tall, and weighs 620g (1.4lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX585 STARVIS 2 color sensor, 1\/1.2\" (11.2 × 6.3mm) · 8.3MP (3840 × 2160) · 2.9µm pixels · read noise 0.7–6.67e⁻ · zero amp glow · two-stage cooling 30–35°C below ambient · built-in guide sensor (SC2210, 0.6e⁻) · built-in ASIAIR, 256GB · dual-band Wi-Fi and Bluetooth · 620g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/1-2.jpg?v=1748440387\" alt=\"ZWO ASI585MC Air cooled color smart camera with antenna and UV\/IR-cut sensor window\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies:\u003c\/strong\u003e the Whirlpool, Pinwheel, Sunflower and Black Eye Galaxies, M81 and M82, and the Leo Triplet. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 1.3° × 0.7° at 1.2″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebulae in color:\u003c\/strong\u003e the Orion, Lagoon, Trifid, Eagle and Crescent Nebulae. Add a dual-band filter and emission nebulae come through from a light-polluted backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary nebulae and clusters:\u003c\/strong\u003e the Ring, Dumbbell and Owl Nebulae, and the Hercules Cluster (M13) and Pleiades in natural color.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider targets:\u003c\/strong\u003e on the 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field grows to about 2.6° × 1.4° at 2.4″ per pixel, enough for the Rosette, the Heart Nebula's core or the Andromeda Galaxy's bright center.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eMount the camera on your telescope, plug the mount, focuser and any other USB gear into its four USB 2.0 ports, and connect 12V power to either DC port (they also pass power on to other gear). The ASIAIR app connects over 2.4 or 5GHz Wi-Fi and walks you through polar alignment, focusing, plate solving, guiding and an imaging plan. Live stacking and simple editing in the app let you watch the image build, and you can also run the camera from a computer with ASIStudio or ASCOM Alpaca software (ASCOM Platform 6.6 or later). Images save to the 256GB of built-in storage or to a USB drive of up to 1TB.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the camera face, and the included 21mm and 16.5mm extenders bring it to the standard 55mm. The guide sensor needs a 36mm image circle, so ZWO recommends a telescope that covers APS-C or larger; a full-frame image circle gives the best guide stars. The sensor window has a UV\/IR-cut coating, so you don't need a separate IR-cut filter.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/afca28abf07b173e0139e67a2f347eaa_jpg.webp?v=1764171490\" alt=\"Spacer stack for the 585MC Air: M48-M42 ring, 16.5mm and 21mm extenders and the camera for 55mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCity or dark site:\u003c\/strong\u003e shoot emission nebulae from home with a dual-band filter, and save galaxies and clusters for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e the camera is rated to −20°C, runs from one 12V battery, and its cooler holds a set temperature as the night cools. Keep your phone warm, since it's your control screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi range:\u003c\/strong\u003e ZWO rates it at 20m on 2.4GHz in open areas, so it works best from a backyard or right next to the car.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field. It powers the camera and the gear plugged into it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA telescope that covers APS-C or larger:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e (490mm, 44mm image circle) or the wider \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e (250mm). The \u003ca href=\"\/products\/zwo-70apo-am3n-bundle\"\u003eFF70 + AM3N bundle\u003c\/a\u003e adds a matching mount.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dual-band filter for city nebulae:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e in the 2\" size, held in a \u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m42\"\u003eZWO M42 2\" filter drawer\u003c\/a\u003e so you can swap it in and out without touching focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: plugs into the camera and refocuses automatically as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am3n-harmonic-drive-equatorial-mount-with-tc40-tripod-17-28-lbs-capacity\"\u003eZWO AM3N with TC40 tripod\u003c\/a\u003e or the \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e, both controlled directly by the built-in ASIAIR.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI585MC Air vs. ASI585MM Air vs. ASI2600MC Air\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI585MC Air\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mm-air\"\u003eASI585MM Air\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-air\"\u003eASI2600MC Air\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain sensor\u003c\/td\u003e\n\u003ctd\u003eIMX585 color, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX585 mono, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 2.9µm pixels\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 2.9µm pixels\u003c\/td\u003e\n\u003ctd\u003e26MP, 3.76µm pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField on a 490mm refractor\u003c\/td\u003e\n\u003ctd\u003e1.3° × 0.7°\u003c\/td\u003e\n\u003ctd\u003e1.3° × 0.7°\u003c\/td\u003e\n\u003ctd\u003e2.7° × 1.8°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eFilter wheel and LRGB\/narrowband filters\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in ASIAIR and guide sensor\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$999\u003c\/td\u003e\n\u003ctd\u003e$1,299\u003c\/td\u003e\n\u003ctd\u003e$1,999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eThe simplest color setup at the lowest price\u003c\/td\u003e\n\u003ctd\u003eNarrowband and the most detail on small targets\u003c\/td\u003e\n\u003ctd\u003eWide fields in color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-asiair\"\u003eZWO ASIAIR products\u003c\/a\u003e and \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/3a8def96d358bedbf43a46018a488697_jpg.webp?v=1764171490\" alt=\"ZWO ASI585MC Air box contents with camera bag, DC and USB cables, extenders, tilter and antenna\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI585MC Air camera and camera bag\u003c\/li\u003e\n\u003cli\u003eExternal Wi-Fi antenna\u003c\/li\u003e\n\u003cli\u003eDC cable (1m) and DC male-female extension cable (1.5m)\u003c\/li\u003e\n\u003cli\u003eTwo 0.5m USB 2.0 cables (Type-A to Type-B)\u003c\/li\u003e\n\u003cli\u003eT2 extender (21mm), T2-M48 extender (16.5mm) and M42-M48 tilter\u003c\/li\u003e\n\u003cli\u003e1m hook-and-loop strap and 2mm (M2.5) hex wrench\u003c\/li\u003e\n\u003cli\u003eQuick guide and packing list\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, telescope, mount and filters are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI585MC Air FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI585MC Air good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's one of the simplest ways into cooled deep-sky imaging: one camera to connect, no filter wheel, and the ASIAIR app walks you through each step. It's a natural next step after a Seestar or other smart telescope. You'll still need a mount, a small refractor and 12V power.\u003c\/p\u003e\n\u003ch3\u003eColor (MC) or mono (MM) Air?\u003c\/h3\u003e\n\u003cp\u003eChoose the MC for color in one shot with no filters to manage, at a lower price. Choose the \u003ca href=\"\/products\/asi585mm-air\"\u003eASI585MM Air\u003c\/a\u003e if you want to shoot narrowband from light-polluted skies and don't mind a filter wheel and processing separate channels.\u003c\/p\u003e\n\u003ch3\u003eASI585MC Air or ASI2600MC Air?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi2600mc-air\"\u003eASI2600MC Air\u003c\/a\u003e has a much larger APS-C sensor, about 2.1 times the field width on the same telescope, for big nebulae and the Andromeda Galaxy. The 585MC Air costs $1,000 less and is a good match for galaxies and smaller targets on short refractors.\u003c\/p\u003e\n\u003ch3\u003eDo I still need a guide scope or computer?\u003c\/h3\u003e\n\u003cp\u003eNo. The guide sensor guides through your telescope like an off-axis guider, and the built-in ASIAIR runs everything from the free app on your phone or tablet.\u003c\/p\u003e\n\u003ch3\u003eCan it guide through a dual-band filter?\u003c\/h3\u003e\n\u003cp\u003eYes, but the filter dims the guide stars too, since it sits in front of both sensors. A full-frame image circle, a fast telescope and slightly longer guide exposures all help. Use a 2\" filter so it covers the 36mm circle both sensors need.\u003c\/p\u003e\n\u003ch3\u003eCan I image planets with it?\u003c\/h3\u003e\n\u003cp\u003eIt isn't built for planets, since its frame rates are low for lucky imaging. For the Moon, Sun and planets, the \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e planetary camera uses the same sensor at high speed.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMain sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX585 STARVIS 2, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\", 11.2 × 6.3mm (13.2mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.7–6.67e⁻ (high-conversion-gain mode from gain 252)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e40,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnity gain\u003c\/td\u003e\n\u003ctd\u003e198\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e88% (ZWO lab estimate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e10.8 fps at 1920 × 1080 (RAW8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (tested at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-dew heater\u003c\/td\u003e\n\u003ctd\u003e2.4W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor window\u003c\/td\u003e\n\u003ctd\u003eUV\/IR-cut coated (passes about 400–690nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eGuide sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSC2210, 1\/1.8\" (7.68 × 4.32mm), mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 × 1080, 4µm pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.6–3.2e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e92% at 500nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e8.5 fps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eBuilt-in ASIAIR and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory and storage\u003c\/td\u003e\n\u003ctd\u003e2GB DDR4; 256GB eMMC; external USB drives up to 1TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eDual-band 2.4\/5GHz Wi-Fi (802.11ac), 20m rated range; Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e4 × USB 2.0, 1 × USB-C, 2 × 12V DC in\/out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3A to 10A input; 24.6W maximum for the camera\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eASIAIR app; ASIStudio; ASCOM Alpaca (Windows, Linux, macOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired image circle\u003c\/td\u003e\n\u003ctd\u003e36mm (APS-C or larger telescope recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e78mm diameter × 108mm; antenna 94mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e620g (1.4lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e−20°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eASI585MC-Air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46874504233219,"sku":"ZWO-ASI585MC-Air","price":799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/1-2.jpg?v=1748440387"},{"product_id":"asi2600mm-air-mono","title":"ZWO ASI2600MM Air Mono Smart Camera with Built-in ASIAIR and Guider","description":"\u003ch2\u003eAPS-C mono imaging with the ASIAIR and guider built in\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI2600MM Air:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA proven mono sensor, far fewer parts:\u003c\/strong\u003e the same 26MP IMX571 mono sensor as the ASI2600MM Pro, plus a guide sensor and a full ASIAIR in one cooled body. Your filter wheel, focuser and mount plug straight into the camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband from the city:\u003c\/strong\u003e with Ha, OIII and SII filters, a mono APS-C sensor pulls faint nebulae out of Front Range light pollution, and the 16-bit output and up to 73,000e⁻ full well keep bright star cores from clipping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuiding through your telescope:\u003c\/strong\u003e the guide sensor sits beside the main sensor like a built-in off-axis guider, so there's no guide scope, OAG or guide camera to set up.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e your filters sit in front of the guide sensor too, so you need 2\" filters and a telescope with a full-frame image circle (43mm), and guide stars get fainter through narrowband filters. Everything lives in one unit, so if it needs service your whole rig is down.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI2600MM Air\u003c\/strong\u003e is a wireless smart deep-sky camera that combines three devices: a cooled monochrome imaging camera built on Sony's 26MP APS-C IMX571 sensor, an SC2210 guide sensor, and an ASIAIR controller with 256GB of storage. You run the camera, filter wheel, focuser, mount, guiding and plate solving from the ASIAIR app on a phone or tablet. It's for imagers ready for LRGB and narrowband who want a wide APS-C field without a nest of cables and separate boxes. The body is 90mm across and 98mm tall, and weighs 775g (1.7lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX571 APS-C mono sensor (23.5 × 15.7mm) · 26MP (6248 × 4176) · 3.76µm pixels · 16-bit ADC · read noise 0.84–4.2e⁻ · cooling 30–35°C below ambient · built-in guide sensor (SC2210, 0.6e⁻) · built-in ASIAIR, 256GB · dual-band Wi-Fi and Bluetooth · 775g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-asi2600mc-air-smart-camera-rear-ports.jpg?v=1791004712\" alt=\"Sensor face of the ZWO ASI2600MM Air with the APS-C mono sensor and the small guide sensor above it\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge nebulae in narrowband:\u003c\/strong\u003e the Heart and Soul, North America and Pelican, Veil, California and Rosette Nebulae. On the 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field is about 5.4° × 3.6° at 3.1″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBicolor and Hubble-palette targets:\u003c\/strong\u003e the Eagle Nebula and Pillars of Creation, the Elephant's Trunk, Crescent, Bubble and Pacman Nebulae, all workable from a Denver backyard in Ha, OIII and SII.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies in LRGB:\u003c\/strong\u003e the Andromeda, Triangulum, Whirlpool and Pinwheel Galaxies and M81\/M82. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 2.7° × 1.8° at 1.6″ per pixel; on the 612mm \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eFF90\u003c\/a\u003e it's 2.2° × 1.5° at 1.3″.