From: Larry Colen
On Nov 4, 2010, at 2:22 PM, John Sessoms wrote:
Shouldn't LR2 & CS1 be able to handle .DNG files even from newer
cameras?
I've been giving some thought to switching to .DNG for my raw
format, at least temporarily to experiment with it. Who knows? It
might even prove advantageous.
My only question is what gets lost when you save as .dng? Does any
of the metadata get thrown away?
I don't think so. Certainly not from the .DNG raw format Pentax
implements in camera.
I think the only real difference is in the way the raw sensor data is
organized and the .DNG has to have capability to store information on
multiple sensor Color Filter Array patterns that wouldn't be required in
a proprietary raw file that has to deal only with a single pattern.
It's TIFF/EP with a TIFF structure for Exif metadata, XMP metadata and
IPTC metadata.
Basically, if there's a form of metadata Photoshop or Lightroom
recognizes, .DNG would accommodate it.
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