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Re: 2" visual back for C8

Started by gyrocopter24, 09/25/2010 09:15PM
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Posted 09/25/2010 09:15PM | Edited 09/25/2010 09:17PM Opening Post
Terry swan
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Join Date: Aug 2005

Location: omaha ne, US

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Hello,
I'm new, to astronomy. Could someone explain what is meant by "1.25" visual back"?
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Posted 09/26/2010 06:53AM | Edited 09/26/2010 06:55AM #1
Michael Greenham
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Join Date: Jun 2008

Location: Sherbrooke QC, CA

Posts: 83

Hi Terry,
A 1.25" visual back is an accessory used to adapt the threads on Schmidt-Cassegrain telescopes for use with 1.25" accessory items. This link will take you to a better description and a photo.

http://www.celestron.com/c3/product.php?ProdID=313

There is also a 2" visual back for 2" accessories but I prefer the 2" SCT diagonal which screws directly to the rear cell of the scope.

Cheers,
Mike
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