{"product_id":"televue-nagler-7mm-type-6-pre-owned","title":"Televue Nagler 7mm - Type 6 (Pre-owned)","description":"\u003cp\u003e\u003cspan style=\"color: rgb(250, 10, 10);\"\u003e\u003cstrong\u003eIn excellent condition.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ccenter\u003e\n\u003ch2\u003eAbout the TeleVue 7mm Nagler Type 6 Eyepiece - 1.25\"...\u003c\/h2\u003e\n\u003c\/center\u003e\n\u003cp\u003eThe 7-element,\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eTeleVue 7mm Nagler Type 6 Eyepiece\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003edesign is based on the original patented Nagler design. This new 7-element\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/accessDetails.cfm?productID=5224\"\u003eTeleVue Telescope Eyepiece\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003edesign update for the short focal length Nagler deserves its own designation. Using different exotic materials, coating processes and design ingenuity, Al has massaged more eye-relief, contrast, and true field of view into the shorter focal length Naglers, while maintaining the absolute sharpness of the originals. Eye-relief is 12mm on each\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/accessDetails.cfm?productID=5224\"\u003eTeleVue Telescope Eyepiece\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003emodel, and all are sized about the same as the original 7mm! Weight about 0.4 to 0.5 lbs.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCompare a penny to a half dollar to see the relative size between a 50 degree and 82 degree apparent field - almost 3 times the area difference! And while other\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/accessDetails.cfm?productID=5224\"\u003etelescope eyepieces\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eboast of impressive apparent field sizes, Tele Vue''s philosophy of \"showing no field unless it''s fine\" stresses full field image quality as the ingredient for impressive views. The\u003cspan\u003e \u003c\/span\u003e\u003cb\u003eTeleVue 7mm Nagler Type 6 Eyepiece\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003efeatures blackened lens edges, anti-reflection threads and rubber eyeguards deliver maximum contrast. Adapter skirts for 2\" focusers on larger 1.25\"\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/accessDetails.cfm?productID=5224\"\u003eTeleVue Telescope Eyepiece\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003emodels and rubber grip rings are additional Tele Vue \"firsts\". Even 2\"\/1.25\" barrel models have an additional feature allowing the 2\" extension tube (EBX-2120) to be screwed on, which permits use of 2\"\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.khanscope.com\/accessList.cfm?catID=3\u0026amp;subcatID=10\"\u003eTeleVue Eyepiece Filters\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eas well as 1.25\". 100% full field visual inspection on TeleVue''s own flat-field test instruments guarantees the performance of every\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/accessDetails.cfm?productID=5224\"\u003eTeleVue Telescope Eyepiece\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ci\u003e\"You may know there''s a long history of naming\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/accessDetails.cfm?productID=5224\"\u003etelescope eyepieces\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eafter their designers: Kellner, Erfle and Plossl, to name a few. In the late 70''s I designed an eyepiece sufficiently radical that I dared attach my name to it. Even today, I must admit a little discomfort when talking about \"Nagler\" eyepieces.\u003c\/i\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eWith\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/accessDetails.cfm?productID=5224\"\u003eTeleVue Telescope Eyepiece\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003e\"Naglers\", my aim is to approach the wide angle perspective of naked eye vision, while maintaining the highest degree of sharpness, contrast, and viewing comfort. The goal is to allow the\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/newEquipCart.cfm?catID=1\u0026amp;subcatID=1\"\u003etelescope\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eto virtually \"disappear,\" leaving the impact of \"spacewalk\" viewing.\" --Al Nagler\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eBe sure to check out our line of\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/khanscope.com\/newEquipList.cfm?catID=1\u0026amp;subCatID=1\u0026amp;manID=7\"\u003eTeleVue Telescopes\u003c\/a\u003e,\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.khanscope.com\/accessList.cfm?catID=3\u0026amp;subcatID=13\"\u003eTeleVue Telescope Mounts\u003c\/a\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"http:\/\/www.khanscope.com\/accessList.cfm?catID=3\u0026amp;subcatID=15\"\u003eTeleVue Telescope Accessories\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ccenter\u003e\n\u003ch2\u003eTeleVue 7mm Nagler Type 6 Eyepiece - 1.25\" Features...\u003c\/h2\u003e\n\u003c\/center\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe Type-6 models feature about 12mm of eye relief\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eYields more contrast, reduced pincushion, more true field, and longer eye-relief\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eBlackened lens edges, anti-reflection threads and rubber eyeguards deliver maximum contrast\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eAdapter skirts for 2\" focusers on larger 1.25\" models and rubber grip rings.\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eParfocal and great with the Bino Vue\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003eFlat-field test instruments guarantees the performance of every Tele Vue eyepiece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ccenter\u003e\n\u003ch2\u003eTeleVue 7mm Nagler Type 6 Eyepiece - 1.25\" Specifications...\u003c\/h2\u003e\n\u003c\/center\u003e\n\u003cp\u003eFocal Length (mm): 7\u003c\/p\u003e\n\u003cp\u003eBarrel Size (in.): 1.25\"\u003c\/p\u003e\n\u003cp\u003eApparent Field of View (deg.): 82\u003c\/p\u003e\n\u003cp\u003eEye Relief (mm): 12\u003c\/p\u003e\n\u003cp\u003eWeight (lb \/ oz): 0.50 \/ 8.0\u003c\/p\u003e\n\u003cp\u003eField Stop (mm): 9.7\u003c\/p\u003e\n\u003cp\u003eWarranty: Limited Lifetime\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(250, 10, 10);\"\u003e\u003cstrong\u003e\u003cspan\u003eTeleVue Product Number: EN6-07.0\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"TeleVue","offers":[{"title":"Default Title","offer_id":43235545809009,"sku":"USED041201","price":425.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/337-1-thumb.jpg?v=1778616256","url":"https:\/\/khanscope.com\/fr\/products\/televue-nagler-7mm-type-6-pre-owned","provider":"Khan Scope Centre","version":"1.0","type":"link"}