LX7 awful edge resolution due to distortion correction

Started Apr 30, 2013 | Discussions thread
Sean Nelson
Sean Nelson Forum Pro • Posts: 12,846
Re: Distortion is the best compromise

technic wrote:

It's not just the 'stretching' from distortion correction...

You know that "stretching" in the corners is normal to get a rectilinear image at very wide angles, right?   It doesn't matter whether this is done in software or by the optical design - you can't have straight lines appearing straight and also have a very wide field of view without corner stretching.   Without that stretching you get lesser or greater degrees of barrel distortion which, if you go to the extreme, gives you a fisheye lens.

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