But, if as indicated before, you use PTLens
<http://epaperpress.com/ptlens/> you can take test photos with the lens
in question and send them to the author, Tom Niemann. Tom will take
your test photos and build a profile for that particular lens on a
particular digital body. With a custom profile PTLens is capable of
correcting even complex moustache distortion.
See the "Lens Correction" and "Calibration" sections on the page above.
Chuck Norcutt
Sawyer, Edward wrote:
>> Ed, are you saying the C/Y Distagon has more distortion than the Zuiko
> 21mm?
>
> I think so, yes. And worse than the quantity is the complexity - it's
> moustache distortion, difficult to correct.
>
> Distagon is a nice lens, no doubt, but considering the
> price/size/distortion/speed, I'd still prefer the
21/2 zuiko.
> But I like the Mamiya 7 43mm better than either of those 21s.
--
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