{"title":"Starfield Flatteners \u0026 Reducers","description":"\u003cp\u003eStarfield Flatteners \u0026amp; Reducers. Part of \u003ca href=\"\/collections\/flatteners-and-reducers\"\u003eFlatteners, Reducers \u0026amp; Correctors\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"starfield-0-8x-reducer-and-field-flattener","title":"Starfield - 0.8x Reducer and Field Flattener","description":"\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eThe Starfield 0.8x Reducer doubles as a field flattener.   The unique optical accessory is a must for anyone that is imaging with a DSLR or dedicated astronomy camera.  What makes this reducer different over all the others?   The M42 connection is removable and can be replaced with an optional M48 threaded adapter for Full Frame camera's. \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr style=\"clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eProviding pin point stars across the field of view, the Starfield 0.8x reducer\/flattener decrease the focal length of your imaging refractor.   Designed to be used with any refractor, f\/5.5 and longer, with a 2\" focuser, and requires 55mm of back focus.  Perfect for any DSLR imager.  No additional extension rings are required.  With 38mm's of clear aperture the chance of vignetting is removed, and is well suited for APS-C sized and smaller sensors.  A 42mm clear aperture when the optional 48mm T-Ring adapter is used.  Your imaging sessions will benefit with shorter exposure times and a larger field of view.  A standard 10mm T-Ring is required.  \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr style=\"clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eMulti-coated optics housed in a high polish, and hard anodize finished aluminum body to help reduce weight.  This all metal constructed accessory will look like jewelry for your telescope.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eIncludes standard M42 T thread for camera connection, and 48mm filter thread to add your favorite light pollution filter.    \u003c\/span\u003e\u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":44013398687855,"sku":"SF-FFR08","price":199.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/starfield1__44679.jpg?v=1766552965"},{"product_id":"48mm-adapter-ring-for-starfield-reducers-flattener","title":"48mm Adapter ring for Starfield Reducers \/ Flattener","description":"\u003cspan style=\"font-family: Arial; font-size: 14pt;\"\u003eReplace the 42mm T-Rings on the Starfield Reducers and Flatteners with a 48mm T-Ring Thread for fill frame cameras.\u003c\/span\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":44013465305199,"sku":"48-Adapter","price":47.0,"currency_code":"CAD","in_stock":true}]},{"product_id":"starfield-1-0x-field-flattener","title":"Starfield 1.0x Field Flattener","description":"\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eThe Starfield 1.0x Field Flattener enhances the imaging capabilities of refractors by elliminating fiel curvature in short, optically fast refractors providing a flat image for the camera sensor.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr style=\"clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eWhen using a DSLR and a refractor between f\/5.5 to f\/6.5 the field is flattened across the entire sensor.  When using small chips like popular 4\/3rd's or 1\" size sensors refractors up to f\/7.5 will not experience any change in focal length\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr style=\"clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial; font-size: 12pt;\"\u003eRequiring a standard 55mm of back focus, this flattener is perfect for any DSLR imager.  No additional extension rings are required.  With 38mm of clear aperture remove the chance of vignetting and is well suited for APS-C and smaller sensors. With the optional 48mm adapter a clear aperture of 42mm is provided. A 44mm Clear aperture when the optional 48mm T-Ring adapter is used.  Your imaging sessions will benefit with a flat field while maintiaining your telescopes focal length.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial; font-size: 12pt;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial; font-size: 12pt;\"\u003eA standard 10mm T-Ring is required.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial; font-size: 12pt;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eMulti-coated optics housed in a high polish, and hard anodize finished aluminum body to help reduce weight.  This all metal constructed accessory will look like jewelry for your telescope.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eIncludes standard M42 T thread for camera connection, and 48mm filter thread to add your favorite light pollution filter.    \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003e\u003cbr style=\"clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"font-family: Arial;\"\u003eWeights 7.5oz\u003c\/span\u003e\u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":44013465501807,"sku":"SF-FF-10","price":194.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/Lens-01_B__93689.jpg?v=1766553726"},{"product_id":"adjustable-2-5-reducer-for-ed102-and-gear-115","title":"Adjustable 2.5\" Reducer for ED102 and Gear 115","description":"\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThe Starfield 0.8x adjustable reducer and flattener makes finding the correct back focus easy!  Fighting with adapters is a thing of the past! \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eBy setting the adjustment to 14.87mm with the scale, achieving 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.   