22-01-2008, 10:04 PM
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Registered User
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Join Date: Oct 2006
Location: Walcha , NSW
Posts: 1,652
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Thanks Zuts, Thanks Terry!
Its a brilliant program!!!!!!
I was trying to figure out if an f/3.3 reducer would be ok to use on my 8" SCT with the 400D attached, and comparing that FOV to the 300mm APO Sigma lens im getting this week!
Cheers! 
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