{"product_id":"used-meade-series-4000-140-2x-3-element-barlow-lens-1-26","title":"Vintage Meade Series 4000 #140 2X 3-Element Barlow Lens (1.25\")","description":"\u003cp\u003eThis is a vintage Meade 2x 3-element apochromatic Barlow in excellent condition. There are a few markings on the optics that can be seen in the provided photos and the body is unmarked.  It includes both dust caps, but no box.  \u003c\/p\u003e\n\u003cp\u003e  \u003c\/p\u003e\n\u003cp\u003e  \u003cmeta charset=\"utf-8\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMeade Series 4000 #140 2x Apochromatic Barlow Lens (1.25\") 07277-1\u003c\/strong\u003e: The most advanced\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBarlow lens\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eyet developed for commercial\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.opticsplanet.com\/meade-telescopes.html\" title=\"telescopes\"\u003etelescopes\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMeade #140 2x Apochromatic 1.25\" Barlow Lens #07277-1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincludes a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3-element\u003c\/strong\u003e, air-spaced telenegative lens unmatched in image resolution, contrast, and color correction.\u003cimg src=\"https:\/\/opl.0ps.us\/assets-6ea98eff17b\/base\/opweb\/base\/desktop\/img\/pixels\/description-product-pixel.gif\" width=\"1\" height=\"1\" alt=\"image\"\u003e\u003c\/p\u003e\n\u003cp\u003eUsed with any\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/www.opticsplanet.com\/telescope-accessories.html\" title=\"Telescope Accessories\"\u003eTelescope Accessories\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e- refractor, reflector, or Schmidt- Cassegrain - equipped with a focuser accepting standard 1.25\" barrel-diameter eyepieces,\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMeade #140 Barlow doubles\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ethe telescope's effective focal length, thereby doubling the effective eyepiece magnification.\u003cimg src=\"https:\/\/op1.0ps.us\/external\/meade-series4000-barlow-lens.jpg\" border=\"0\" alt=\"Meade Series 4000 #140 2x Apochromatic Barlow Lens\"\u003e\u003cspan\u003e \u003c\/span\u003eWith a diagonal mirror or prism placed between the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBarlow\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand an eyepiece (e.g., in applications with refractors or Schmidt-Cassegrains), effective eyepiece magnification is approximately tripled. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e#140 optically complements Meade Series 4000 eyepieces\u003c\/strong\u003e, while enhancing the performance of other eyepieces as well.\u003c\/p\u003e\n\u003cp\u003eMechanical components are of machined aluminum and brass. Lens diameter is 28mm; clear aperture is 26mm. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003emulti-coated optics\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e#140 Barlow Meade 1.25 \" Lens\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprovide maximum light transmission and image contrast.\u003c\/p\u003e\n\u003cp\u003eThousands of these\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMeade Barlow systems\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare now in use by advanced amateurs worldwide. There is no finer\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBarlow\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eavailable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications for Meade Series 4000 #140 1.25\" 2x Apochromatic Barlow Lenses:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"100%\" cellspacing=\"1\" cellpadding=\"0\" border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\" bgcolor=\"#BBBBBB\" height=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#F6F6F6\"\u003e\n\u003ctd nowrap\u003e\n\u003cstrong\u003eLens diameter:\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd width=\"50%\"\u003e 28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\" bgcolor=\"#BBBBBB\" height=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd nowrap\u003e\n\u003cstrong\u003eClear aperture:\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd width=\"50%\"\u003e 26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\" bgcolor=\"#BBBBBB\" height=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr bgcolor=\"#F6F6F6\"\u003e\n\u003ctd nowrap\u003e\n\u003cstrong\u003eOptics coating:\u003c\/strong\u003e \u003c\/td\u003e\n\u003ctd width=\"50%\"\u003e multi-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"3\" bgcolor=\"#BBBBBB\" height=\"1\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures of Meade Series 4000 2x Apochromatic Barlow Lens #140 (item 07277-1):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCan be used with any telescope\u003c\/li\u003e\n\u003cli\u003e3-element, air-spaced telenegative lens unmatched in image resolution, contrast, and color correction\u003c\/li\u003e\n\u003cli\u003eMulti-coated optics\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Meade","offers":[{"title":"Default Title","offer_id":48275859013891,"sku":"U2605-DZ-MEADE140","price":50.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1979\/5379\/files\/original-577.jpg?v=1779995476","url":"https:\/\/milehighastro.com\/products\/used-meade-series-4000-140-2x-3-element-barlow-lens-1-26","provider":"Mile High Astronomy","version":"1.0","type":"link"}