Just add up the thickness of all the accessories, plus the distance to your sensor and subtract from 69.87 and then set the reducer to the number that is calculated.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThe reducer attaches directly to the Starfield ED102 telescope focuser by removing the Axil lock.  Using the supplied 1.5mm Allen key, loosen off the three screws a half turn and then unscrew the lock.  \u003cbr style=\"box-sizing: inherit; clear: both;\"\u003eThread the reducer onto the focuser.   \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThis Reducer can also be used for other Telescopes lager than 102mm\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e102 mm \/ focal ratio f\/7 - 69.87 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e107 mm \/ focal ratio f\/6.5 - 69.0 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e130 mm \/ focal ratio f\/7 - 66.17 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e140 mm \/ focal ratio f\/6.5 - 65.8 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e150 mm \/ focal ratio f\/8 - 63.34 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e155 mm \/ focal ratio f\/8 - 62.57 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit; font-family: Helvetica, arial, sans-serif;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eFilters can be added inside the reducer.\u003c\/span\u003e\u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":44013603684463,"sku":"SF-FFRA08-2.5","price":354.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/IMG_4055__41914.jpg?v=1766557496"},{"product_id":"starfield-adjustable-2-0-8x-reducer","title":"Starfield Adjustable 2\" 0.8x Reducer","description":"\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThe Starfield 2\" 0.8x adjustable reducer and flattener makes finding the correct back focus easy!  Fighting with adapters is a thing of the past! \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThe reducer attaches directly to the Starfield telescopes focuser by removing the Axil lock. It can also be used when paired with a 2\" adapter.  Using the supplied 1.5mm Allen key, loosen off the three screws a half turn and then unscrew the lock.  \u003cbr style=\"box-sizing: inherit; clear: both;\"\u003eThread the reducer onto the focuser.   \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThis Reducer can also be used for other Telescopes that are 70-102mm in aperture.\u003c\/span\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e102 mm \/ focal ratio f\/7 - 55 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e90mm \/ focal ratio f\/6  - 58 mm \u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e80 mm \/ focal ratio f\/7 - 57.6 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e80 mm \/ focal ratio f\/6 - 59.6 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e70 mm \/ focal ratio f\/6 - 61.6 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit; font-weight: bold;\"\u003eHow to set your distance.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003eStarfield 80mm f\/6 with 480 focal length\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eDSLR with 55mm backfocus when using a T-Ring\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003eThe reducers distance for 80mm f\/6 is 59.6mm.   59.6mm - 55mm (DSLR and T-Ring) is 4.6mm.  Simply adjust the reducer to the 4.6mm mark an you are now ready to take pictures.   Fine tuning can be done if needed.  \u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; font-size: 16px; background-color: rgb(255, 255, 255);\"\u003eFilters can be added inside the reducer.\u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":44013676953711,"sku":"SF-FFRA-08-2","price":319.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/IMG_5572__95904.jpg?v=1766559356"},{"product_id":"starfield-coma-corrector","title":"Starfield Coma Corrector","description":"\u003cp class=\"MsoNoSpacing\"\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-language:en-ca=\"\"\u003eNewtonian inherit an optical distortion called as Coma, where stars at corner appears not round but bloated like a tadpole shape. The Starfield Optics coma corrector will provide a flat field image when Use on a Newtonian telescope that works from range of F\/3-F\/6. The large 2'' corrector will provide widest field of illumination for even full frame DSLR without vignetting\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNoSpacing\"\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-language:en-ca=\"\"\u003eThe Starfield Optics 2'' Coma Corrector will significantly enhance your visual experience as well, providing coma free view with sharp pin point stars. \u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" mso-fareast-language:en-ca=\"\"\u003e2\" nosepiece features recessed safety groove and is threaded to accept standard 2\" filters\u003c\/span\u003e\u003c\/p\u003e\n\u003cul type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt; background: white;\"\u003e\n\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" color:black=\"\" mso-color-alt:windowtext=\"\" mso-fareast-language:en-ca=\"\"\u003e2\" eyepiece barrel features brass compression ring and dual large thumbscrews\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" mso-fareast-language:en-ca=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt; background: white;\"\u003e\u003cspan style=\"font-family: Arial, sans-serif;\"\u003eMagnification\u003cspan style=\"font-size: 12pt;\"\u003e