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaint structure:\u003c\/strong\u003e the Squid Nebula (Ou4) inside the Flying Bat, and the faint outer loops of the Cygnus region, reward long OIII and Ha integrations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eMount the camera on your telescope, plug the filter wheel, focuser and mount into its four USB 2.0 ports, and connect 12V power to any of the three DC ports; the other two feed 12V on to dew heaters or other gear. The ASIAIR app connects over 2.4 or 5GHz Wi-Fi (or Bluetooth for ZWO AM-series mounts) and walks you through polar alignment, focusing, plate solving, guiding and an imaging plan that steps through each filter. You can also run the camera from a computer with ASIStudio or ASCOM Alpaca software (ASCOM Platform 6.6 or later), and images save to 256GB of built-in storage or a USB drive of up to 1TB.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the M54 camera face, and the included 16.5mm and 21mm M54 extenders and M54-M48 ring bring it to the standard 55mm. A 2\" filter wheel takes the place of some of those spacers. ZWO specifies a 43mm image circle to cover both sensors, so choose a telescope sold as full-frame compatible, such as the ZWO FF quadruplets (44mm).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/de6a199b7f0b9427aba7cd585bfef729.webp?v=1776292171\" alt=\"ASI2600 Air spacer setup: M54-M48 ring, 16.5mm and 21mm M54 extenders and the camera for 55mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse the moon:\u003c\/strong\u003e narrowband filters let you keep imaging nebulae on moonlit nights and from the city, and save LRGB galaxies for dark sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e the camera is rated to −20°C and its cooler holds a set temperature as the night cools. Keep your phone warm, since it's your control screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi range:\u003c\/strong\u003e ZWO rates it at 20m on 2.4GHz in open areas, so it works best from a backyard or right next to the car.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12V power (required):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-12v-10a-ac-to-dc-adapter-us\"\u003eZWO 12V 10A adapter\u003c\/a\u003e at home (the camera can feed a filter wheel, focuser and dew heaters), or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA 2\" filter wheel (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003eZWO EFW 7x2\"\u003c\/a\u003e holds LRGB plus Ha, OIII and SII; the \u003ca href=\"\/products\/zwo-5-position-efw-5x2-2025\"\u003eZWO EFW 5x2\"\u003c\/a\u003e holds LRGB plus Ha. Both plug into the camera's USB ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband filters:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-sho-7nm-3-filter-set\"\u003eOptolong SHO 7nm set\u003c\/a\u003e, in the 2\" size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLRGB filters:\u003c\/strong\u003e the \u003ca href=\"\/products\/optolong-lrgb-filters-4-pieces\"\u003eOptolong LRGB set\u003c\/a\u003e in 2\" for galaxies and star clusters in natural color.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically between filters and as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA full-frame telescope and a mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eZWO FF90\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e on a \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e, which the built-in ASIAIR controls directly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI2600MM Air vs. ASI2600MC Air vs. ASI2600MM Pro setup\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI2600MM Air\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-air\"\u003eASI2600MC Air\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\n\u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e + ASIAIR Plus + guider\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain sensor\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 91%\u003c\/td\u003e\n\u003ctd\u003eAbout 80%\u003c\/td\u003e\n\u003ctd\u003eAbout 91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003e2\" filter wheel and LRGB\/narrowband filters\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eFilter wheel and 36mm or 2\" filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGuiding\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor\u003c\/td\u003e\n\u003ctd\u003eBuilt-in guide sensor\u003c\/td\u003e\n\u003ctd\u003eSeparate \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e and \u003ca href=\"\/products\/zwo-oag-off-axis-guider\"\u003eOAG\u003c\/a\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003eBuilt-in ASIAIR, 256GB\u003c\/td\u003e\n\u003ctd\u003eBuilt-in ASIAIR, 256GB\u003c\/td\u003e\n\u003ctd\u003eSeparate \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e or a computer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$2,499\u003c\/td\u003e\n\u003ctd\u003e$1,999\u003c\/td\u003e\n\u003ctd\u003eAbout $2,825 for all four\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eNarrowband and LRGB with the simplest rig\u003c\/td\u003e\n\u003ctd\u003eColor in one shot, no filters\u003c\/td\u003e\n\u003ctd\u003eAny software, upgrading parts one at a time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-asiair\"\u003eZWO ASIAIR products\u003c\/a\u003e and \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/b04a70ae01f04036e17b97cf0b12c47c-1_jpg.webp?v=1748537178\" alt=\"ZWO ASI2600MM Air box contents: camera bag, power cords, USB cables, M54 extenders, M48 ring and antenna\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI2600MM Air camera and camera bag\u003c\/li\u003e\n\u003cli\u003eExternal Wi-Fi antenna\u003c\/li\u003e\n\u003cli\u003eTwo 1m power cords and a 1.5m DC male-female extension cable\u003c\/li\u003e\n\u003cli\u003eTwo 0.5m USB 2.0 cables\u003c\/li\u003e\n\u003cli\u003e16.5mm M54 adapter, 21mm M54 extender and M54-M48 ring\u003c\/li\u003e\n\u003cli\u003e1m cable strap and 2mm (M2.5) hex wrench\u003c\/li\u003e\n\u003cli\u003eQuick guide and packing list\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filter wheel, filters, telescope and mount are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI2600MM Air FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI2600MM Air good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's the simplest APS-C mono setup we sell, since the controller and guider are built in and the app walks you through each step. Mono imaging still means a filter wheel, filters and combining separate channels in processing, so if you're new to astrophotography, the color \u003ca href=\"\/products\/asi2600mc-air\"\u003eASI2600MC Air\u003c\/a\u003e is an easier start.\u003c\/p\u003e\n\u003ch3\u003eMono (MM) or color (MC) Air?\u003c\/h3\u003e\n\u003cp\u003eChoose the MM for narrowband from light-polluted skies, the highest sensitivity and the sharpest detail per pixel. Choose the \u003ca href=\"\/products\/asi2600mc-air\"\u003eMC Air\u003c\/a\u003e for color in one shot with no filter wheel, at $500 less.\u003c\/p\u003e\n\u003ch3\u003eASI2600MM Air or ASI2600MM Pro?\u003c\/h3\u003e\n\u003cp\u003eBoth use the same mono IMX571 sensor. The Air saves about $325 and a lot of cabling over buying the \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro\u003c\/a\u003e, an ASIAIR Plus, a guide camera and an OAG. The Pro makes sense if you want other capture software, already own an ASIAIR or guider, or want to use smaller, less expensive 36mm filters.\u003c\/p\u003e\n\u003ch3\u003eWhat size filters do I need?\u003c\/h3\u003e\n\u003cp\u003e2\" filters. The filter sits in front of both the main and guide sensors, and ZWO specifies a 43mm image circle to cover both, which 36mm and 1.25\" filters are too small for.\u003c\/p\u003e\n\u003ch3\u003eCan it guide through narrowband filters?\u003c\/h3\u003e\n\u003cp\u003eYes, but narrowband filters dim the guide stars too. A fast telescope with a full-frame image circle and slightly longer guide exposures help.\u003c\/p\u003e\n\u003ch3\u003eDo I need a computer?\u003c\/h3\u003e\n\u003cp\u003eNo. The built-in ASIAIR runs everything from the free ASIAIR app on a phone or tablet. You can still use ASIStudio, or NINA and other programs through ASCOM Alpaca, on a computer if you prefer.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMain sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX571, back-illuminated, mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eAPS-C, 23.5 × 15.7mm (28.3mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e26MP, 6248 × 4176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.84–4.2e⁻ (1.4e⁻ at gain 100, where high-conversion-gain mode starts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e50,000e⁻; up to 73,000e⁻ in extended mode (gain −25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003eAbout 91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e10.8 fps at 1920 × 1080; 36.4 fps at 320 × 240\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (tested at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-dew heater\u003c\/td\u003e\n\u003ctd\u003e3.6W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor window\u003c\/td\u003e\n\u003ctd\u003eAR-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eGuide sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSC2210, 1\/1.8\" (7.68 × 4.32mm), mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 × 1080, 4µm pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.6–3.2e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e92% at 500nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e8.5 fps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eBuilt-in ASIAIR and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory and storage\u003c\/td\u003e\n\u003ctd\u003e2GB DDR4; 256GB eMMC; external USB drives up to 1TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eDual-band 2.4\/5GHz Wi-Fi (802.11ac), 20m rated range; Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e4 × USB 2.0, 1 × USB-C, 3 × 12V DC (any one as input, the other two as outputs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3A to 10A input; 27.6W maximum for the camera\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eASIAIR app; ASIStudio; ASCOM Alpaca (Windows, Linux, macOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired image circle\u003c\/td\u003e\n\u003ctd\u003e43mm (full-frame telescope recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e90mm diameter × 98mm; antenna 94mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e775g (1.7lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e−20°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI2600MM-Air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46879958270211,"sku":"ZWO-ASI2600MM-Air","price":2249.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-asi2600mc-air-smart-camera-rear-ports.jpg?v=1791004712"},{"product_id":"seestar-fluid-head-with-tripod-eq-wedge","title":"ZWO Seestar TH10 Fluid Head \u0026 TC20 Carbon Tripod Kit for EQ Mode","description":"\u003ch2\u003ePut your Seestar in EQ mode for longer, sharper exposures\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the TH10 and TC20 kit:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo more field rotation:\u003c\/strong\u003e in its normal alt-az mode, a Seestar's image slowly rotates during a long session, which crops the edges of your stacked picture. Tilted to your latitude on the TH10 head, the Seestar tracks like an equatorial mount, so the whole frame stays usable and you can stack for hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRequired for EQ mode on the S30 Pro:\u003c\/strong\u003e ZWO's EQ mode on the Seestar S30 Pro needs the TH10 head.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLight and tiny:\u003c\/strong\u003e the head weighs 411g and the carbon fiber tripod about 600g, and the tripod folds to just 265mm (10.4\"), so the whole kit fits in a backpack beside your Seestar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth adjustment:\u003c\/strong\u003e the fluid (hydraulic) damping and printed scales make it easy to set your latitude and point the Seestar north.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO Seestar TH10 Fluid Head and TC20 Carbon Fiber Tripod kit\u003c\/strong\u003e is ZWO's equatorial setup for Seestar smart telescopes. The TH10 is a compact aluminum fluid head that tilts from -90° to +90° and pans 360°, so you can tip a Seestar to your latitude and switch to EQ mode in the app. The TC20 is a short, stiff carbon fiber tripod with a 30kg rating. Together they weigh about 1kg (2.2lb), and the head also works with cameras up to 5kg (11lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e TH10 fluid head, 411g, 5kg (11lb) load · tilt -90° to +90°, 360° pan · 1\/4\" screw with 3\/8\" adapter, 3\/8\" base thread · TC20 carbon fiber tripod, about 600g, 30kg rating · height 235-365mm · folds to 265mm\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-TC20-TH10-combo-kit-sor-seestar-s30-s30pro.jpg?v=1790625607\" alt=\"Seestar TH10 fluid head with handle mounted on the TC20 carbon fiber tripod\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat EQ mode does for your images\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLonger sessions without cropping:\u003c\/strong\u003e stack an hour or more on the Orion Nebula, the Andromeda Galaxy or the Heart Nebula and keep the full field.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaner edges:\u003c\/strong\u003e no rotated, ragged borders on your stacked images.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBetter framing of large targets:\u003c\/strong\u003e keep big objects like the North America Nebula centered through a long session.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to set it up\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eOpen the TC20 tripod on a flat surface with one leg pointing roughly north, and center the bubble level.\u003c\/li\u003e\n\u003cli\u003eScrew the 1\/4\" to 3\/8\" adapter into the bottom of your Seestar and tighten it with the coin wrench, then attach the quick release plate.\u003c\/li\u003e\n\u003cli\u003eMount the TH10 on the tripod with its dovetail groove facing north, in line with the north-facing leg.\u003c\/li\u003e\n\u003cli\u003eSlide the Seestar onto the head, set the tilt scale to your latitude (about 40° here in Denver), then switch to EQ mode in the Seestar app.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eNote: ZWO doesn't recommend the TC20 with a Seestar S50 in EQ mode below 15° latitude, because the S50 can hit the tripod legs at some angles. That doesn't affect anyone in the continental US.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seestar-s30-pro\"\u003e\u003cstrong\u003eZWO Seestar S30 Pro\u003c\/strong\u003e\u003c\/a\u003e (required if you don't own a Seestar yet): this kit is how you unlock its EQ mode.