Thread: [WITHDRAWN] Bahtinov masks for telephoto lenses
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  #71  
Old 24-08-2015, 02:56 PM
Stefan Buda
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Stefan Buda is offline 		 
Join Date: Jul 2013
Location: Melbourne, VIC
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Another size added to my list: 77mm filter size with 0.9mm slits.

Suitable for lenses down to 50mm focal length.
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