I've tried again today an HDR image from 3 RAW files. My RAW files are
-1EV, +1EV and standard exposition. The RAW exposed for the shadows
are of course burning the highlight and those areas are being rendered
with purple color.

I found out that if I do the HDR from the 2 images with lowest
exposures I have no purple areas.

This is not expected to me, as the point of HDR is exactly that avoid
the highlight and dark zones. If I expose for the dark area I have
burnt highlight and if I expose for highlight I have black areas.

So what's the point if to do an HDR I have to take pictures with
"correct" exposure?

Thoughts?

-- 
  Pascal Obry /  Magny Les Hameaux (78)

  The best way to travel is by means of imagination

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  http://www.obry.net

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