{"product_id":"starfield-adjustable-08x-universal-2-reducer-ffra-08-s","title":"Starfield Adjustable 0.8x Universal 2\" Reducer (FFRA-08-S)","description":"\u003ch1\u003eStarfield Adjustable 0.8x Universal 2\" Reducer\u003c\/h1\u003e\n\u003cp\u003e\u003cstrong\u003eSuitable for refractor telescopes from 70 to 102mm aperture with focusers of 2\".\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Starfield 0.8x adjustable reducer and flattener makes finding the correct back focus easy! Fighting with adapters is a thing of the past! By adjusting the reducer to achieve 55mm of back focus is simple, and if more adjustment is needed for fine tuning all that is needed is a small twist. If you are using accessories such as filter wheels and rotators you can not still get the required back focus. Illumination and correction up to \u003cstrong\u003e42 mm sensor diameter\u003c\/strong\u003e - can be used up to full frame size\u003c\/p\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eJust add up the thickness of all the accessories, plus the distance to your sensor and adjust based on the table below and then set the reducer to the number that is calculated. The reducer attaches directly to the Géar 80 \/ 90 mm telescope focuser by removing the Axil lock.\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003eUsing the supplied 1.5mm Allen key, loosen off the three screws a half turn and then unscrew the lock. Thread the reducer onto the focuser.\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\u003cstrong\u003e2'' Filters can be added inside the reducer.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eTotal Back focuser required based on Telescope model\u003c\/h2\u003e\n \u003c\/div\u003e\n\u003cdiv\u003e102 mm \/ focal ratio f\/7 - 55 mm\u003c\/div\u003e\n\u003cdiv\u003e90 mm \/ focal ration f\/6 - 56 mm\u003c\/div\u003e\n\u003cdiv\u003e80 mm \/ focal ratio f\/7 - 57.6 mm\u003c\/div\u003e\n\u003cdiv\u003e80 mm \/ focal ratio f\/6 - 59.6 mm\u003c\/div\u003e\n\u003cdiv\u003e70 mm \/ focal ratio f\/6 - 61.6 mm\u003c\/div\u003e\n\u003cdiv\u003e \u003c\/div\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"x-el x-el-span c1-2z c1-30 c1-b c1-am c1-1j c1-1d c1-an\"\u003eTelescopic connection\u003c\/span\u003e:M63x1 external thread\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"x-el x-el-span c1-2z c1-30 c1-b c1-am c1-1j c1-1d c1-an\"\u003eCamera connection\u003c\/span\u003e:M48x0.75 external thread\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"x-el x-el-span c1-2z c1-30 c1-b c1-am c1-1j c1-1d c1-an\"\u003eReduction factor\u003c\/span\u003e:0.8 x\u003cspan class=\"x-el x-el-span c1-2z c1-30 c1-b c1-am c1-1j c1-1d c1-an\"\u003eLenses\u003c\/span\u003e:3 lenses with ED element\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"x-el x-el-span c1-2z c1-30 c1-b c1-am c1-1j c1-1d c1-an\"\u003eCoating\u003c\/span\u003e:multi-coating and internal blackening\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"x-el x-el-span c1-2z c1-30 c1-b c1-am c1-1j c1-1d c1-an\"\u003eWorking distance\u003c\/span\u003e:variable (adjustable)\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"x-el x-el-span c1-2z c1-30 c1-b c1-am c1-1j c1-1d c1-an\"\u003eAdjustment range of the distance\u003c\/span\u003e:0-17 mm stepless\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"x-el x-el-span c1-2z c1-30 c1-b c1-am c1-1j c1-1d c1-an\"\u003eSuitable for\u003c\/span\u003e:Refractor telescopes from 70 to 102 mm aperture with focusers of 2''\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdjustable 2\" Reducer\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAllen key\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eManual \u0026amp; Warranty\u003c\/h3\u003e\n\u003cp\u003eStarfield Limited Warranty\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":52326129402157,"sku":"juy1787938050765","price":159.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0924\/0743\/1469\/files\/starfield-adjustable-08x-universal-2-reducer-ffra-08-s_1.webp?v=1787938055","url":"https:\/\/www.northandmuse.shop\/products\/starfield-adjustable-08x-universal-2-reducer-ffra-08-s","provider":"My Store","version":"1.0","type":"link"}