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/precision-bubble-level-tripod-base-for-vespera-seestar\"\u003e\u003cstrong\u003ePrecision tripod leveler\u003c\/strong\u003e\u003c\/a\u003e: fine leveling under the head without adjusting the tripod legs.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/seestar-th10-fluid-tripod-head-eq-wedge\"\u003e\u003cstrong\u003eTH10 fluid head on its own\u003c\/strong\u003e\u003c\/a\u003e: if you already have a TC20 tripod (it comes with the original Seestar S50), the head is all you need.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich Seestar EQ option do you need?\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eTH10 + TC20 kit\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/seestar-th10-fluid-tripod-head-eq-wedge\"\u003eTH10 head only\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/seestar-tc20-tripod\"\u003eTC20 tripod only\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eFluid head, carbon tripod, drawstring bag\u003c\/td\u003e\n\u003ctd\u003eFluid head\u003c\/td\u003e\n\u003ctd\u003eCarbon tripod and bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnables EQ mode\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes, on a tripod you already own\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eAbout 1kg (2.2lb)\u003c\/td\u003e\n\u003ctd\u003e411g\u003c\/td\u003e\n\u003ctd\u003eAbout 600g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eS30 and S30 Pro owners, or anyone who wants a dedicated EQ tripod\u003c\/td\u003e\n\u003ctd\u003eOriginal S50 owners who already have a TC20\u003c\/td\u003e\n\u003ctd\u003eA spare or upgraded tripod\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-seestar\"\u003eZWO Seestar telescopes and accessories\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSeestar TH10 fluid head\u003c\/li\u003e\n\u003cli\u003eDetachable handle\u003c\/li\u003e\n\u003cli\u003eQuick release plate\u003c\/li\u003e\n\u003cli\u003eTwo 1\/4\" to 3\/8\" threaded screw adapters\u003c\/li\u003e\n\u003cli\u003eCoin wrench\u003c\/li\u003e\n\u003cli\u003eSeestar TC20 carbon fiber tripod\u003c\/li\u003e\n\u003cli\u003eZWO drawstring bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/b04a70ae01f04036e17b97cf0b12c47c_jpg_a68bede8-fde8-4c1b-822d-e7511bdb2ade.webp?v=1747858038\" alt=\"TH10 fluid head box contents: head, handle, quick release plate, coin wrench and screw adapters\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe Seestar is sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eSeestar TH10 and TC20 kit FAQ\u003c\/h2\u003e\n\u003ch3\u003eWhich Seestar models does it work with?\u003c\/h3\u003e\n\u003cp\u003eZWO designed the TH10 for running the Seestar S30, S30 Pro and S50 in EQ mode, and we also sell it in our \u003ca href=\"\/products\/zwo-seestar-s50-pro-fluid-head-eq-bundle-smart-telescope-4k-dual-lens\"\u003eS50 Pro EQ bundle\u003c\/a\u003e. It also fits cameras and camcorders with a 1\/4\" or 3\/8\" thread.\u003c\/p\u003e\n\u003ch3\u003eDo I need EQ mode?\u003c\/h3\u003e\n\u003cp\u003eNot for quick looks or short sessions. EQ mode matters when you stack a target for an hour or more, because it stops the field rotation that crops the edges of alt-az images.\u003c\/p\u003e\n\u003ch3\u003eI have a Seestar S50. Which do I need?\u003c\/h3\u003e\n\u003cp\u003eThe original S50 came with a TC20 tripod, so the \u003ca href=\"\/products\/seestar-th10-fluid-tripod-head-eq-wedge\"\u003eTH10 head\u003c\/a\u003e alone is enough. This kit makes sense if you want a second tripod that stays set up for EQ mode.\u003c\/p\u003e\n\u003ch3\u003eIs it hard to polar align?\u003c\/h3\u003e\n\u003cp\u003eNo. Point one tripod leg and the head's dovetail north, set the tilt to your latitude using the printed scale, then switch the Seestar app to EQ mode.\u003c\/p\u003e\n\u003ch3\u003eCan I use it with a camera?\u003c\/h3\u003e\n\u003cp\u003eYes. The TH10 is a standard fluid video head with a 5kg (11lb) rating and a 1\/4\" quick release plate, so it works with DSLRs, mirrorless cameras and camcorders.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eTH10 fluid head\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eCNC-machined aluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e411g (14.5oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum load\u003c\/td\u003e\n\u003ctd\u003e5kg (11lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt range\u003c\/td\u003e\n\u003ctd\u003e-90° to +90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePan\u003c\/td\u003e\n\u003ctd\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDamping\u003c\/td\u003e\n\u003ctd\u003eHydraulic (fluid)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTop thread\u003c\/td\u003e\n\u003ctd\u003e1\/4\" quick release plate screw, with 3\/8\" adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBase thread\u003c\/td\u003e\n\u003ctd\u003e3\/8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e84mm tall, 50mm base, 60 x 38mm plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eTC20 tripod\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLegs\u003c\/td\u003e\n\u003ctd\u003eCarbon fiber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e600g ±30g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad rating\u003c\/td\u003e\n\u003ctd\u003e30kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e235-365mm (without head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFolded length\u003c\/td\u003e\n\u003ctd\u003e265mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eKit\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eSS-TH10-TC20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46919909179651,"sku":"SS-TH10-TC20","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-TC20-TH10-combo-kit-sor-seestar-s30-s30pro.jpg?v=1790625607"},{"product_id":"zwo-eafn-pro-electronic-auto-focuser","title":"ZWO EAF Pro Electronic Auto Focuser (Bluetooth, Built-in Battery)","description":"\u003ch2\u003eAutofocus without a cable, plus buttons right on the focuser\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the EAF Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne less cable:\u003c\/strong\u003e a built-in battery and Bluetooth 5.0 let it focus with no wires at all. ZWO's test ran it for 7 nights of 8 hours, refocusing twice an hour, on one charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocus by hand when you want to:\u003c\/strong\u003e IN and OUT buttons on the body let you focus visually or rough in focus at the scope, with no phone or hand controller needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSame precision as the EAFN:\u003c\/strong\u003e the 1:128 gear reduction moves the focuser in tiny, repeatable steps, and it handles up to 5kg (11lb) of camera and filters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat we tell customers:\u003c\/strong\u003e if your rig already has a USB hub and you never touch the focuser by hand, the \u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003eEAFN\u003c\/a\u003e does the same job for less. Pick the Pro for wireless setups, portable rigs and visual use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO EAF Pro Electronic Auto Focuser\u003c\/strong\u003e is a motor that attaches to your telescope's focuser and turns it for you. Paired with an ASIAIR, a ZWO smart camera or a computer, it runs autofocus routines that measure star sizes and find best focus, then refocuses through the night as the temperature changes. It's the premium version of ZWO's new-generation EAF, adding a built-in lithium battery, Bluetooth, focus buttons, a power switch and a status light, and it weighs 258g (9.1oz).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e stepper motor with 1:128 reduction · 5kg (11lb) focuser load · Bluetooth 5.0 and USB-C · built-in lithium battery (about 7 nights per charge in ZWO's test) · IN\/OUT buttons · ASCOM and INDI · works with ASIAIR · 258g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/4_405846ac-fc71-4526-81b3-b92a8bcdaa74.jpg?v=1750260205\" alt=\"ZWO EAF Pro auto focuser showing its IN and OUT buttons, power switch and USB-C port\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat it does for your images\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutofocus in a couple of minutes:\u003c\/strong\u003e the ASIAIR or N.I.N.A. steps through focus, measures star sizes and lands on best focus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefocus as it cools:\u003c\/strong\u003e set it to refocus after a temperature change, after a set number of frames, or after each filter change on a mono camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRepeatable positions:\u003c\/strong\u003e save the focus position for each filter or camera and return to it in seconds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSharper planets:\u003c\/strong\u003e fine-tune focus on Jupiter or Saturn from your phone or laptop without shaking the telescope.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to install it\u003c\/h2\u003e\n\u003cp\u003eRemove one of your focuser's coarse knobs, slide the matching flexible coupling onto the focuser shaft, then attach the EAF Pro and its bracket to the focuser with the supplied screws. Four couplings in different sizes and five spacers are included, so the standard bracket fits most Crayford and rack-and-pinion focusers. Celestron SCTs and Takahashi refractors need a model-specific bracket (see below).\u003c\/p\u003e\n\u003cp\u003eConnect it to the ASIAIR app over Bluetooth, or plug it in with USB-C, which also charges the battery. Software support includes ZWO's ASIAIR app and ASIStudio, plus ASCOM and INDI programs such as N.I.N.A., SharpCap, FireCapture, Sequence Generator Pro, MaxIm DL, TheSkyX and FocusMax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eASIAIR power tip:\u003c\/strong\u003e a USB-C to USB-C cable from the ASIAIR's USB-C port carries data only. To charge or power the focuser from the ASIAIR, use one of its regular USB ports.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus 256GB\u003c\/strong\u003e\u003c\/a\u003e: autofocus is one tap in the app, and it connects to the EAF Pro over Bluetooth.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-temperature-sensor\"\u003e\u003cstrong\u003eZWO EAF temperature sensor\u003c\/strong\u003e\u003c\/a\u003e: lets your software refocus automatically when the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-hand-control\"\u003e\u003cstrong\u003eZWO EAF hand control\u003c\/strong\u003e\u003c\/a\u003e: a wired paddle if you'd rather not reach for the focuser.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-bracket-for-c8-and-c9-25\"\u003e\u003cstrong\u003eEAF bracket for C8 and C9.25\u003c\/strong\u003e\u003c\/a\u003e, \u003ca href=\"\/products\/zwo-eaf-bracket-for-c11-and-c14\"\u003e\u003cstrong\u003eC11 and C14\u003c\/strong\u003e\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-eaf-bracket-for-takahashi-scopes\"\u003e\u003cstrong\u003eTakahashi\u003c\/strong\u003e\u003c\/a\u003e (required for those telescopes): each includes the 4mm coupler the new EAF needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eZWO EAF Pro vs. EAFN\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eEAF Pro\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003eEAFN\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eUSB-C and Bluetooth 5.0\u003c\/td\u003e\n\u003ctd\u003eUSB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eUSB-C or built-in battery\u003c\/td\u003e\n\u003ctd\u003eOver USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocus buttons on the body\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo (optional hand control)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower switch and status light\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e258g\u003c\/td\u003e\n\u003ctd\u003e215g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad capacity\u003c\/td\u003e\n\u003ctd\u003e5kg (11lb)\u003c\/td\u003e\n\u003ctd\u003e5kg (11lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eWireless and portable rigs, visual observers\u003c\/td\u003e\n\u003ctd\u003eImaging rigs with a USB hub or ASIAIR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-eaf\"\u003eZWO EAF focusers and brackets\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZWO EAF Pro focuser body\u003c\/li\u003e\n\u003cli\u003eStandard mounting bracket\u003c\/li\u003e\n\u003cli\u003e2m USB cable\u003c\/li\u003e\n\u003cli\u003e2mm and 3mm hex wrenches\u003c\/li\u003e\n\u003cli\u003eFour flexible couplings in different sizes\u003c\/li\u003e\n\u003cli\u003eFour M4x8 and two M5x10 hex screws, and five spacers\u003c\/li\u003e\n\u003cli\u003eQuick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/02a6168749e0487652da99228f85ab62_jpg.webp?v=1750258694\" alt=\"ZWO EAF box contents: focuser, bracket, couplings, screws, wrenches and cable\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe temperature sensor, hand control and telescope-specific brackets are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO EAF Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill it fit my telescope?\u003c\/h3\u003e\n\u003cp\u003eIt fits most refractors and Newtonians with a Crayford or rack-and-pinion focuser using the included bracket and couplings. Celestron SCTs and Takahashi refractors need the matching bracket. If you're not sure, send us your telescope model and we'll tell you what you need.\u003c\/p\u003e\n\u003ch3\u003eHow long does the battery last?\u003c\/h3\u003e\n\u003cp\u003eIn ZWO's lab test at room temperature, it ran 7 nights of 8 hours with 2 focus runs per hour on one charge. Expect less in cold weather, and you can always run it from USB-C instead.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with the ASIAIR?\u003c\/h3\u003e\n\u003cp\u003eYes, over Bluetooth or USB. Autofocus is one tap in the ASIAIR app. It also connects to ZWO's smart cameras over Bluetooth.\u003c\/p\u003e\n\u003ch3\u003eEAF Pro or EAFN?\u003c\/h3\u003e\n\u003cp\u003eChoose the Pro if you want fewer cables, use the focuser for visual observing, or move your rig often. Choose the \u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003eEAFN\u003c\/a\u003e if everything already runs through a USB hub.\u003c\/p\u003e\n\u003ch3\u003eCan I reuse a bracket from an older EAF?\u003c\/h3\u003e\n\u003cp\u003eThe new EAF uses a 4mm shaft coupler instead of the older 5mm one, because ZWO changed the internal motor. The brackets we stock include the 4mm coupler. If you have an older bracket, ask us before reusing it.\u003c\/p\u003e\n\u003ch3\u003eCan I use it for visual observing?\u003c\/h3\u003e\n\u003cp\u003eYes. The IN and OUT buttons on the body let you focus without touching the knob, which keeps the view steady at high power.