{"product_id":"william-optics-m63-female-to-2-push-in-adapter-for-p-flat6aiii-used","title":"William Optics M63 Female to 2\" Push-in Adapter for P-FLAT6AIII - Used","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eConnects P-FLAT6AIII Flattener to 2\" Focuser\u003c\/li\u003e\n\u003cli\u003eFemale M63 Threads for Flattener Connection\u003c\/li\u003e\n\u003cli\u003eMale 2\" Push-in Barrel for Focuser\u003c\/li\u003e\n\u003cli\u003eInternal M48 Female Threads for 2\" Filters\u003c\/li\u003e\n\u003cli\u003eProvides 46.6 mm of Optical Length\u003c\/li\u003e\n\u003cli\u003eCondition: Used\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003eWilliam Optics M63 Female to 2\" Push-in Adapter for P-FLAT6AIII - Used\u003c\/h2\u003e\n\u003cp\u003eThis used William Optics adapter provides the critical mechanical connection between your P-FLAT6AIII field flattener and any standard 2\" telescope focuser. It features a female M63 thread on the flattener side and contributes a precise optical length of 46.6 mm, ensuring you can achieve the correct back focus for a flat field.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSecure Your P-FLAT6AIII with 46.6mm of Spacing\u003c\/h3\u003e\n\u003cp\u003eEngineered for a perfect fit, this adapter allows you to integrate the powerful P-FLAT6AIII flattener into an imaging train that terminates in a 2\" focuser. The female M63 threads attach directly to the flattener, while the male 2\" nosepiece slides securely into your telescope's drawtube. The adapter's body provides a fixed 46.6 mm of optical path length, a key distance for correct spacing.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Filter Threads:\u003c\/strong\u003e The light-in side of the adapter features standard M48 female threads, allowing you to mount 2\" filters inside the optical path, directly in front of the flattener.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility Warning:\u003c\/strong\u003e This adapter is not compatible with William Optics \"Twenty Years Anniversary Edition\" telescopes. Please confirm your telescope model is not an Anniversary Edition before purchasing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed Condition:\u003c\/strong\u003e This is a pre-owned item. It is fully functional but may show minor cosmetic signs of use, such as small marks on the barrel from focuser set screws.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the purpose of the William Optics M63 to 2\" adapter for P-FLAT6AIII?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter allows you to connect the \u003cstrong\u003eWilliam Optics P-FLAT6AIII\u003c\/strong\u003e field flattener, which has an M63 male thread, to a standard \u003cstrong\u003e2\" telescope focuser\u003c\/strong\u003e. It also provides a specific \u003cstrong\u003e46.6 mm\u003c\/strong\u003e of optical length required for proper spacing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this adapter with my William Optics GT81 Twenty Years Anniversary Edition telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e This adapter is explicitly not compatible with any of the \"Twenty Years Anniversary Edition\" telescopes from William Optics. You will need a different adapter for those specific models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes the 46.6 mm optical length of this M63 adapter account for the full back focus?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, the 46.6 mm is the contribution of this adapter alone. The P-FLAT6AIII has a total back focus requirement (typically 55 mm) that must be achieved by adding this adapter plus any other necessary spacers and camera adapters to reach the sensor plane.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use 2\" filters with this William Optics M63 to 2\" adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. The adapter is equipped with standard \u003cstrong\u003eM48 female threads\u003c\/strong\u003e on the telescope side (inside the 2\" barrel), allowing you to securely mount any standard 2\" astronomy filter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow do I install this adapter between my William Optics Zenithstar 103 and the P-FLAT6AIII?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eFirst, thread the female M63 end of the adapter onto the male M63 threads of your P-FLAT6AIII flattener until it is snug. Then, slide the 2\" male barrel of the adapter assembly into your Zenithstar 103's 2\" focuser and lock it in place with the focuser's set screws.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"Used\" condition mean for this WO-YE-M63F-2IN-PI adapter?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003e\"Used\" means the adapter is fully functional but is pre-owned and will likely show cosmetic signs of previous use. This may include minor scratches or scuffs on the black anodizing or marks on the 2\" barrel from being inserted into a focuser. The threads will be clean and fully operational.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Code\u003c\/td\u003e\n\u003ctd\u003eWO-YE-M63F-2IN-PI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eUsed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eWilliam Optics P-FLAT6AIII Flattener\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncompatible With\u003c\/td\u003e\n\u003ctd\u003eWilliam Optics Twenty Years Anniversary Edition Telescopes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight-In Side Connection\u003c\/td\u003e\n\u003ctd\u003e2\" Push-in (male) with internal M48 (female) filter threads\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight-Out Side Connection\u003c\/td\u003e\n\u003ctd\u003eM63 (female)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Length\u003c\/td\u003e\n\u003ctd\u003e46.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003cli class=\"DAV-grid-item\"\u003e\n\u003cdiv\u003e\n\u003cp class=\"DAV-item-title\"\u003eWilliam Optics M63 Female to 2\" Push-in Adapter\u003c\/p\u003e\n\u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/william-optics-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eWilliam Optics 2-Year Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"William Optics","offers":[{"title":"Default Title","offer_id":52756615332125,"sku":"WO-YE-M63F-2IN-PI","price":28.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/WO-YE-M63F-2IN-PI.jpg?v=1786566709","url":"https:\/\/davidastro.com\/fr-us\/products\/william-optics-m63-female-to-2-push-in-adapter-for-p-flat6aiii-used","provider":"David Astro","version":"1.0","type":"link"}