F/6.3 reducer/corrector for Schmidt-Cassegrains

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This combination focal reducer and field flattener consists of a four-element multicoated 41mm lens in a metal cell. It threads onto the rear cell of 5” to 16” Celestron and Meade Schmidt-Cassegrain telescopes, making it possible to have a dual focal ratio instrument without sacrificing image quality. The reducer/corrector duplicates the rear cell thread of the telescope, allowing you to attach all standard rear cell visual and photographic accessories. The reducer/corrector converts the f/10 focal ratio of Celestron C5, C8, C9¼, and C11 telescopes (and all Meade 8” and larger f/10 telescopes) to f/6.3. The f/11 C14 telescope becomes an f/7. When used for astrophotography, it reduces exposure times by a factor of 3, with an actual field diameter of 1.5” at the film plane.

The reducer/corrector is supplied with full instructions and with plastic dust caps for both sides of the lens assembly. A rubber grip ring on the body allows for easy installation of the reducer on your scope, even when you are wearing gloves.

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2 years
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Overall Product Rating: AstronomicsAstronomicsAstronomicsAstronomicsAstronomics(4.67)   # of Ratings: 3   (Only registered customers can rate)

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1. Javier on 5/15/2013, said: AstronomicsAstronomicsAstronomicsAstronomicsAstronomics
I have owned this Celestron R/C for 8 years now, and it continues to perform very well. I recently used it on my Astrotech AT66 refractor and to my surprise it flattened the field and gave F4 speed on it. The field is at least 90% corrected and photographic field is greatly augmented.

Good reducer corrector, especially for its price.

Clear skies,
Javier Villarreal
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2. James on 5/1/2013, said: AstronomicsAstronomicsAstronomicsAstronomicsAstronomics
I think this is the first accessory one should buy for an f10 SCT. I use it on a Meade 10" and a Celestron 6", for both visual and photographic observation. With a 40mm 45 degree FOV eyepiece, I get almost a 2 degree field in the smaller scope, and a degree in the larger one. Very quick to install and remove, and the optics are superb.
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3. Kevin on 3/13/2013, said: AstronomicsAstronomicsAstronomicsAstronomicsAstronomics
This really is a handy little device. I do not do astrophotography so I do not need it for shorter exposure times, but I do use it to double the use of my eyepieces, similar to how one would use a barlow lens but with the opposite effect. With this, my 8 SE goes from a 2032mm f/10 scope to a 1280mm f/6.3 scope. This allows my 17mm Ethos to have magnifications of 120x at 2032mm, and 75x at 1280mm. My 13mm Ethos goes from 156x at 2032mm to 98x at 1280mm. You get the idea. Using this focal reducer really expands the capabilities of the telescope. I highly recommend it if you want to give more flexibility to your eyepiece collection for lower-power viewing.
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Celestron - F/6.3 reducer/corrector for Schmidt-Cassegrains

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Celestron - F/6.3 reducer/corrector for Schmidt-Cassegrains
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 AstronomicsAstronomicsAstronomicsAstronomicsAstronomics (Average: 4.67 | Users: 3)  Only registered users can submit ratings - Register Here
Our Product #: 8325
Manufacturer Product #: 94175
Price: $134.95  FREE ground shipping - Click for more info
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MSRP: $211.95
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This combination f/6.3 focal reducer and field corrector works with all Celestron 5" through 14" Schmidt-Cassegrain telescopes, as well as all Meade 8" through 16" SCTs . . .





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