On Wed, Jul 27, 2011 at 2:28 AM, Leonard Evens wrote:

> Actually, I am familiar with the lens model, and at one point I tried to
> calculate the coefficients for a lens I had.  It is not conceptually
> difficult, but it is harder in practice to do than one might imagine.  I
> would rather not do it if it has already been done.  As I remarked, the
> gimplensfun filter does a very good job based on what it finds in the
> exif file, and it works very well for my 18-200 mm Nikkor lens.   So
> ufraw should be able to do as well.   I think it is bug in ufraw and I
> hope someone will fix it soon.

If you are on Linux, I'd rather recommend darktable over UFRaw.
It also supports LensFun library to fix distorsions.

Meanwhile Hugin 2011.2.0 is coming with lens calibration UI (just in
case you're interested).

Alexandre Prokoudine
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