Digital BW, The Print

Helmut Dersch's PanoTools purports to have one, does lens distortion, also.
Free.

Phil Morse

> Does anyone here know of a Photoshop plug-in that simplifies compensating
> for lens vignetting? I've managed to do this with a circular gradient, but
> boy is it a pain in the butt. I can imagine how one might work: a curve
> editor that lets you specify the amount of lightening as a function of the
> distance from the center of the picture, while previewing the result in
real

> time. Seems like an obvious thing to want, so I'm hoping it exists.
>
> --
>
> Ciao,               Paul D. DeRocco
> Paul                mailto:pderocco@...

> From: Phil Morse [mailto:pmorse@...]
>
> Helmut Dersch's PanoTools purports to have one, does lens
> distortion, also.

Yeah, I guess that's easier than the gradient stuff, but it's still not
interactive, and doesn't let you control the transfer function between
distance from the center and brightening. I got reasonably good results with
it on the image I had been fighting with, though. Thanks for the tip.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@...