Anyone shoot raw with the M.Zuiko 9-18mm?

Started Jul 13, 2011 | Discussions thread
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amalric
amalric Forum Pro • Posts: 10,839
Re: you must be kiddin.....

You should analyse the image: the diagonal is probably larger than a 9mm, say 8mm.

After distortion correction it becomes a 9mm, because the correction is lossy. The black corners are cut away, but the pixels at the edges are 'stressed'.

That is what happens at least when you linearise a 8mm fisheye in PS.

Am.
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