From: "Tanya Love"
So to all you tecchie-heads, who can answer this question??
Now that I have the option (with my new K-7) of choosing between .pef
and .dng, I am wondering why there is such an option and which file
format is better, or are they both a much of a muchness? Can anyone
help me here?
Tan. ?
PEF because Pentax had to have a raw format to go with Pentax cameras
DNG is an idea from Adobe for an open universal raw format. Pentax is
one of the very few manufacturers to support dng. I think Samsung
offered only dng as the raw format on their versions of the K10/k20.
DNG is useful if you're using an older version of Photoshop and the
latest camera raw that will work with that version doesn't support your
current camera. Adobe makes a free stand-alone DNG converter that's
backwards compatable - supports the newer cameras and produces a DNG
earlier versions of Photoshop can use.
If everyone used DNG it wouldn't cost Adobe as much to produce new
versions of Camera Raw.
I don't figure one is a lot better than the other or Pentax wouldn't
offer both, they'd only offer the better one.
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