Thread: Bino viewer & fast dobs?
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Old 12-06-2013, 09:05 AM
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chrisp9au (Chris)
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chrisp9au is offline 		 
Join Date: Jan 2007
Location: Clifton Springs, Victoria
Posts: 889
G'day Bob,

I understand it to be Optical Corrector Adapter

Cheers

Chris
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