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMotor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eStepper motor, 7.5° step angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReduction ratio\u003c\/td\u003e\n\u003ctd\u003e1:128\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrecision\u003c\/td\u003e\n\u003ctd\u003eMicron-level\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum focuser load\u003c\/td\u003e\n\u003ctd\u003e5kg (11.02lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eConnections and power\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eUSB-C and Bluetooth 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eBuilt-in lithium battery, or 5V 500mA over USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery life\u003c\/td\u003e\n\u003ctd\u003eAbout 7 nights (ZWO lab test: 8 hours per night, 2 focus runs per hour, room temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControls\u003c\/td\u003e\n\u003ctd\u003eIN and OUT buttons, power switch, status light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccessory ports\u003c\/td\u003e\n\u003ctd\u003eTemperature sensor and hand controller (TEMP\/HBX)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eASIAIR, ASIStudio, ASCOM and INDI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e41 x 52 x 73.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e258g (9.1oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShaft coupler\u003c\/td\u003e\n\u003ctd\u003e4mm (new generation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-EAFPRO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":46926665056515,"sku":"ZWO-EAFPRO","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/4_405846ac-fc71-4526-81b3-b92a8bcdaa74.jpg?v=1750260205"},{"product_id":"asi2600mc-pro-2025","title":"ZWO ASI2600MC Pro Cooled Color Camera (2025 Model)","description":"\u003ch2\u003eThe APS-C color camera behind a huge share of today's best deep-sky images\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI2600MC Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA proven sensor:\u003c\/strong\u003e the ASI2600 family turns up in more Astronomy Photographer of the Year shortlists than almost any other current astronomy camera, by Skies \u0026amp; Scopes' count. It's the camera we see in the most customer rigs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean data without fuss:\u003c\/strong\u003e there's no amp glow, and dark current is so low that a 5-minute exposure at 0°C adds less noise than the camera's own read noise. Calibration is simple and stacks come out smooth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig field, one cable for color:\u003c\/strong\u003e the 23.5 × 15.7mm APS-C sensor frames about 5.4° × 3.6° on a 250mm RedCat, and the color sensor means no filter wheel. Add a dual-band filter for nebulae from the city.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e owners of the earlier ASI2600MC Pro generally don't need to upgrade; the 2025 model mainly adds a tilt plate and a lighter body. You'll also need 12V power and a computer or ASIAIR to run it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI2600MC Pro (2025 model)\u003c\/strong\u003e is a cooled one-shot-color astronomy camera built on Sony's 26MP APS-C IMX571 sensor. It's the camera we recommend most often to people moving from a DSLR or a smart telescope to a dedicated imaging setup, and it's capable enough that many experienced imagers never replace it. Two-stage cooling holds the sensor 30–35°C below ambient, a heated window keeps dew off, and a 16-bit ADC gives 14 stops of dynamic range for smooth nebula gradients and bright star cores in the same frame.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX571 APS-C color sensor, 26MP (6248 × 4176) · 3.76µm pixels · 16-bit ADC, 14 stops dynamic range · 73,000e⁻ full well · two-stage cooling to 30–35°C below ambient · zero amp glow · USB 3.0 with 512MB buffer · tilt plate · 0.7kg (1.5lb)\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-asi2600mc-pro-2025-cooled-color-astronomy-camera.jpg?v=1791004705\" alt=\"ZWO ASI2600MC Pro 2025 cooled color astronomy camera\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide nebula fields:\u003c\/strong\u003e the North America and Pelican, Heart and Soul, Rosette, Veil and California Nebulae with a 250–400mm refractor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies:\u003c\/strong\u003e the Andromeda, Triangulum, Whirlpool and Pinwheel Galaxies, M81 and M82, and the Leo Triplet with a 500–1000mm telescope. At 600mm the image scale is about 1.3″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebulae from light-polluted skies:\u003c\/strong\u003e with a dual-band filter such as the \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e, emission nebulae come through even from a Denver backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStar clusters and comets:\u003c\/strong\u003e the color sensor captures natural star colors in one shot.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eThe camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and runs its cooler from 12V power. Set your target temperature (−10°C is a common choice), take a set of darks once for your library, and image. Two USB 2.0 ports on the camera body let you plug in a guide camera or focuser right at the scope.\u003c\/p\u003e\n\u003cp\u003eZWO designs the camera for a 55mm back focus with the included spacers, the standard distance for most flatteners and reducers. The new tilt plate lets you square the sensor if stars in one corner aren't round.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ASI2600MMMCP-18.webp?v=1759948303\" alt=\"ZWO ASI2600MC Pro spacer combinations for 55mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range light pollution:\u003c\/strong\u003e pair it with a dual-band filter for nebulae from the city, and save galaxies for darker skies like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDry air, big temperature swings:\u003c\/strong\u003e the cooler holds a set temperature as the night cools off, so your darks stay matched. In summer, set the target a few degrees warmer so the cooler has headroom.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a 12V power tank in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, mount, guiding and focuser from your phone. Or choose the \u003ca href=\"\/products\/asi2600mc-air\"\u003eASI2600MC Air\u003c\/a\u003e, which has an ASIAIR and guide camera built in.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asi220mm-mini-mono\"\u003e\u003cstrong\u003eASI220MM Mini\u003c\/strong\u003e\u003c\/a\u003e: a sensitive guide camera for a guide scope or off-axis guider.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: keeps stars sharp as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA dual-band filter:\u003c\/strong\u003e the \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-l-ultimate-filter\"\u003eL-Ultimate\u003c\/a\u003e for emission nebulae under light pollution, in a \u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m54\"\u003eZWO M54 2\" filter drawer\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e carries this camera and a refractor up to about 130mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI2600MC Pro vs. ASI2600MC Air vs. ASI2600MM Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI2600MC Pro (2025)\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-air\"\u003eASI2600MC Air\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eASI2600MM Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX571 color\u003c\/td\u003e\n\u003ctd\u003eIMX571 color\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in ASIAIR and guide camera\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eFilter wheel and LRGB\/narrowband filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eYour first dedicated astro camera, with any control software\u003c\/td\u003e\n\u003ctd\u003eThe simplest setup, with one cable to the scope\u003c\/td\u003e\n\u003ctd\u003eNarrowband and the most detail, at the cost of more gear and time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ASI2600MMMCP-22.webp?v=1759948409\" alt=\"ZWO ASI2600MC Pro box contents\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cp\u003eThe camera comes with its USB cables and the adapters and spacers for 55mm back focus, as shown above. The 12V power supply, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI2600MC Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI2600MC Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eYes. It's the camera we suggest most for a first dedicated astro camera. Color means no filter wheel, and with an ASIAIR the whole workflow runs from your phone.\u003c\/p\u003e\n\u003ch3\u003eColor (MC) or mono (MM)?\u003c\/h3\u003e\n\u003cp\u003eChoose the MC Pro if you want color images in one shot and a simpler setup. Choose the \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eMM Pro\u003c\/a\u003e if you want to shoot narrowband from the city or chase the most detail, and you're ready to add a filter wheel and filters.\u003c\/p\u003e\n\u003ch3\u003eMC Pro or MC Air?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi2600mc-air\"\u003eMC Air\u003c\/a\u003e has the same sensor plus a built-in ASIAIR and guide camera, so it replaces three devices and most of the cables. The MC Pro costs less, works with any computer software, and lets you upgrade the controller or guider separately.\u003c\/p\u003e\n\u003ch3\u003eWhat telescope works with it?\u003c\/h3\u003e\n\u003cp\u003eAny telescope with a flat field that covers APS-C (about a 44mm image circle) and a flattener or reducer set up for 55mm back focus. Refractors like the RedCat, Cat and ZWO FF series are popular matches.\u003c\/p\u003e\n\u003ch3\u003eShould I upgrade from my older ASI2600MC Pro?\u003c\/h3\u003e\n\u003cp\u003eUsually not. The sensor is the same. The 2025 model adds a tilt plate and a lighter body, which are nice to have but don't change image quality much.\u003c\/p\u003e\n\u003ch3\u003eCan I image planets with it?\u003c\/h3\u003e\n\u003cp\u003eYou can, but a small, fast planetary camera like the \u003ca href=\"\/products\/zwo-asi715mc-color-planetary-camera\"\u003eASI715MC\u003c\/a\u003e does better on planets. The ASI2600MC Pro is built for long deep-sky exposures.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX571, back-illuminated, color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eAPS-C, 23.5 × 15.7mm (28.3mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e26MP, 6248 × 4176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e73,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003eUp to 14 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (35°C measured at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark current\u003c\/td\u003e\n\u003ctd\u003e0.0022e⁻\/s\/pixel at 0°C; 0.00012e⁻\/s\/pixel at −20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended gain\u003c\/td\u003e\n\u003ctd\u003e0 or 100 (high-conversion-gain mode turns on at 100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-dew\u003c\/td\u003e\n\u003ctd\u003eHeated protective window\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 512MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC for cooling (supply not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003eDesigned for 55mm with included spacers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt adjustment\u003c\/td\u003e\n\u003ctd\u003eBuilt-in tilt plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.7kg (1.54lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI2600MC-P25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47309956251907,"sku":"ZWO-ASI2600MC-P25","price":1349.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/zwo-asi2600mc-pro-2025-cooled-color-astronomy-camera.jpg?v=1791004705"},{"product_id":"asi2600mm-pro-mono-2025","title":"ZWO ASI2600MM Pro APS-C Cooled Mono Camera (2025 Model)","description":"\u003ch2\u003eThe APS-C mono camera for deep narrowband and LRGB images on almost any refractor\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI2600MM Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA big, sensitive sensor that most scopes can cover:\u003c\/strong\u003e the 23.5 × 15.7mm APS-C IMX571 has 91% peak QE and frames about 5.4° × 3.6° on a 250mm RedCat, yet it only needs a 28mm image circle and 36mm filters, not the full-frame optics and 2-inch filters of the ASI6200MM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean data, night after night:\u003c\/strong\u003e zero amp glow, a true 16-bit ADC with up to 14 stops of dynamic range, and dark current so low at 0°C that a 5-minute sub adds less noise than the camera's own read noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasier to set up than before:\u003c\/strong\u003e the 2025 model adds a built-in tilt plate, so you can square the sensor to your optics if stars in one corner aren't round, and a heated window keeps dew and frost off.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e mono means a filter wheel, filters and more processing time. Owners of the earlier ASI2600MM Pro generally don't need to upgrade, since the sensor is the same. You'll also need 12V power and a computer or ASIAIR to run it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI2600MM Pro (2025 model)\u003c\/strong\u003e is a cooled monochrome astronomy camera built on Sony's 26MP back-illuminated APS-C IMX571 sensor. It's a natural next step for imagers who are ready to move from color to narrowband and LRGB, and it suits refractors from about 250 to 1000mm. Two-stage cooling holds the sensor about 35°C below ambient, and at gain 100 a high-conversion-gain mode drops read noise to about 1.3e⁻ while keeping dynamic range high. The body weighs 0.7kg (1.54lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX571 APS-C mono sensor, 23.5 × 15.7mm · 26MP (6248 × 4176) · 3.76µm pixels · 91% peak QE · 16-bit ADC, up to 14 stops dynamic range · read noise 1.0–3.3e⁻ · 73,000e⁻ full well · 14.3 fps · cooling 30–35°C below ambient · zero amp glow · USB 3.0 with 512MB buffer · tilt plate · 0.7kg (1.54lb)\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5036ccfe836278ae289fb864077c6bdb-3_7437ab70-f8ea-47dc-a880-688694d90c29.png?v=1771028640\" alt=\"ZWO ASI2600MM Pro 2025 cooled monochrome astronomy camera with tilt plate\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge nebulae in narrowband:\u003c\/strong\u003e the North America and Pelican, Heart and Soul, Veil, California and Rosette Nebulae in hydrogen-alpha, OIII and SII. On a 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e the field is about 5.4° × 3.6° at 3.1″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNebula detail:\u003c\/strong\u003e the Eagle's Pillars, the Elephant's Trunk, the Crescent and the Cygnus Wall on a longer refractor. On the 612mm \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eZWO FF90\u003c\/a\u003e the field is about 2.2° × 1.5° at 1.3″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies in LRGB:\u003c\/strong\u003e the Andromeda and Triangulum Galaxies, M81 and M82 together, the Leo Triplet and the Whirlpool. On the 770mm \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e the field is about 1.75° × 1.2° at 1.0″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaint outer structure:\u003c\/strong\u003e the high QE and low noise suit long integrations on faint targets like the Squid Nebula (Ou4) in OIII or the integrated flux nebulae around M81.