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Author Topic: Identical vignetting for 16-35 f/2.8L III as II version?  (Read 81 times)

Offline ahsanford

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Identical vignetting for 16-35 f/2.8L III as II version?
« on: December 20, 2016, 04:25:27 pm »
This a comment for this page on the website
Agree with myname.  How are these vignetting curves the same? 

You disagree with at least four reviewers reporting 4+ stops vignetting at 16mm f/2.8 for the f/2.8L III.

Are you testing at infinity focus, where vignetting would be the worst?  Your methods page does not state this, please clarify your method.