Thread: [WITHDRAWN] Bahtinov masks for telephoto lenses
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Old 08-06-2015, 02:48 PM
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Joshua Bunn (Joshua)
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Quote:
Originally Posted by Jen View Post
Hi stefan I measured the inside of the dew Shield on the ED/80 (tricky task haha) I got 351mm does that sound right
Hi Jen,
That does not sound right, It might be in the order of 110mm, but definitely not 351mm. Are you sure you did the diameter and not the perimeter?

Josh