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Corrector for C5, C8, C9.25 and C11

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This combination focal reducer and field corrector lens accessory works with all Celestron C5, C8, C9A A¼, C11 and C14 telescopes. This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality. The Reducer/Corrector is f/6.3 for C5, C8, C9A A¼ and C11 telescopes and f/7 for the C14 telescope.If offers wide fields of view with any Schmidt-Cassegrain telescope. Used for astrophotography, it reduces exposure time by a factor of 3. Celestron doesn't offer a f/6.3 Schmidt-Cassegrain telescope, because the design is impractical, with a large central obstruction, and resulting loss in contrast. This, added to the inability to utilize longer focal ratios for certain objects, led Celestron to design the four-element, fully multicoated f/6.3 Reducer/Corrector. Results are amazing both visually and photographically.

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$115.50 at B&H Photo-Video

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Seller	Seller Rating	Additional Info	List Price	Tax & Shipping	Total Price
B&H Photo-Video	(7,663 reviews)	New	$115.50	Enter your Zip code to get the total price with tax and shipping:

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(based on 2 reviews)

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Posted: June 1 2010 review from Amazon User

Pros & Cons :
it's pretty solid, and easy to take in and out.

Celestron f/6.3 Reducer Corrector.

...I've been using it for astrophotography mainly, and it's been working great. Really clear shots, with only a little vignetting around the edges. It's pretty solid, and easy to take in and out. I w ... read more

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Posted: March 3 2009 review from Amazon User

Pros & Cons :
the main issue i had was i could not focus with this lens installed unless it was put in the right order.

Works well with a few issues

...I have enjoyed this lens especially for astrophotography. The main issue I had was I could not focus with this lens installed unless it was put in the right order. I found I had to place it as c ... read more

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Product Specs & Details

Feature:	Shortens effective focal length of Schmidt-Cassegrain optical system by 37% Converts f/10 optical system to "faster" f/6.3 for a wider field of view Shortens exposure times for astrophotography by 2.5 times Four-element, fully multi-coated optical design with 41mm clear aperture Works with any brand and size of Schmidt-Cassegrain. Threads into rear cell.
Category:	Electronics
Brand:	Celestron
Label:	Celestron
Model:	94175
Product Group:	Photography
Publisher:	Celestron
Height:	2 in.
Weight:	1 lbs
Length:	2 in.
Width:	2 in.
Part Number:	94175
Top Brands:	Celestron
Height:	2.0 in
Weight:	1.0 lb
Focal Ratio:	7
Type:	Schmidt-Cassegrain
UPC:	050234941754
ASIN:	B00009XVHZ

See item at: B&H Photo-Video: $115.50

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Celestron f/6.3 Reducer/Corrector for C5, C8, C9.25 and C11

User Reviews for Celestron f/6.3 Reducer/Corrector for C5, C8, C9.25 and C11

Celestron f/6.3 Reducer Corrector.

Works well with a few issues

Product Specs for Celestron f/6.3 Reducer/Corrector for C5, C8, C9.25 and C11

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