{"product_id":"zwo-110mm-quad-apo-refractor-copy","title":"ZWO 110mm Quad APO Refractor","description":"\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image1_7155ff2b-e664-4cb2-8dee-7a3eb1de1021.jpg?v=1781041776\" alt=\"\"\u003e\u003cspan class=\"c0\"\u003eLightweight, compact, and engineered for both immersive visual observing and high-performance astrophotography.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image3_a03e940c-a830-412b-9d07-d25c9180cc11.jpg?v=1781041776\" alt=\"\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003e*Focus can be achieved within a back focus range of 42–73 mm, measured from the M54–M48 interface shoulder.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eMAIN FEATURES\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image2_6de36239-e719-483f-b5bd-e5ad00d2ac61.jpg?v=1781041776\"\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eFlexible Connectivity for Multiple Configurations\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch4\u003e\n\u003cspan\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image5.jpg?v=1781041776\" alt=\"\"\u003e\u003c\/span\u003eUniqueness \u003cbr\u003e\n\u003c\/h4\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003e1.)\u003c\/span\u003e\u003cem\u003e\u003cspan class=\"c0\"\u003e Four-Element Optical Design\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eThe FF110 APO features a four-element, fully air-spaced apochromatic optical design. All four elements work together to deliver a flat imaging field without the need for an additional field flattener.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan\u003eOne ED (extra-low dispersion) glass element is incorporated to effectively reduce chromatic aberration, resulting in improved color correction and image clarity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image4_44eb76b3-110d-4a81-8ac5-f15b3374911e.jpg?v=1781041776\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003e2.)  \u003cem\u003e44 mm Image Circle — Full-Frame Support\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eWith a 44 mm image circle, the FF110 APO fully supports full-frame sensors and a wide range of imaging setups.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eIt delivers sharp star fields with excellent edge-to-edge performance, ensuring consistent image quality across the entire frame.\u003c\/span\u003e\u003cspan class=\"c0\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image7.jpg?v=1781041776\" alt=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003e3.) \u003cmeta charset=\"UTF-8\"\u003e\u003c\/span\u003e\u003cem\u003e\u003cspan class=\"c0\"\u003eNative Flat-Field Design\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eThe FF110 APO features a native flat-field optical design, eliminating the need for an additional field flattener.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eNo complex back focus calculations or spacing adjustments are required—simply attach your imaging setup and start capturing once focus is achieved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2 c4\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image6_d651e5c6-8a0a-4475-ae8a-39901cc600e3.jpg?v=1781041776\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4 class=\"c3\"\u003e\u003cspan class=\"c6\"\u003eConvenient Design\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c9\"\u003e1.) \u003cem\u003eCoarse \u0026amp; fine focus adjustment\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eEquipped with a rigid 3-inch rack-and-pinion focuser, the FF110 APO offers precise control with a 1:10 coarse \u0026amp; fine focus adjustment mechanism.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eA built-in 360° rotator at the rear allows for smooth and accurate camera angle adjustments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image9.jpg?v=1781041776\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e2.) \u003cem\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eRetractable Dew Shield\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eThe FF110 APO features a retractable dew shield, reducing overall length for improved portability.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003ePrecision CNC machining and a high-quality painted finish, combined with an internal anti-reflection coating, help minimize stray light and enhance image contrast.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2 c4\"\u003e \u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003e3.) \u003cem\u003eQuick-Release Mounting Rings\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eThe mounting rings are detachable, allowing for quick and easy setup or teardown of the telescope.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image8.jpg?v=1781041776\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003e4.) \u003cem\u003ePhotography Extension Tube \u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eThe FF110 APO includes a photography extension tube with a 2-inch filter thread, along with rear adapters in M48×0.75 and M54×0.75 standards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003eThis allows for easy integration with a wide range of imaging accessories.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cspan class=\"c0\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image12.jpg?v=1781041777\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 class=\"c3\"\u003e\u003cspan class=\"c6\"\u003ePerformance\u003c\/span\u003e\u003c\/h4\u003e\n\u003cp class=\"c2\"\u003e\u003cem\u003e\u003cspan class=\"c0\"\u003eOptical Layout\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image10.jpg?v=1781041776\" alt=\"\"\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cem\u003eStar Field Map\u003c\/em\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cem\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image11.jpg?v=1781041777\" alt=\"\"\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003ch4 class=\"c2\"\u003eProduct Diagram \u003c\/h4\u003e\n\u003cp class=\"c2\"\u003e\u003cimg alt=\"\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image13.jpg?v=1781041776\"\u003e\u003c\/p\u003e\n\u003cp class=\"c2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image14.jpg?v=1781041777\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ch4 class=\"c2\"\u003eSpecifications\u003c\/h4\u003e\n\u003ch4 class=\"c2\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image15.jpg?v=1781041777\" alt=\"\"\u003e\u003c\/h4\u003e\n\u003ch4 class=\"c2\"\u003eWhat's in the Box?\u003c\/h4\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/image16.jpg?v=1781041776\" alt=\"\"\u003e\u003c\/p\u003e","brand":"ZWO","offers":[{"title":"Default Title","offer_id":48334277116163,"sku":"ZWO FF110-APO","price":1499.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/FF110APO1_1296x_9d80b340-39af-4fea-b12d-7a8767410b3a.webp?v=1781122139","url":"https:\/\/milehighastro.com\/products\/zwo-110mm-quad-apo-refractor-copy","provider":"Mile High Astronomy","version":"1.0","type":"link"}