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eA mono camera records every pixel at full sensitivity and leaves color to filters. A filter wheel in front of the camera switches filters during the night, and software combines each filter's frames into a color image. The camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and runs its cooler from 12V (ZWO specifies 12V at 3–5A, 5.5 × 2.1mm plug, center positive). Two USB 2.0 ports on the camera body power and control the filter wheel and guide camera, which keeps cables short at the scope.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the front of the camera, and the included extenders bring that to the standard 55mm most flatteners and reducers expect. With a filter wheel, the wheel takes the place of the extenders: ZWO's chart below shows the stacks for a 36mm or 2-inch wheel with an off-axis guider. The tilt plate on the front adjusts with the included hex wrench.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/6a28b9abcbf082e1d7ad3c0c049dbcd0_369c48aa-14b5-4b0d-8587-2c7625def8bd.jpg?v=1771974776\" alt=\"ZWO APS-C cooled camera connection chart for 55mm back focus with filter drawer, 36mm or 2-inch filter wheel and OAG\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e narrowband filters cut through city light, so emission nebulae are fair game from Denver on any clear night. Save LRGB galaxies for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMoonlit nights:\u003c\/strong\u003e hydrogen-alpha is barely affected by the Moon, which turns nights most color imagers lose into productive ones.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold, dry nights:\u003c\/strong\u003e the cooler holds a set temperature as the night cools off, and the heated window (about 5W, switchable in software) keeps frost off the sensor window on winter nights.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA filter wheel (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-7-position-efw-7x36mm-2025\"\u003eZWO EFW 7x36mm (2025)\u003c\/a\u003e is the natural match for APS-C, holding a full LRGB and SHO set in a compact 20mm-thick wheel. If you might move up to full frame later, choose the \u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003eEFW 7x2\" (2025)\u003c\/a\u003e or the smaller \u003ca href=\"\/products\/zwo-5-position-efw-5x2-2025\"\u003eEFW 5x2\" (2025)\u003c\/a\u003e. Avoid 1.25-inch wheels and filters; they vignette this sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFilters (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/optolong-lrgb-sho-7nm-7-pieces\"\u003eOptolong LRGB + SHO 7nm set\u003c\/a\u003e comes in 36mm unmounted or 2\" to fill a 7-position wheel, or start with the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e in 2\" for narrowband. The \u003ca href=\"\/products\/zwo-lrgb-filters\"\u003eZWO LRGB set\u003c\/a\u003e in 2\" adds broadband color.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO Large OAG (12mm prism)\u003c\/strong\u003e\u003c\/a\u003e with an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e guide camera: guides through the main telescope, which suits longer focal lengths. A guide scope works well on shorter refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically after filter changes and as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, filter wheel, mount, guiding and focuser from your phone, including multi-filter sequences.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e carries this camera, a filter wheel and a refractor up to about 110mm with room to spare.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI2600MM Pro vs. ASI2600MC Pro vs. ASI2600MM Air vs. ASI6200MM Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI2600MM Pro (2025)\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mm-air-mono\"\u003eASI2600MM Air\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi6200mm-pro-monochrome\"\u003eASI6200MM Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX571 mono, APS-C\u003c\/td\u003e\n\u003ctd\u003eIMX455 mono, full frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003ctd\u003e62MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in ASIAIR and guide sensor\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003e36mm or 2\" filters and a filter wheel\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003e36mm or 2\" filters and a filter wheel\u003c\/td\u003e\n\u003ctd\u003e2\" filters and a filter wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage circle needed\u003c\/td\u003e\n\u003ctd\u003eAbout 28mm or more\u003c\/td\u003e\n\u003ctd\u003eAbout 28mm or more\u003c\/td\u003e\n\u003ctd\u003eAbout 28mm; ZWO recommends full frame for the best guiding\u003c\/td\u003e\n\u003ctd\u003eAbout 44mm or more\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eMono imaging on most refractors, with any control software\u003c\/td\u003e\n\u003ctd\u003eColor in one shot, with the simplest setup\u003c\/td\u003e\n\u003ctd\u003eMono with the fewest cables and boxes at the scope\u003c\/td\u003e\n\u003ctd\u003eThe widest field and most resolution, on a full-frame scope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/7d96b456f598367f46638c5de935bdc6-1024x795_27b0d0b1-f610-45b5-8048-dd312cb45d29.jpg?v=1771974776\" alt=\"ASI2600MM Pro box contents with camera bag, cables, extenders, adapter and hex wrench\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI2600MM Pro camera body, front cover and camera bag\u003c\/li\u003e\n\u003cli\u003eM42-M48 extender (16.5mm), M42 extender (21mm) and M42-M48 adapter\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eHex wrench and quick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filter wheel, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI2600MM Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI2600MM Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's best as a second camera, after you've learned focusing, guiding and stacking with a color camera. If this is your first dedicated astro camera, we usually suggest the \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e, which uses the same sensor in color.\u003c\/p\u003e\n\u003ch3\u003eMono (MM) or color (MC)?\u003c\/h3\u003e\n\u003cp\u003eChoose the MC Pro for color images in one shot and a simpler setup. Choose the MM Pro to shoot narrowband from the city or chase the most detail and signal, if you're ready to add a filter wheel and filters.\u003c\/p\u003e\n\u003ch3\u003eASI2600MM Pro or ASI2600MM Air?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi2600mm-air-mono\"\u003eMM Air\u003c\/a\u003e has the same sensor plus a built-in ASIAIR, a guide sensor and Wi-Fi, so it replaces three devices and most of the cables. The MM Pro costs less, works with any computer software, and lets you choose and upgrade the controller and guider separately.\u003c\/p\u003e\n\u003ch3\u003eASI2600MM Pro or ASI6200MM Pro?\u003c\/h3\u003e\n\u003cp\u003eBoth use 3.76µm pixels, so detail per pixel is the same. The \u003ca href=\"\/products\/asi6200mm-pro-monochrome\"\u003eASI6200MM Pro\u003c\/a\u003e covers 2.3 times the sky area but needs a full-frame image circle and 2-inch filters, and costs about twice as much. The ASI2600MM Pro works with more telescopes and smaller filters.\u003c\/p\u003e\n\u003ch3\u003eWhich filters and filter wheel do I need?\u003c\/h3\u003e\n\u003cp\u003e36mm unmounted filters in the \u003ca href=\"\/products\/zwo-7-position-efw-7x36mm-2025\"\u003eEFW 7x36mm\u003c\/a\u003e, or 2-inch mounted filters in a 2-inch wheel. A common set is luminance, red, green and blue plus hydrogen-alpha, OIII and SII, which fills a 7-position wheel exactly. 1.25-inch filters are too small for this sensor.\u003c\/p\u003e\n\u003ch3\u003eShould I upgrade from my older ASI2600MM Pro?\u003c\/h3\u003e\n\u003cp\u003eUsually not. The sensor is the same. The 2025 model adds the tilt plate, which is handy if your current setup shows tilt, and ZWO now rates its full well at 73,000e⁻.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX571, back-illuminated, monochrome\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eAPS-C, 23.5 × 15.7mm (28.3mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e26MP, 6248 × 4176\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e1.0–3.3e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e73,000e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003eUp to 14 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (35°C measured at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e14.3 fps at full resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark current\u003c\/td\u003e\n\u003ctd\u003e0.0022e⁻\/s\/pixel at 0°C; 0.00012e⁻\/s\/pixel at −20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended gain\u003c\/td\u003e\n\u003ctd\u003e0 or 100 (high-conversion-gain mode turns on at 100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-dew\u003c\/td\u003e\n\u003ctd\u003eHeated protective window (about 5W, switchable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 512MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC for cooling, 3–5A, 5.5 × 2.1mm center positive (supply not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront connection\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75 on the 5mm tilt plate; included extenders and adapter fit M42 and M48 telescope threads. ZWO also offers M48, M54 and M68 tilt plates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt adjustment\u003c\/td\u003e\n\u003ctd\u003eBuilt-in tilt plate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e90mm diameter × 97mm long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.7kg (1.54lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI2600MM-P25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47401913909507,"sku":"ZWO-ASI2600MM-P25","price":1799.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/ASI2600MM.webp?v=1791583380"},{"product_id":"asi4400mc-pro-color","title":"ZWO ASI4400MC Pro Full-Frame Cooled Color Camera","description":"\u003ch2\u003eA 44MP full-frame color camera that sits between the ASI2400MC and ASI6200MC\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI4400MC Pro:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull frame in one shot:\u003c\/strong\u003e the 36 × 24mm sensor frames about 4.2° × 2.8° on a 490mm refractor, so targets like the Veil or the Andromeda Galaxy fit with room around them, in color, with no filter wheel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA balanced pixel size:\u003c\/strong\u003e 4.4µm pixels and 44MP land between the ASI2400MC's 5.94µm and the ASI6200MC's 3.76µm, which matches typical 400 to 800mm refractors without huge files.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModern conveniences built in:\u003c\/strong\u003e a UV\/IR cut window, a switchable window heater against dew and frost, and push-pull screws to correct sensor tilt.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e ZWO's glow suppression greatly reduces, but doesn't fully remove, sensor glow, so take dark frames. Full frame needs a telescope with a flat 44mm image circle and 2-inch filters. You'll also need 12V power and a computer or ASIAIR.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI4400MC Pro\u003c\/strong\u003e is a cooled one-shot-color astronomy camera built on Sony's back-illuminated full-frame IMX366 sensor. ZWO added it in 2025 to fill the gap between the ASI2400MC Pro and the ASI6200MC Pro. It's for imagers with a full-frame-capable refractor who want wide, detailed color images without a filter wheel. Two-stage cooling lowers the sensor 30–35°C below ambient, a 14-bit ADC gives over 13 stops of dynamic range, and read noise drops to about 1.1e⁻ above gain 136. The body weighs 700g (1.54lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX366 full-frame color sensor, 36 × 24mm · 44MP (8192 × 5460) · 4.4µm pixels · 80% peak QE · 14-bit ADC, over 13 stops dynamic range · read noise as low as 1.1e⁻ · 74.6ke⁻ full well · 8.3 fps · cooling 30–35°C below ambient · UV\/IR cut window with heater · tilt adjustment · USB 3.0 with 512MB buffer · 700g (1.54lb)\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/01.jpg?v=1764000021\" alt=\"ZWO ASI4400MC Pro full-frame cooled color astronomy camera, front three-quarter view\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhole nebula complexes:\u003c\/strong\u003e the full Veil Nebula loop, the Heart and Soul, the North America and Pelican together, and the Orion region. On a 250mm \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51\u003c\/a\u003e (48mm image circle) the field is about 8.2° × 5.5° at 3.6″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig galaxies with context:\u003c\/strong\u003e the Andromeda Galaxy with M32 and M110, the Triangulum Galaxy, and M81 and M82 with NGC 3077. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 4.2° × 2.8° at 1.85″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDetail across a wide frame:\u003c\/strong\u003e the Rosette, the Eagle and the Cygnus Wall. On the 770mm \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e the field is about 2.7° × 1.8° at 1.18″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmission nebulae from the city:\u003c\/strong\u003e with a 2-inch dual-band filter, hydrogen-alpha and OIII targets from a light-polluted backyard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eA color filter over the sensor's pixels records red, green and blue in every frame, so stacking software turns your exposures straight into a color image. The camera connects to a computer or an \u003ca href=\"\/products\/asiair-plus-256gb\"\u003eASIAIR Plus\u003c\/a\u003e over USB 3.0 and runs its cooler from 12V (ZWO recommends 12V at 3–5A, 5.5 × 2.1mm plug, center positive, or an 11–14V lithium battery). Two USB 2.0 ports on the back power and control a guide camera or focuser.\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the M54 front thread. The included M54-M48 (21mm) and M48-M48 (16.5mm) extenders bring that to the 55mm most full-frame flatteners and reducers expect, and an M48-M42 adapter fits M42 telescopes, as ZWO's chart below shows. If stars in one corner aren't round, the three push-pull screw pairs on the front adjust sensor tilt with the included hex key.