On Fri, Jul 05, 2013 at 10:51:03AM +0100, Bruno Postle wrote:
> On 5 Jul 2013 10:43, "Gnome Nomad" wrote:
> >
> > Maybe new cameras are fancier now, but I'm highly doubtful that any of
> them can do any correction for lens distortion. Of course, probably someone
> knows different. Or some camera makers marketing departments are run by
> lunatics ...
>
> My (getting elderly now) lumix lx3 pocket camera does barrel distortion
> correction in-camera for JPEG files. I've never tried comparing it to RAW
> output, and clearly this approach wouldn't work for cameras that take
> generic lenses.
The processing in the camera is getting cheaper and cheaper. In the
old days you had to buy "hardware" to get for instance the
magnification for the RED, BLUE and GREEN light rays to be the
same. Nowadays, you can grab the image, and then just scale the
resulting subimages in software on the camera. Much cheaper than
expensive lenses. I wouldn't be surprised if barrel correction is also
already done in the camera. As is already reported by Bruno as well.
Roger.
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