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Focal Reducer For CPC 11

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#1 Guest_**DONOTDELETE**_*

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Posted 29 November 2005 - 07:36 PM

Hey guys, first post on here. (Although I have been lurking for a few weeks researching scopes.)

I'm about to order a CPC 1100. Would it be wise to go ahead and get the F/6.3 focal reducer for visual use. I would use it sometime in the future for astrophotography for sure. I'm concerned that the F/10 focal length may narrow the view for DSO's, although I'm sure it will rock for planetary viewing. So is it something I should go ahead and order with the scope now? Or is the scope fine for visual observing DSO's without it?

Thanks!

#2 wilash

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Posted 29 November 2005 - 08:22 PM

I would use the scope for a while and find out were the weakness is. Many CAT folk find it better to mount a short focus refractor on thier scope instead. That can make for a more flexible system for both observing and photography.

(If you are keeping your C8, then I would not bother. Just use that for larger FOV.)

#3 Rusty

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Posted 29 November 2005 - 10:22 PM

With few exceptions (mostly galaxies of the Local Group, like M31 and the Sculptor Galaxy [NGC 253]), f/10 won't be a hindrance.

The 6.3 F/R can be useful for astrophotography, but like wilash says, save it for the future. Your scope will insist on many other, more immediately useful, gifts in the meanwhile... :grin:


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