pef vs dng

Dario Bonazza dario.bonazza at
Wed Oct 7 16:21:34 EDT 2009

Godfrey, I know and agree with you about the way proprietary RAW files such 
as PEF store conversion data as opposed to DNG. Everyone trying to use both 
formats should have noticed that, including those only trying "the other" 
format (whichever it is) once or twice.

That makes me think that in case someone has to sue someone else about 
copyright infringement, etc., a converted DNG could look "manipulated" and 
not "original". Looking at the file date/hour could be enough for finding 
it's "newer" than the day the picture was taken, thus raising suspect. Do 
you believe the author cold find more difficulties in using a DNG as proof 
of ownership on image rights than using a proprietary "untouched" RAW file?

I agree that falling into such a rough trap would be idiotic, but do you 
believe a judge can be awaken enough not to be fooled into doubt by a shrewd 


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