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/Full-framecooledcamera.jpg?v=1764000066\" alt=\"ZWO full-frame cooled camera connection chart: M54-M48 and M48-M48 extenders for 55mm back focus\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDark-site trips:\u003c\/strong\u003e a full-frame color camera on a short refractor is ideal for the Milky Way's big nebula fields from places like the Westcliffe area or Great Sand Dunes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront Range skies:\u003c\/strong\u003e add a 2-inch dual-band filter in an M54 filter drawer and emission nebulae become practical from Denver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold, dry nights:\u003c\/strong\u003e the window heater (about 5W, switchable in software) keeps frost off on winter nights, and you can turn it off on mild nights to save power.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eA full-frame telescope (required):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e, \u003ca href=\"\/products\/zwo-90mm-quad-apo-refractor\"\u003eFF90\u003c\/a\u003e, \u003ca href=\"\/products\/zwo-110mm-quad-apo-refractor\"\u003eFF110\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-131mm-quad-apo-refractor\"\u003eFF131\u003c\/a\u003e quadruplets cover a 44mm image circle with no extra flattener, and the \u003ca href=\"\/products\/redcat-51-wifd-f-4-9-iii\"\u003eRedCat 51 III\u003c\/a\u003e is the lightest full-frame option.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required for cooling):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m54\"\u003e\u003cstrong\u003eZWO M54 2\" filter drawer\u003c\/strong\u003e\u003c\/a\u003e with a 2-inch \u003ca href=\"\/products\/zwo-duo-band-filter\"\u003eZWO Duo-Band\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-l-extreme-filter\"\u003eOptolong L-eXtreme\u003c\/a\u003e filter, for emission nebulae under city lights. Use 2-inch filters; 1.25-inch filters will vignette this sensor.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO Large OAG (12mm prism)\u003c\/strong\u003e\u003c\/a\u003e with an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e guide camera for longer focal lengths, or a \u003ca href=\"\/products\/zwo-30f5-mini-guide-scope\"\u003eZWO 30F5 guide scope\u003c\/a\u003e on short refractors.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: keeps focus sharp across the whole frame as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs the camera, mount, guiding and focuser from your phone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e for refractors up to about 110mm, or the \u003ca href=\"\/products\/zwo-am7-tc40\"\u003eZWO AM7\u003c\/a\u003e for the FF131 and larger scopes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI4400MC Pro vs. ASI2400MC Pro vs. ASI6200MC Pro vs. ASI2600MC Pro\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI4400MC Pro\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2400mc-pro-color\"\u003eASI2400MC Pro\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi6200mc-pro-color-2025-model\"\u003eASI6200MC Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eIMX366, full frame\u003c\/td\u003e\n\u003ctd\u003eIMX410, full frame\u003c\/td\u003e\n\u003ctd\u003eIMX455, full frame\u003c\/td\u003e\n\u003ctd\u003eIMX571, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e44MP\u003c\/td\u003e\n\u003ctd\u003e24MP\u003c\/td\u003e\n\u003ctd\u003e62MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e4.4µm\u003c\/td\u003e\n\u003ctd\u003e5.94µm\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003ctd\u003e3.76µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003ctd\u003e16-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise (lowest)\u003c\/td\u003e\n\u003ctd\u003e1.1e⁻\u003c\/td\u003e\n\u003ctd\u003e1.1e⁻\u003c\/td\u003e\n\u003ctd\u003e0.86e⁻\u003c\/td\u003e\n\u003ctd\u003e1.0e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImage circle needed\u003c\/td\u003e\n\u003ctd\u003eAbout 44mm\u003c\/td\u003e\n\u003ctd\u003eAbout 44mm\u003c\/td\u003e\n\u003ctd\u003eAbout 44mm\u003c\/td\u003e\n\u003ctd\u003eAbout 28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eFull frame on 400–800mm refractors, with manageable files\u003c\/td\u003e\n\u003ctd\u003eShort, fast scopes and the deepest wells\u003c\/td\u003e\n\u003ctd\u003eThe most resolution, on longer full-frame scopes\u003c\/td\u003e\n\u003ctd\u003eColor on the widest range of scopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/PackingList.jpg?v=1764000066\" alt=\"ASI4400MC Pro packing list: camera, dust cover, extenders, adapter, hex key, USB cables, quick guide and bag\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI4400MC Pro camera body, 2-inch silicone dust cover and camera bag\u003c\/li\u003e\n\u003cli\u003eM48-M48 extender (16.5mm), M54-M48 extender (21mm) and M42 male to M48 female adapter\u003c\/li\u003e\n\u003cli\u003eUSB 3.0 cable (2m) and two USB 2.0 cables (0.5m)\u003c\/li\u003e\n\u003cli\u003eHex key and quick guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filters and guide camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI4400MC Pro FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI4400MC Pro good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's easy to run, since it's one-shot color, but full frame asks more of the telescope: a flat 44mm image circle, careful spacing and a solid mount. Most people come to it after an APS-C camera such as the \u003ca href=\"\/products\/asi2600mc-pro-2025\"\u003eASI2600MC Pro\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eASI4400MC Pro or ASI2400MC Pro?\u003c\/h3\u003e\n\u003cp\u003eSame field of view. The \u003ca href=\"\/products\/asi2400mc-pro-color\"\u003eASI2400MC Pro\u003c\/a\u003e has bigger 5.94µm pixels and a 100ke⁻ full well, a good match for short, fast scopes, and has no amp glow. The ASI4400MC Pro has nearly twice the pixels for finer detail on 400–800mm refractors, plus a UV\/IR cut window and tilt adjustment.\u003c\/p\u003e\n\u003ch3\u003eASI4400MC Pro or ASI6200MC Pro?\u003c\/h3\u003e\n\u003cp\u003eThe \u003ca href=\"\/products\/asi6200mc-pro-color-2025-model\"\u003eASI6200MC Pro\u003c\/a\u003e adds resolution (62MP, 3.76µm) and a 16-bit ADC, which pays off on longer focal lengths, at $1,000 more and with larger files. On scopes under about 600mm, the ASI4400MC Pro's larger pixels are usually the better match.\u003c\/p\u003e\n\u003ch3\u003eDoes it have amp glow?\u003c\/h3\u003e\n\u003cp\u003eZWO's hardware glow suppression keeps it low, but a small amount can remain. Dark frames taken at the same gain, exposure and temperature remove it.\u003c\/p\u003e\n\u003ch3\u003eWhich filters fit?\u003c\/h3\u003e\n\u003cp\u003e2-inch filters, either in the \u003ca href=\"\/products\/zwo-filter-drawer-for-2-mounted-filter-m54\"\u003eZWO M54 filter drawer\u003c\/a\u003e or a 2-inch filter wheel. The built-in UV\/IR cut window means you don't need a separate IR-cut filter.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eSensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX366, back-illuminated, color (Bayer)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eFull frame, 36 × 24mm (43.3mm diagonal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e44MP, 8192 × 5460\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e4.4µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003eAs low as 1.1e⁻ (high-conversion-gain mode from gain 136)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e74.6ke⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDynamic range\u003c\/td\u003e\n\u003ctd\u003eOver 13 stops\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePerformance\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (measured at 30°C ambient); not recommended below −20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark current\u003c\/td\u003e\n\u003ctd\u003eAbout 0.006e⁻\/s\/pixel at 0°C; 0.002e⁻\/s\/pixel at −20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e8.3 fps at full resolution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlow\u003c\/td\u003e\n\u003ctd\u003eHardware glow suppression; calibrate with dark frames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eUV\/IR cut, with polyimide heater (about 5W, switchable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData\u003c\/td\u003e\n\u003ctd\u003eUSB 3.0 with 512MB DDR3 buffer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHub\u003c\/td\u003e\n\u003ctd\u003e2 × USB 2.0 on the camera body\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3–5A, 5.5 × 2.1mm center positive, or 11–14V lithium battery (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with the included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront connection\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75; included extenders and adapter fit M48 and M42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTilt adjustment\u003c\/td\u003e\n\u003ctd\u003eThree push-pull screw pairs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e90mm diameter × 97.9mm long\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e700g (1.54lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e2 years (ZWO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI4400MC-P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47462962200835,"sku":"ZWO-ASI4400MC-P","price":2699.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/01.jpg?v=1764000021"},{"product_id":"asi585mm-air","title":"ZWO ASI585MM Air Mono Smart Camera with Built-in ASIAIR and Guider","description":"\u003ch2\u003eA mono smart camera with the ASIAIR and guider built in\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ASI585MM Air:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMono sensitivity without the cable mess:\u003c\/strong\u003e one body holds a cooled mono IMX585 imaging sensor, a separate guide sensor and a full ASIAIR, so a filter wheel, focuser and mount plug straight into the camera.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband from the city:\u003c\/strong\u003e a mono sensor with Ha, OIII and SII filters cuts through Front Range light pollution far better than a color camera, and the 91% peak QE and 0.7e⁻ read noise make the most of short narrowband subs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGuiding through your telescope:\u003c\/strong\u003e the guide sensor sits beside the main sensor like a built-in off-axis guider, so there's no guide scope to mount or flex to worry about.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e the sensor is small (11.2 × 6.3mm), so it suits galaxies and small nebulae more than wide fields. Your filters sit in front of the guide sensor too, so plan on 2\" filters, and expect fewer guide stars through narrowband filters. Everything lives in one unit, so if it needs service your whole rig is down.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO ASI585MM Air\u003c\/strong\u003e is a wireless smart deep-sky camera that combines three devices: a cooled monochrome imaging camera built on Sony's 8.3MP STARVIS 2 IMX585 sensor, an SC2210 guide sensor, and an ASIAIR controller with 256GB of storage. You run the camera, mount, guiding, focuser, filter wheel and plate solving from the ASIAIR app on a phone or tablet. It's for imagers who want to shoot LRGB and narrowband with the simplest possible setup. The body is 78mm across and 108mm tall, and weighs 620g (1.4lb).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e Sony IMX585 STARVIS 2 mono sensor, 1\/1.2\" (11.2 × 6.3mm) · 8.3MP (3840 × 2160) · 2.9µm pixels · read noise 0.7–6.4e⁻ · 91% peak QE · zero amp glow · two-stage cooling 30–35°C below ambient · built-in guide sensor (SC2210, 0.6e⁻) · built-in ASIAIR, 256GB · dual-band Wi-Fi and Bluetooth · 620g\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/3_540f81b9-c667-4c0a-aa5d-1a315a98a0fa.jpg?v=1764171490\" alt=\"ZWO ASI585MM Air wireless smart camera with antenna, USB and 12V ports\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband nebulae:\u003c\/strong\u003e the Pacman, Bubble, Crescent and Eagle Nebulae, the Pillars of Creation and the Horsehead in Ha, OIII and SII, even from a Denver backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalaxies in LRGB:\u003c\/strong\u003e the Whirlpool, Pinwheel, Sunflower and Black Eye Galaxies, M81 and M82, and the Leo Triplet. On the 490mm \u003ca href=\"\/products\/zwo-70mm-quad-apo-refractor\"\u003eZWO FF70\u003c\/a\u003e the field is about 1.3° × 0.7° at 1.2″ per pixel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlanetary nebulae:\u003c\/strong\u003e the Ring, Dumbbell, Owl and Cat's Eye Nebulae suit the small sensor and 2.9µm pixels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWider targets:\u003c\/strong\u003e on a 250mm RedCat 51 the field is about 2.6° × 1.4°, enough for the Rosette, the Heart Nebula's core or the Orion Nebula.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eMount the camera on your telescope, plug the mount, filter wheel and focuser into its four USB 2.0 ports, and connect 12V power to either DC port (they also pass power on to other gear). The ASIAIR app connects over 2.4 or 5GHz Wi-Fi and walks you through polar alignment, focusing, plate solving, guiding and an imaging plan. Live stacking and simple editing in the app let you see the result as it builds, and you can also run the camera from a computer with ASIStudio or ASCOM Alpaca software (ASCOM Platform 6.6 or later).\u003c\/p\u003e\n\u003cp\u003eThe sensor sits 17.5mm behind the camera face, and the included 21mm and 16.5mm extenders bring it to the standard 55mm. A filter wheel takes the place of some of those spacers. The guide sensor needs a 36mm image circle, so ZWO recommends a telescope that covers APS-C or larger; a full-frame image circle gives the most accurate guide stars.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/Imagecircle.jpg?v=1764171774\" alt=\"Front of the ASI585 Air showing main and guide sensors inside APS-C and full-frame image circles\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eUsing it in Colorado\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCity or dark site:\u003c\/strong\u003e shoot narrowband nebulae from home on moonlit nights, and save LRGB galaxies for darker sites like Jackson Lake State Park or the Westcliffe area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold nights:\u003c\/strong\u003e the camera is rated to −20°C, runs from one 12V battery, and its cooler holds a set temperature as the night cools. Keep your phone warm, since it's your control screen.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWi-Fi range:\u003c\/strong\u003e ZWO rates it at 20m on 2.4GHz in open areas, so it works best from a backyard or right next to the car.