Thread: Mods to el-cheapo 4.5" reflector
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Old 24-06-2005, 06:14 PM
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asimov (John)
Planet photographer

asimov is offline 		 
Join Date: May 2005
Location: Bundaberg
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Thanks rob.

According to those calculations, I need a secondary diameter of 19.25mm
Seeing I've got a 25mm that cant be the problem.
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