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

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Subject: [Leica] DNG
From: kanner at acm.org (Herbert Kanner)
Date: Fri, 11 Apr 2014 20:21:51 -0700
References: <CAH1UNJ1pQRu_yu3gA2p7D17pxLQ354+NeTVm9mXy7ySoXrNmHw@mail.gmail.com>

Sounds like BS to me. Opinions from any experts among you?

Herbert Kanner
kanner at acm.org
650-326-8204

Question authority and the authorities will question you.




On Apr 11, 2014, at 7:26 AM, Jayanand Govindaraj <jayanand at gmail.com> 
wrote:

>> 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
> 
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Replies: Reply from frank.dernie at btinternet.com (FRANK DERNIE) ([Leica] DNG)
In reply to: Message from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] DNG)