Archived posting to the Leica Users Group, 2014/04/11

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Subject: [Leica] DNG
From: jayanand at gmail.com (Jayanand Govindaraj)
Date: Fri, 11 Apr 2014 19:56:36 +0530

>From a Nikon list about DNG for what it is worth - I have no idea if it is
true or not. I do not use DNG format, so it is of little concern to me, but
those who do might want to check it out:

Quote
Worth noting that DxO Optics Pro does not (cannot, will not) open DNG files
for the following reasons:

"Regarding DNG files. We do not offer currently support for converted DNG
files in Optics Pro or any of our other produces. Though DNG converted
files contain the original RAW file information, the information is no
longer exactly as the camera body wrote it. RAW files are encrypted by
their manufacturers, and in order to use the information in these files, we
must decrypt the information using precise information provided to us. To
do this, it is critical that the information in the file be exactly as it
was written by the camera, down to the exact location of the data within
the file. When you convert the original RAW file to the DNG format, the
decryption information we have fails because the data has been moved.
Optics Pro is a far more precise program than the other programs you noted,
so it is imperative that all information be as the camera originally wrote
it to your camera card. Therefore, we currently do not have any immediate
plans to offer converted DNG support for input files.  DxO Support Team "
Unquote

Cheers
Jayanand


Replies: Reply from kanner at acm.org (Herbert Kanner) ([Leica] DNG)
Reply from john at mcmaster.co.nz (John McMaster) ([Leica] DNG)