Yes I certainly do bother with calibration. Some lenses don't need any at all 
but other, actually very good, lenses never achieve sharp results without it.

I don't use any form of software tool for the adjustment though, that would 
seem an unnecessary complication. At least on the Pentax systems I use, it may 
be different for other brands.

Rgds,
Rob.

-----Original Message-----
From: Wolfgang Mader [mailto:[email protected]]

1) Do you bother with camera/lens calibration?
2) Is there a tool I can run on Linux for the task? (I am on Canon, but this 
might be interesting for others and hence other brands also.)

Thank you.
Best,
Wolfgang



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