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Re: DXO for vignetting or not before PTGui ?

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  • Erik Krause
    ... ...which gives a theoretical vignetting value without guarantee that this meets the real situation. ... The algorithm (based on a paper by Pablo d Angelo
    Message 1 of 3 , Mar 2, 2008
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      On Saturday, March 01, 2008 at 17:55, Victor wrote:

      > The correction is hard-coded for lens, and if zoomable, for the zoom
      > setting, etc. as read through EXIF.

      ...which gives a theoretical vignetting value without guarantee that
      this meets the real situation.

      > PTGui does an excellent job, but is calculating the correction on the
      > fly and that may be affected by what's in the picture.

      The algorithm (based on a paper by Pablo d'Angelo BTW), is pretty
      robust and gives very good results - and of course it works on the
      real vignetting, not a theoretical value.

      best regards
      Erik Krause
      http://www.erik-krause.de
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