Thread: [WITHDRAWN] Bahtinov masks for telephoto lenses
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Old 04-06-2015, 10:48 PM
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Joshua Bunn (Joshua)
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Joshua Bunn is offline 		 
Join Date: Oct 2011
Location: Albany, Western Australia
Posts: 1,486
I tested the masks last night that Stefan made for me, on a 35mm f1.4 and a 70-300mm f4-5.6 lens, the 0.9mm slits worked better than the 2.0mm slits, on both lenses.

I'm very happy with their build quality.