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-12v-5a-ac-to-dc-adapter-us-for-asiair\"\u003e\u003cstrong\u003e12V power (required):\u003c\/strong\u003e\u003c\/a\u003e the ZWO 12V 5A adapter at home, or a \u003ca href=\"\/products\/celestron-powertank-lithium-pro\"\u003ePowerTank Lithium Pro\u003c\/a\u003e in the field. It powers the camera and the gear plugged into it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA filter wheel (required for color):\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-5-position-efw-5x2-2025\"\u003eZWO EFW 5x2\"\u003c\/a\u003e holds LRGB plus one narrowband filter, and the \u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003eZWO EFW 7x2\"\u003c\/a\u003e holds LRGB plus Ha, OIII and SII. Both plug into the camera's USB ports.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband filters:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-sho-7nm-3-filter-set\"\u003eOptolong SHO 7nm set\u003c\/a\u003e, in the 2\" size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLRGB filters:\u003c\/strong\u003e the \u003ca href=\"\/products\/optolong-lrgb-filters-4-pieces\"\u003eOptolong LRGB set\u003c\/a\u003e in 2\" for galaxies and star clusters in natural color.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: refocuses automatically between filters and as the temperature drops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mount:\u003c\/strong\u003e the \u003ca href=\"\/products\/zwo-am5n\"\u003eZWO AM5N\u003c\/a\u003e or the lighter \u003ca href=\"\/products\/zwo-am3n-harmonic-drive-equatorial-mount-with-tc40-tripod-17-28-lbs-capacity\"\u003eZWO AM3N with TC40 tripod\u003c\/a\u003e, both controlled directly by the built-in ASIAIR.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eASI585MM Air vs. ASI585MC Air vs. ASI2600MC Air\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eASI585MM Air\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi585mc-air\"\u003eASI585MC Air\u003c\/a\u003e\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/asi2600mc-air\"\u003eASI2600MC Air\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain sensor\u003c\/td\u003e\n\u003ctd\u003eIMX585 mono, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX585 color, 1\/1.2\"\u003c\/td\u003e\n\u003ctd\u003eIMX571 color, APS-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.3MP\u003c\/td\u003e\n\u003ctd\u003e8.3MP\u003c\/td\u003e\n\u003ctd\u003e26MP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003ctd\u003e88%\u003c\/td\u003e\n\u003ctd\u003e80%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters needed\u003c\/td\u003e\n\u003ctd\u003eFilter wheel and LRGB\/narrowband filters\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003ctd\u003eNone (dual-band optional)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in ASIAIR and guide sensor\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrice\u003c\/td\u003e\n\u003ctd\u003e$1,299\u003c\/td\u003e\n\u003ctd\u003e$999\u003c\/td\u003e\n\u003ctd\u003e$1,999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eNarrowband and the most detail on small targets\u003c\/td\u003e\n\u003ctd\u003eThe simplest color setup at the lowest price\u003c\/td\u003e\n\u003ctd\u003eWide fields in color\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/zwo-asiair\"\u003eZWO ASIAIR products\u003c\/a\u003e and \u003ca href=\"\/collections\/zwo-cooled-dso-cameras\"\u003eZWO cooled deep-sky cameras\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/3a8def96d358bedbf43a46018a488697_jpg.webp?v=1764171490\" alt=\"ZWO Air camera box contents with camera bag, DC and USB cables, extenders and antenna\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eASI585MM Air camera and camera bag\u003c\/li\u003e\n\u003cli\u003eExternal Wi-Fi antenna\u003c\/li\u003e\n\u003cli\u003eDC cable (1m) and DC male-female extension cable (1.5m)\u003c\/li\u003e\n\u003cli\u003eTwo USB 2.0 cables\u003c\/li\u003e\n\u003cli\u003eT2 extender (21mm), T2-M48 extender (16.5mm) and M42-M48 tilter\u003c\/li\u003e\n\u003cli\u003e1m hook-and-loop strap and 2mm (M2.5) hex wrench\u003c\/li\u003e\n\u003cli\u003eQuick guide and packing list\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 12V power supply, filter wheel and filters are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO ASI585MM Air FAQ\u003c\/h2\u003e\n\u003ch3\u003eIs the ASI585MM Air good for beginners?\u003c\/h3\u003e\n\u003cp\u003eIt's one of the simplest mono setups, since the controller and guider are built in and the app walks you through each step. Mono imaging still means filters, a filter wheel and processing separate channels, so if you're brand new, the color \u003ca href=\"\/products\/asi585mc-air\"\u003eASI585MC Air\u003c\/a\u003e is an easier start.\u003c\/p\u003e\n\u003ch3\u003eMono (MM) or color (MC) Air?\u003c\/h3\u003e\n\u003cp\u003eChoose the MM for narrowband from light-polluted skies and the most detail per pixel. Choose the \u003ca href=\"\/products\/asi585mc-air\"\u003eMC Air\u003c\/a\u003e for color in one shot with no filter wheel, at a lower price.\u003c\/p\u003e\n\u003ch3\u003eDo I still need a guide scope or computer?\u003c\/h3\u003e\n\u003cp\u003eNo. The guide sensor guides through your telescope, and the built-in ASIAIR runs everything from the free app on your phone or tablet.\u003c\/p\u003e\n\u003ch3\u003eWhat size filters do I need?\u003c\/h3\u003e\n\u003cp\u003e2\" filters. The filter sits in front of both the main and guide sensors, and ZWO specifies a 36mm image circle to cover both, which 1.25\" filters are too small for.\u003c\/p\u003e\n\u003ch3\u003eCan it guide through narrowband filters?\u003c\/h3\u003e\n\u003cp\u003eYes, but narrowband filters dim the guide stars too. A full-frame image circle, a fast telescope and slightly longer guide exposures all help.\u003c\/p\u003e\n\u003ch3\u003eCan I image planets with it?\u003c\/h3\u003e\n\u003cp\u003eIt isn't built for planets; full-resolution frame rates are low. For the Moon, Sun and planets, the \u003ca href=\"\/products\/asi585mm-mono\"\u003eASI585MM\u003c\/a\u003e or \u003ca href=\"\/products\/asi585mc-color\"\u003eASI585MC\u003c\/a\u003e planetary cameras use the same sensor at high speed.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eMain sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSony IMX585 STARVIS 2, back-illuminated, mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003e1\/1.2\", 11.2 × 6.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e8.3MP, 3840 × 2160\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePixel size\u003c\/td\u003e\n\u003ctd\u003e2.9µm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.7–6.4e⁻ (high-conversion-gain mode from gain 200)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull well\u003c\/td\u003e\n\u003ctd\u003e38,700e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e91%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmp glow\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExposure range\u003c\/td\u003e\n\u003ctd\u003e32µs to 2000s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax frame rate\u003c\/td\u003e\n\u003ctd\u003e10.8 fps at 1920 × 1080 (RAW16)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling\u003c\/td\u003e\n\u003ctd\u003eTwo-stage TEC, 30–35°C below ambient (tested at 30°C ambient)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDark current\u003c\/td\u003e\n\u003ctd\u003e0.00845e⁻\/s\/pixel at 0°C; 0.00201e⁻\/s\/pixel at −10°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnti-dew heater\u003c\/td\u003e\n\u003ctd\u003e2.4W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective window\u003c\/td\u003e\n\u003ctd\u003eAR-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eGuide sensor\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSensor\u003c\/td\u003e\n\u003ctd\u003eSC2210, 1\/1.8\" (7.68 × 4.32mm), mono\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e1920 × 1080, 4µm pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRead noise\u003c\/td\u003e\n\u003ctd\u003e0.6–3.2e⁻\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePeak QE\u003c\/td\u003e\n\u003ctd\u003e92% at 500nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame rate\u003c\/td\u003e\n\u003ctd\u003e8.5 fps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eBuilt-in ASIAIR and connections\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory and storage\u003c\/td\u003e\n\u003ctd\u003e2GB DDR4; 256GB eMMC; external USB drives up to 1TB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eDual-band 2.4\/5GHz Wi-Fi (802.11ac), 20m rated range; Bluetooth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePorts\u003c\/td\u003e\n\u003ctd\u003e4 × USB 2.0, 1 × USB-C, 2 × 12V DC in\/out\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12V DC, 3A to 10A input; 24.6W maximum for the camera\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eASIAIR app; ASIStudio; ASCOM Alpaca (Windows, Linux, macOS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003ePhysical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eM42 × 0.75\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBack focus\u003c\/td\u003e\n\u003ctd\u003e17.5mm; 55mm with included extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired image circle\u003c\/td\u003e\n\u003ctd\u003e36mm (APS-C or larger telescope recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e78mm diameter × 108mm; antenna 94mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e620g (1.4lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating temperature\u003c\/td\u003e\n\u003ctd\u003e−20°C to 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-ASI585MM-Air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47462964920579,"sku":"ZWO-ASI585MM-Air","price":1169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/3_540f81b9-c667-4c0a-aa5d-1a315a98a0fa.jpg?v=1764171490"},{"product_id":"zwo-7-position-efw-7x2-2025","title":"ZWO 7-Position 2\" Electronic Filter Wheel (EFW 7x2\", 2025)","description":"\u003ch2\u003eSeven 2-inch filters, changed automatically all night\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ZWO EFW 7x2\" (2025):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRoom for a full set:\u003c\/strong\u003e seven slots hold luminance, red, green and blue plus hydrogen-alpha, OIII and SII, so you never have to swap filters by hand mid-session.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne USB-C cable:\u003c\/strong\u003e it draws only 120mA at 5V, so it runs from the USB hub on a ZWO cooled camera with no separate power supply, and needs no driver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTighter light sealing:\u003c\/strong\u003e the 2025 redesign adds a slot-fit chassis, light-blocking pads and a fully enclosed motor to keep stray light out of long narrowband frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e 2-inch filters cost more than 1.25-inch or 36mm ones. You need them for full-frame sensors like the \u003ca href=\"\/products\/asi6200mm-pro-monochrome\"\u003eASI6200MM Pro\u003c\/a\u003e; for APS-C cameras they also leave more room for spacing and fast optics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO 7-Position Electronic Filter Wheel (EFW 7x2\", 2025 model)\u003c\/strong\u003e holds seven 2-inch mounted filters, or 50mm round unmounted filters, and turns them into place on command from your capture software. It's the wheel we pair with ZWO's APS-C and full-frame mono cameras for LRGB and narrowband imaging. The CNC-machined aluminum body is 20mm thick, weighs 720g (1.6lb) and connects over USB-C to an ASIAIR, a computer running ASCOM software, or ZWO's ASIStudio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 7 positions for 2\" mounted or 50mm unmounted filters · 20mm optical thickness · M54 × 0.75 threads on both sides · USB-C, 5V at 120mA · driver-free, works with ASIAIR, ASCOM and ASIStudio · anti light-leak sealing · 720g (1.6lb)\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/7X2.jpg?v=1765346593\" alt=\"ZWO EFW 7x2 inch electronic filter wheel, 2025 model, front view with USB-C port\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband nebulae from the city:\u003c\/strong\u003e hydrogen-alpha, OIII and SII filters for Hubble-palette images of the Eagle, Heart, Soul and Veil Nebulae from a light-polluted backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLRGB galaxies and clusters:\u003c\/strong\u003e luminance for detail plus red, green and blue for color on targets like the Andromeda and Whirlpool Galaxies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed nights:\u003c\/strong\u003e shoot narrowband while the Moon is up and switch to LRGB after it sets, all in one automated sequence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eScrew the wheel between your camera and the telescope's flattener or reducer using the included M54, M48 and M42 adapters, plug its USB-C cable into the camera's USB hub, and it shows up in your software. A high-precision stepper motor turns the 6061 aluminum carousel in either direction to the next filter, and the software refocuses and continues the sequence.\u003c\/p\u003e\n\u003cp\u003eThe wheel takes 20mm of the usual 55mm back focus. ZWO's example layout for an APS-C cooled camera is the camera (12.5mm), this wheel (20mm), a \u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003eZWO Large OAG\u003c\/a\u003e (17.5mm) and a 5mm tilt adapter, which adds up to 55mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/EFW-22_jpg.webp?v=1765346593\" alt=\"ZWO EFW 7x2 box contents: wheel, USB cables, screws, filter masks, M54 adapters and screwdriver\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/optolong-lrgb-sho-7nm-7-pieces\"\u003e\u003cstrong\u003eOptolong LRGB + SHO 7nm filter set, 2\" (7 filters)\u003c\/strong\u003e\u003c\/a\u003e: fills all seven slots with one purchase. Or start with the \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e or \u003ca href=\"\/products\/optolong-sho-7nm-3-filter-set\"\u003eOptolong SHO 7nm set\u003c\/a\u003e in 2\" for narrowband only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mono camera:\u003c\/strong\u003e the \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eZWO ASI2600MM Pro\u003c\/a\u003e (APS-C) or \u003ca href=\"\/products\/asi6200mm-pro-monochrome\"\u003eASI6200MM Pro\u003c\/a\u003e (full frame).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO Large OAG (12mm prism)\u003c\/strong\u003e\u003c\/a\u003e with an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e: guides through the main scope and completes the 55mm spacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs multi-filter sequences with autofocus on each filter change.