factor of 1.x\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt; background: white;\"\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" color:black=\"\" mso-color-alt:windowtext=\"\" mso-fareast-language:en-ca=\"\"\u003eFully Multicoated\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt; background: white;\"\u003e\n\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" color:black=\"\" mso-color-alt:windowtext=\"\" mso-fareast-language:en-ca=\"\"\u003e3-piece modular design (i) Optics in 2\" nosepiece with 48mm male filter thread (ii) 2' eyepiece barrel that attaches to optical nosepiece, and (iii) M48 - T2 adapter ring\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" mso-fareast-language:en-ca=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; line-height: normal; mso-list: l0 level1 lfo1; tab-stops: list 36.0pt; background: white;\"\u003e\n\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" color:black=\"\" mso-color-alt:windowtext=\"\" mso-fareast-language:en-ca=\"\"\u003eBack-focus spacing requirement is approx. 70mm +\/- 5mm from the shoulder of the 2\" nosepiece to the image plane\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" mso-fareast-language:en-ca=\"\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 6.75pt; line-height: normal; background: white;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: Arial, sans-serif; color: black; font-weight: bold;\"\u003eFor visual use:\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" color:black=\"\" mso-color-alt:windowtext=\"\" mso-fareast-language:en-ca=\"\"\u003e connect the 2\" eyepiece barrel to the main optical nosepiece \u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" mso-fareast-language:en-ca=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 6.75pt; line-height: normal; background: white;\"\u003e\u003cspan style=\"font-size: 12pt; font-family: Arial, sans-serif; color: black; font-weight: bold;\"\u003eFor photo use:\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" color:black=\"\" mso-color-alt:windowtext=\"\" mso-fareast-language:en-ca=\"\"\u003e unscrew the 2\" eyepiece barrel and attach the included M48-T2 ring to the main optical nosepiece Then attach your D\/SLR camera to the male T2 thread via a camera-specific T-ring (not included)\u003c\/span\u003e\u003cspan style=\"font-size: 12.0pt;\" arial=\"\" sans-serif=\"\" mso-fareast-font-family:=\"\" times=\"\" new=\"\" roman=\"\" mso-fareast-language:en-ca=\"\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\" style=\"margin-bottom: 6.75pt; line-height: normal; background: white;\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":44013736820847,"sku":"SF-CM-01","price":160.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/IMG_6600__49086.jpg?v=1766561272"},{"product_id":"starfield-adjustable-1-0x-flattener","title":"Starfield Adjustable 1.0x Flattener","description":"\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThe Starfield 1.0x adjustable flattener makes finding the correct back focus easy!  Fighting with adapters is a thing of the past! \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eBy setting the adjustment required for your telescope, achieving the correct amount of back focus is simple.  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.   Just add up the thickness of all the accessories, plus the distance to your sensor and subtract from 69.87 and then set the reducer to the number that is calculated.\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThe reducer attaches directly to the Starfield telescope focusers.  Using the supplied 1.5mm Allen key, loosen off the three screws a half turn and then unscrew the lock.  \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003eThread the reducer onto the focuser.   \u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003e\u003cbr style=\"box-sizing: inherit; clear: both;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eThis Flattener is designed for telescopes ranging from 80mm to 155mm\u003c\/span\u003e\u003c\/p\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e80 mm \/ focal ratio f\/6 - 81.2 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e90mm \/ focal ratio f\/6 - 82.5mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e102 mm \/ focal ratio f\/7 - 75.3 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e115 mm \/ focal ratio f\/7 - 73.0 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e130 mm \/ focal ratio f\/7 - 69.7 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Helvetica, arial, sans-serif;\"\u003e140 mm \/ focal ratio f\/6.5 - 68.0 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-family: Arial;\"\u003e155 mm \/ focal ratio f\/8 - 57.0 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e\u003cp style=\"box-sizing: inherit; margin: 0px; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit; font-family: Helvetica, arial, sans-serif;\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\u003cp style=\"font-size: 16px; box-sizing: inherit; margin: 0px; font-family: Helvetica, arial, sans-serif; background-color: rgb(255, 255, 255);\"\u003e\u003cspan style=\"box-sizing: inherit;\"\u003eFilters can be added inside the reducer.\u003c\/span\u003e\u003c\/p\u003e","brand":"Starfield","offers":[{"title":"Default Title","offer_id":44013792493679,"sku":"SF-FFA1","price":274.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/SF-FFA1__07764.jpg?v=1766562906"}],"url":"https:\/\/ontariotelescope.com\/collections\/fr-starfield.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}