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Channel: Adobe Community : Discussion List - Digital Negative (DNG)
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Why does DNG Converter insist on lossy conversion?

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I use DNG Converter to convert RW2 files to DNG so I can work on them in various PP programs.

No matter whether or not I have the "lossy" box checked, DNG Converter insists on doing a lossy conversion.

How can I stop this?

Sample images:

Original RW2 image, with histogram:

DNG ISSUE jpeg - RW2 ORIG.jpg

 

DNG image - note loss shown on histogram.  There is also posterized banding, although in the small image allowed on this site it is very hard to see.

DNG ISSUE jpeg - DNG IS LOSSY.jpg


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