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Old 05-03-2006, 09:34 PM
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mick pinner
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mick pinner is offline
 
Join Date: Feb 2005
Location: monbulk-vic
Posts: 2,010
Binoviewer Question

l am l right in assuming that a binoviewer halves the focal length of the scope.
eg: f/10 fitted with binoviewer becomes f/5?
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