Thread: Celestron Ultima Barlow as good as a powermate?
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Old 25-04-2006, 01:28 PM
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asimov (John)
Planet photographer

asimov is offline 		 
Join Date: May 2005
Location: Bundaberg
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Well I'm going to ask this question: wots so good about these powermates!?? I have a APO barlow. Whats the chances of a powermate 'blowing' mine out of the water? Whats the optical design of them...WHY are they apparently "the best" ??
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