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: corrects small focus shifts between filters automatically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEFW 7x2\" vs. EFW 5x2\"\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eEFW 7x2\" (2025)\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-5-position-efw-5x2-2025\"\u003eEFW 5x2\" (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositions\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters\u003c\/td\u003e\n\u003ctd\u003e2\" mounted or 50mm unmounted\u003c\/td\u003e\n\u003ctd\u003e2\" mounted or 50mm unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e720g\u003c\/td\u003e\n\u003ctd\u003e540g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eLRGB plus SHO in one wheel\u003c\/td\u003e\n\u003ctd\u003eLRGB only, or SHO plus one or two extras, with less weight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/filter-wheels-drawers\"\u003efilter wheels and drawers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEFW 7x2\" filter wheel\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 Type-A to USB-C cables, 0.5m and 2m\u003c\/li\u003e\n\u003cli\u003eM54M-M48F, M54M-M42F and M54M-M48F-2 adapters\u003c\/li\u003e\n\u003cli\u003eBag of 10 filter masks\u003c\/li\u003e\n\u003cli\u003eM2.5 × 6 screws (6) and M2 × 4 screws (26)\u003c\/li\u003e\n\u003cli\u003e3 × 75mm Phillips screwdriver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilters and the camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO EFW 7x2\" FAQ\u003c\/h2\u003e\n\u003ch3\u003eDo I need a filter wheel?\u003c\/h3\u003e\n\u003cp\u003eWith a mono camera, yes, to shoot color. A filter wheel changes filters automatically during the night. With a color camera you usually don't; a single dual-band filter in a filter drawer is enough.\u003c\/p\u003e\n\u003ch3\u003e2-inch or 1.25-inch filters?\u003c\/h3\u003e\n\u003cp\u003eFor APS-C and full-frame sensors, choose 2-inch (or 36mm for APS-C) to avoid dark corners. 1.25-inch filters suit smaller sensors like the ASI533MM.\u003c\/p\u003e\n\u003ch3\u003e7 or 5 positions?\u003c\/h3\u003e\n\u003cp\u003eSeven fits LRGB and SHO with no compromises. Five is enough for LRGB plus one narrowband filter, or for SHO with luminance and one spare.\u003c\/p\u003e\n\u003ch3\u003eDoes it need its own power supply?\u003c\/h3\u003e\n\u003cp\u003eNo. It runs on 5V USB power, typically from the hub on a ZWO cooled camera, so only one short cable goes to the wheel.\u003c\/p\u003e\n\u003ch3\u003eWill it work with my software?\u003c\/h3\u003e\n\u003cp\u003eYes. It works with ASIAIR, ASIStudio and any ASCOM program such as N.I.N.A., and it's plug-and-play with no driver to install.\u003c\/p\u003e\n\u003ch3\u003eWhat's new in the 2025 model?\u003c\/h3\u003e\n\u003cp\u003eA USB-C port replaces the old USB Type-B, the chassis and motor are sealed against light leaks, and the body has a refined laser-engraved finish.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eFilters\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositions\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported filters\u003c\/td\u003e\n\u003ctd\u003e2\" mounted (filter area ≤7mm thick) or Ø50mm unmounted (1.5–3.5mm thick)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarousel\u003c\/td\u003e\n\u003ctd\u003e6061 aluminum, M48 × 0.75 cells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eOptical and mechanical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical thickness\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 (adapters to M48 and M42 included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eCNC-machined aluminum, about 199mm wheel diameter, 209.5mm tall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e720g (1.6lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eElectronics\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eUSB-C (USB 2.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e5V, 120mA from USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eASIAIR, ASIStudio, ASCOM, ZWO SDK; no driver needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-EFW-7x2-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47515667923203,"sku":"ZWO-EFW-7x2-25","price":359.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/7X2.jpg?v=1765346593"},{"product_id":"zwo-5-position-efw-5x2-2025","title":"ZWO 5-Position 2\" Electronic Filter Wheel (EFW 5x2\", 2025)","description":"\u003ch2\u003eFive 2-inch filters, changed automatically, in a lighter wheel\u003c\/h2\u003e\n\u003cdiv style=\"border-left:4px solid #333;background:#f5f5f5;padding:12px 16px;margin:0 0 16px;\"\u003e\n\u003cp\u003e\u003cstrong\u003eWhy we like the ZWO EFW 5x2\" (2025):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnough slots for most plans:\u003c\/strong\u003e five positions hold luminance, red, green and blue plus one narrowband filter, or hydrogen-alpha, OIII and SII with room for two more.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne USB-C cable:\u003c\/strong\u003e it draws only 120mA at 5V, so it runs from the USB hub on a ZWO cooled camera with no separate power supply, and needs no driver.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTighter light sealing:\u003c\/strong\u003e the 2025 redesign adds a slot-fit chassis, light-blocking pads and a fully enclosed motor to keep stray light out of long narrowband frames.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e if you want LRGB and SHO in the wheel at the same time, the \u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003e7-position EFW 7x2\"\u003c\/a\u003e saves you from swapping filters later.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eZWO 5-Position Electronic Filter Wheel (EFW 5x2\", 2025 model)\u003c\/strong\u003e holds five 2-inch mounted filters, or 50mm round unmounted filters, and turns them into place on command from your capture software. It's made for APS-C and full-frame mono cameras like the ZWO ASI2600MM Pro and ASI6200MM Pro. The CNC-machined aluminum body is 20mm thick and 167mm across, weighs 540g (1.2lb), and connects over USB-C to an ASIAIR, a computer running ASCOM software, or ZWO's ASIStudio.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey specs:\u003c\/strong\u003e 5 positions for 2\" mounted or 50mm unmounted filters · 20mm optical thickness · M54 × 0.75 threads on both sides · USB-C, 5V at 120mA · driver-free, works with ASIAIR, ASCOM and ASIStudio · anti light-leak sealing · 540g (1.2lb)\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5X2.jpg?v=1765346451\" alt=\"ZWO EFW 5x2 inch electronic filter wheel, 2025 model, front view with USB-C port\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can image with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLRGB galaxies and clusters:\u003c\/strong\u003e luminance for detail plus red, green and blue for color on targets like the Andromeda, Whirlpool and Pinwheel Galaxies, with the fifth slot free for hydrogen-alpha to bring out star-forming regions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrowband nebulae from the city:\u003c\/strong\u003e hydrogen-alpha, OIII and SII filters for Hubble-palette images of the Eagle, Heart, Soul and Veil Nebulae from a light-polluted backyard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMixed nights:\u003c\/strong\u003e shoot narrowband while the Moon is up and switch to broadband after it sets, all in one automated sequence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow it works\u003c\/h2\u003e\n\u003cp\u003eScrew the wheel between your camera and the telescope's flattener or reducer using the included M54, M48 and M42 adapters, plug its USB-C cable into the camera's USB hub, and it shows up in your software. A high-precision stepper motor turns the 6061 aluminum carousel in either direction to the next filter, and the software refocuses and continues the sequence.\u003c\/p\u003e\n\u003cp\u003eThe wheel takes 20mm of the usual 55mm back focus. ZWO's example layout for an APS-C cooled camera is the camera (12.5mm), this wheel (20mm), a \u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003eZWO Large OAG\u003c\/a\u003e (17.5mm) and a 5mm tilt adapter, which adds up to 55mm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/EFW-22_jpg_dee65122-f797-4120-a5bc-a1c487e5a1f4.webp?v=1765346468\" alt=\"ZWO EFW 5x2 box contents: USB cables, screws, filter masks, M54 adapters and screwdriver\" loading=\"lazy\"\u003e\u003c\/p\u003e\n\n\u003ch2\u003eWhat to add for the best results\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/optolong-lrgb-filters-4-pieces\"\u003e\u003cstrong\u003eOptolong LRGB filters, 2\" (4 pieces)\u003c\/strong\u003e\u003c\/a\u003e: fills four slots for color imaging. For narrowband, add the \u003ca href=\"\/products\/optolong-sho-7nm-3-filter-set\"\u003eOptolong SHO 7nm set\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-7nm-narrowband-filter-1-25\"\u003eZWO 7nm SHO set\u003c\/a\u003e in 2\".\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA mono camera:\u003c\/strong\u003e the \u003ca href=\"\/products\/asi2600mm-pro-mono-2025\"\u003eZWO ASI2600MM Pro\u003c\/a\u003e (APS-C) or \u003ca href=\"\/products\/asi6200mm-pro-monochrome\"\u003eASI6200MM Pro\u003c\/a\u003e (full frame).\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-large-oag-off-axis-guider\"\u003e\u003cstrong\u003eZWO Large OAG (12mm prism)\u003c\/strong\u003e\u003c\/a\u003e with an \u003ca href=\"\/products\/asi220mm-mini-mono\"\u003eASI220MM Mini\u003c\/a\u003e: guides through the main scope and completes the 55mm spacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/asiair-plus-256gb\"\u003e\u003cstrong\u003eASIAIR Plus\u003c\/strong\u003e\u003c\/a\u003e: runs multi-filter sequences with autofocus on each filter change.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/zwo-eaf-electronic-auto-focuser-5v-usb\"\u003e\u003cstrong\u003eZWO EAFN electronic focuser\u003c\/strong\u003e\u003c\/a\u003e: corrects small focus shifts between filters automatically.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eEFW 5x2\" vs. EFW 7x2\"\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003c\/th\u003e\n\u003cth\u003eEFW 5x2\" (2025)\u003c\/th\u003e\n\u003cth\u003e\u003ca href=\"\/products\/zwo-7-position-efw-7x2-2025\"\u003eEFW 7x2\" (2025)\u003c\/a\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositions\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilters\u003c\/td\u003e\n\u003ctd\u003e2\" mounted or 50mm unmounted\u003c\/td\u003e\n\u003ctd\u003e2\" mounted or 50mm unmounted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThickness\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003ctd\u003e20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWheel diameter\u003c\/td\u003e\n\u003ctd\u003e167mm\u003c\/td\u003e\n\u003ctd\u003eAbout 199mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e540g\u003c\/td\u003e\n\u003ctd\u003e720g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBest for\u003c\/td\u003e\n\u003ctd\u003eLRGB plus one narrowband filter, or SHO plus extras, with less weight\u003c\/td\u003e\n\u003ctd\u003eLRGB plus SHO in one wheel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eSee all \u003ca href=\"\/collections\/filter-wheels-drawers\"\u003efilter wheels and drawers\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eWhat's in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEFW 5x2\" filter wheel\u003c\/li\u003e\n\u003cli\u003eUSB 2.0 Type-A to USB-C cables, 0.5m and 2m\u003c\/li\u003e\n\u003cli\u003eM54M-M48F, M54M-M42F and M54M-M48F-2 adapters\u003c\/li\u003e\n\u003cli\u003eBag of 10 filter masks\u003c\/li\u003e\n\u003cli\u003eM2.5 × 6 screws (6) and M2 × 4 screws (26)\u003c\/li\u003e\n\u003cli\u003e3 × 75mm Phillips screwdriver\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFilters and the camera are sold separately.\u003c\/p\u003e\n\n\u003ch2\u003eZWO EFW 5x2\" FAQ\u003c\/h2\u003e\n\u003ch3\u003eDo I need a filter wheel?\u003c\/h3\u003e\n\u003cp\u003eWith a mono camera, yes, to shoot color. A filter wheel changes filters automatically during the night. With a color camera you usually don't; a single dual-band filter in a filter drawer is enough.\u003c\/p\u003e\n\u003ch3\u003e2-inch or 1.25-inch filters?\u003c\/h3\u003e\n\u003cp\u003eFor APS-C and full-frame sensors, choose 2-inch (or 36mm for APS-C) to avoid dark corners. 1.25-inch filters suit smaller sensors like the ASI533MM; for those, see the \u003ca href=\"\/products\/zwo-5-position-efw-5x1-25-2025\"\u003eEFW 5x1.25\"\u003c\/a\u003e or \u003ca href=\"\/products\/zwo-8-position-efw-8x1-25-2025\"\u003eEFW 8x1.25\"\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003e5 or 7 positions?\u003c\/h3\u003e\n\u003cp\u003eFive is enough for LRGB plus one narrowband filter, or for SHO with luminance and one spare, and the wheel is lighter and smaller. Seven fits LRGB and SHO with no compromises.\u003c\/p\u003e\n\u003ch3\u003eDoes it need its own power supply?\u003c\/h3\u003e\n\u003cp\u003eNo. It runs on 5V USB power, typically from the hub on a ZWO cooled camera, so only one short cable goes to the wheel.\u003c\/p\u003e\n\u003ch3\u003eWill it work with my software?\u003c\/h3\u003e\n\u003cp\u003eYes. It works with ASIAIR, ASIStudio and any ASCOM program such as N.I.N.A., and it's plug-and-play with no driver to install.\u003c\/p\u003e\n\u003ch3\u003eWhat's new in the 2025 model?\u003c\/h3\u003e\n\u003cp\u003eA USB-C port replaces the old USB Type-B, the chassis and motor are sealed against light leaks, and the body has a refined laser-engraved finish.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eFilters\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositions\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported filters\u003c\/td\u003e\n\u003ctd\u003e2\" mounted (filter area ≤7mm thick) or Ø50mm unmounted (1.5–3.5mm thick)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCarousel\u003c\/td\u003e\n\u003ctd\u003e6061 aluminum, 150.8mm diameter, M48 × 0.75 cells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eOptical and mechanical\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical thickness\u003c\/td\u003e\n\u003ctd\u003e20mm (30mm at the electronics housing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThreads\u003c\/td\u003e\n\u003ctd\u003eM54 × 0.75 (adapters to M48 and M42 included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody\u003c\/td\u003e\n\u003ctd\u003eCNC-machined aluminum, 167mm wheel diameter, 177.5mm tall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e540g (1.2lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth colspan=\"2\"\u003eElectronics\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003eUSB-C (USB 2.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e5V, 120mA from USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware\u003c\/td\u003e\n\u003ctd\u003eASIAIR, ASIStudio, ASCOM, ZWO SDK; no driver needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel \/ SKU\u003c\/td\u003e\n\u003ctd\u003eZWO-EFW-5x2-25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"ZWO","offers":[{"title":"Default Title","offer_id":47515669496067,"sku":"ZWO-EFW-5x2-25","price":269.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/5X2.jpg?v=1765346451"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/collections\/ZWO-Holiday-Sale-2400x800.jpg?v=1794178745","url":"https:\/\/milehighastro.com\/collections\/zwo-holiday-sale.oembed?page=3","provider":"Mile High Astronomy","version":"1.0","type":"link"}