Capture One DNG Not DNG?
Downstream of my image workflow our digital archive team are responsible for the long term preservation of all digital content produced by my organisation.
To assist preservation they use software called DROID to identify file types. This identification information is stored and is the primary driver for any future migration of file types.
We have an image workflow where we convert the original Raw files to DNG before archiving.
I am being told that DNGs produced by Capture One software are not being identified as DNG files by DROID whereas DNG files produced by Adobe Photoshop / DNG Converter are. They are suggesting that the DNG files produced by Capture One are possibly not true DNG files or at least do not confirm to the same signature as Adobe DNGs and in fact are being identified as TIFF files by DROID.
Anyone else saving DNG files and had a similar experience or can you suggest why Capture One is not producing a true DNG file?
Many thanks
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From Capture One help after a quick search on DNG
There are quite a lot links giving similar information which might partially answer your question
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@Dave R
I have followed the links but none of them explain why a RAW IIQ file when converted in Capture One to a DNG file is seen as a tif in DROID. A DNG file created in ACR from an 88mb IIQ file becomes 104mb but converting that same file in C1 to DNG it becomes 152mb. The file created by ACR is seen in DROID as a true DNG file but the one created by C1 is seen as a tif.
These differences are very important when they will be included in a digital archive.
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DSAD,
I would suggest it would be best to talk directly to Capture One Technical Support rather than wait for a User to User type of answer here.
Use the "Submit a request" feature of the Community pages to create a Support Case with direct contact to people who should be able to provide a definitive answer.
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Many Thanks
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