{"product_id":"celestron-f-6-3-reducer-corrector-aux-port-splitter-dual-purpose","title":"Celestron f\/6.3 Reducer Corrector \u0026 Aux Port Splitter - Dual Purpose","description":"\u003cp\u003eIn this review the focus is on a practical combo for Celestron C-series users: the f\/6.3 Reducer\/Corrector and the Aux Port Splitter. The bottom line is straightforward: if you own a C5 through C14 Schmidt-Cassegrain telescope and do astrophotography or need a second AUX connection on a computerized mount, this pair adds noticeably wider fields of view and convenient control expansion without compromising image quality. The reviewer found the reducer speeds imaging and maintains sharpness, while the splitter removes a common port limitation on many mounts.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual focal ratio:\u003c\/strong\u003e The reducer\/corrector provides an f\/6.3 focal ratio for C5-C11 and f\/7 for the C14, letting users switch between longer and shorter effective focal lengths.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved imaging speed:\u003c\/strong\u003e By reducing the focal ratio the accessory can shorten exposure times by roughly a factor of three for deep-sky astrophotography.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide field of view:\u003c\/strong\u003e The corrector delivers noticeably wider fields, making large nebulae and star fields easier to capture on small sensors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision construction:\u003c\/strong\u003e Made in Japan, the reducer\/corrector is built to match the optical tolerances of Schmidt-Cassegrain telescopes and keep aberrations under control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuxiliary port expansion:\u003c\/strong\u003e The Aux Port Splitter adds an extra 6-pin AUX output to mounts that have a single built-in port, enabling simultaneous use of two aux devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple connectivity:\u003c\/strong\u003e The splitter uses a single 6-pin input and provides two 6-pin outputs in a compact adapter package for tidy cable routing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis combo is aimed at amateur astronomers and astrophotographers who own Celestron C-series Schmidt-Cassegrain telescopes and want faster imaging and a wider field without changing telescopes. It is especially useful for owners of C5, C6, C8, C9.25 and C11 telescopes who want an f\/6.3 option and for anyone shooting extended deep-sky targets.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for visual observers who prioritize maximum native contrast at very high magnifications or for those using mounts that already have multiple auxiliary ports. Professionals needing custom optical solutions should consider dedicated reducers or custom mounts instead.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduces exposure time significantly, making astrophotography more efficient.\u003c\/li\u003e\n\u003cli\u003eProvides a much wider field of view that many customers reported as improving composition for deep-sky targets.\u003c\/li\u003e\n\u003cli\u003eHigh-quality fit and finish with components made in Japan, giving reliable mechanical performance.\u003c\/li\u003e\n\u003cli\u003eAux Port Splitter solves the common problem of a single AUX port on many computerized mounts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe change in focal ratio can alter contrast and central obstruction effects compared with native longer focal ratios.\u003c\/li\u003e\n\u003cli\u003eThe splitter is an adapter only and does not add powered or advanced control features beyond duplicating the AUX connection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eReducer\/Corrector and Aux Port Splitter combo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible telescopes\u003c\/td\u003e\n\u003ctd\u003eC5, C6, C8, C9.25, C11, C14 Schmidt-Cassegrain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal ratio\u003c\/td\u003e\n\u003ctd\u003ef\/6.3 for C5-C11; f\/7 for C14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAstrophotography benefit\u003c\/td\u003e\n\u003ctd\u003eReduces exposure time by about a factor of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAux connector\u003c\/td\u003e\n\u003ctd\u003eOne 6-pin input; two 6-pin outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eReducer\/Corrector made in Japan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor C-series owners who photograph the deep sky or want a wider field, this reducer\/corrector and AUX splitter bundle is a practical, value-focused upgrade. The reducer speeds imaging and preserves usable image quality, while the splitter fixes a common mount limitation, making the pair a smart, compact addition to many setups.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill the reducer work on my C8?\u003c\/strong\u003e\u003cbr\u003eYes; the reducer\/corrector is specified to work on C5 through C11 models, giving f\/6.3 performance on a C8.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the splitter add any power or control features?\u003c\/strong\u003e\u003cbr\u003eNo; the Aux Port Splitter simply provides two 6-pin auxiliary outputs from one 6-pin input to allow two devices to be connected.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes using the reducer harm image quality?\u003c\/strong\u003e\u003cbr\u003eWhen used as intended it preserves image quality while widening the field, though the change in focal ratio can affect contrast and central obstruction compared with the native configuration.\u003c\/p\u003e","brand":"Celestron","offers":[{"title":"Default Title","offer_id":48629341913307,"sku":"B09XMSSY4V","price":229.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51hBbUeNQeL._AC_SL1001.jpg?v=1778430446","url":"https:\/\/gearmusthave.com\/products\/celestron-f-6-3-reducer-corrector-aux-port-splitter-dual-purpose","provider":"GearMustHave","version":"1.0","type":"link"}