{"product_id":"william-optics-0-8x-flattener-reducer-for-fluorostar-91p-flat6aiii-m92","title":"William Optics 0.8x Flattener\/Reducer for Fluorostar 91 (P-FLAT6AIII-M92)","description":"\u003ch2\u003eWilliam Optics 0.8x Flattener\/Reducer Flat6AIII Special Edition For Fluorostar 91\u003c\/h2\u003e\n\u003cdiv class=\"rte product-single__description\"\u003e\n\u003cdiv id=\"tabs\" class=\"description ui-tabs ui-widget ui-widget-content ui-corner-all\"\u003e\n\u003cdiv id=\"tabs-2\" class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" aria-expanded=\"true\" aria-hidden=\"false\"\u003eAll New Adjustable Flat6AIII with M92 thread adapter for use with the new WO FLT91 telescope (M48-threaded T-mount not included). This is the same item as the P-FLAT6AIII reducer\/flattener sold for other WO telescopes with the addition of an M92-M63 adapter to adapt the Flat6AIII to the M92 threads on the rear of the FLT91.\u003c\/div\u003e\n\u003cdiv class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" aria-expanded=\"true\" aria-hidden=\"false\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" aria-expanded=\"true\" aria-hidden=\"false\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" aria-expanded=\"true\" aria-hidden=\"false\"\u003eThis very elegant 2\" reducer\/field flattener has been designed to optimize the flat-field imaging performance of William Optics F\/6 to F7.5 ratio refactors, including the new FLT91 telescope. WO Flat 6AIII will provide good illumination and flat field across 97% of full frame sized sensors.\u003c\/div\u003e\n\u003cdiv class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" aria-expanded=\"true\" aria-hidden=\"false\"\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" aria-expanded=\"true\" aria-hidden=\"false\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"ui-tabs-panel ui-widget-content ui-corner-bottom\" role=\"tabpanel\" aria-labelledby=\"ui-id-1\" aria-expanded=\"true\" aria-hidden=\"false\"\u003e\n\u003cstrong\u003eFull frame size\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned with nearly Full frame chip-size DSLR cameras in mind.\u003c\/li\u003e\n\u003cli\u003eFMC triplet APO design.\u003c\/li\u003e\n\u003cli\u003eProduced entirely with the best Ohara optical glasses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eAmazing\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eReducing factor 0.8X.\u003c\/li\u003e\n\u003cli\u003eAdjustable design, for perfect back focus it can be used with other models of refractor\u003c\/li\u003e\n\u003cli\u003e48mm filter ready\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eSuperb Finish\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eWilliam Optics polished anodized finish.\u003c\/li\u003e\n\u003cli\u003eAll internal surfaces threaded and blackened to prevent reflections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eEasy to Use\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eWill accept any standard 48mm wide T-ring for your camera (not included). Not compatible with smaller 42mm T rings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eSuitable for\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eNew FLT91 scope (with included M92 adapter)\u003c\/li\u003e\n\u003cli\u003eGT71, GT81, Z81, Z103 WO scopes (without using the included M92 adapter)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eAdjustment Setting\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eFLT91: 5.4mm plus a standard back focus requirement of 55mm from base of M48 thread to sens\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eImage Circle:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eGT71 - 44.4 mm\u003c\/li\u003e\n\u003cli\u003eGT81 - 44.4 mm\u003c\/li\u003e\n\u003cli\u003eZ103 - 43.1 mm\u003c\/li\u003e\n\u003cli\u003eZ81 - 44.3 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"box-sizing: border-box; border-color: #ececec; border-spacing: 0px; margin-bottom: 1em; width: 1050px; color: #777777; font-family: 'Roboto Condensed', sans-serif; font-size: medium; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: #ffffff; text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\" class=\"specifications\"\u003e\n\u003ctbody style=\"box-sizing: border-box;\"\u003e\n\u003ctr style=\"box-sizing: border-box;\"\u003e\n\u003ctd style=\"box-sizing: border-box; border-bottom: 1px solid #ececec; font-size: 0.9em; line-height: 1.3; padding: 0.5em 0.5em 0.5em 0px; text-align: left; color: #666666; left: 0px;\" class=\"left\"\u003eBack Focus\u003c\/td\u003e\n\u003ctd style=\"box-sizing: border-box; border-bottom: 1px solid #ececec; font-size: 0.9em; line-height: 1.3; padding: 0.5em 0px 0.5em 0.5em; text-align: left; color: #666666; right: 0px;\" class=\"right\"\u003e55mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"box-sizing: border-box;\"\u003e\n\u003ctd style=\"box-sizing: border-box; border-bottom: 1px solid #ececec; font-size: 0.9em; line-height: 1.3; padding: 0.5em 0.5em 0.5em 0px; text-align: left; color: #666666; left: 0px;\" class=\"left\"\u003eCamera Side Connection\u003c\/td\u003e\n\u003ctd style=\"box-sizing: border-box; border-bottom: 1px solid #ececec; font-size: 0.9em; line-height: 1.3; padding: 0.5em 0px 0.5em 0.5em; text-align: left; color: #666666; right: 0px;\" class=\"right\"\u003eMale M48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eIn the Box\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWilliam Optics 0.8x Flattener\/Reducer for Fluorostar 91\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eWarranty \u0026amp; Manuals\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eWilliam Optics 2-Year Warranty\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"William Optics","offers":[{"title":"Default Title","offer_id":43125862596837,"sku":"WO-P-FLAT6AIII-M92","price":480.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/william-optics-0-8x-flattenerreducer-for-fluorostar-91-p-flat6aiii-m92-astronomy-plus-1.webp?v=1690487603","url":"https:\/\/istronomyplus.com\/products\/william-optics-0-8x-flattener-reducer-for-fluorostar-91p-flat6aiii-m92","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}