Thread: Canon 400mm F2.8 L FD (non-IS, manual)
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Old 03-10-2015, 02:02 PM
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AlexN
Widefield wuss

AlexN is offline 		 
Join Date: Mar 2008
Location: Caboolture, Australia
Posts: 6,823
I've been doing tests. Just trying to nail down a method of cutting a perfect circle.
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