Thanks Thomas,
You're right, I ment barrel distortion. Musta been thinking of your
comments on field flatness affecting the photodo tests.
Thanks for your help. I was hoping photodo's distortion numbers were
flawed too, but it sounds about right with what you've seen.
Mike
Thomas Bantel wrote:
>
> It's 2% distortion, field curvature is something different. Anyway, 2%
> distortion IS visible on very critical scenes with long, absolutely
> straight lines next to the edges of the frame. I have done such pictures
> for test purposes, but never had bent lines jump out on me in real world
> pictures taken with the 20mm.
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