Adobe DNG Converter doesn't copy maker notes from Canon EOS R cr3 files

Forum|Forum|3 years ago
April 7, 2023
1 reply
813 views

When I use Adobe DNG Converter to convert my Canon EOS R cr3 files, the maker notes are not copied. I can see the maker notes in the cr3 file, is there a way to add these to the dng file?

Thanks in advance for any help.

Windows

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Kevin Stohlmeyer

Community Expert

What metadata field are these "maker notes" added to in the cr3?

B

Bryan ConnerAuthor

Known Participant

I can see the maker notes when using ExifTool by Phíl Harvey via ExifTool GUI. There is a separate section titled "Canon". In ExifTool GUI when you look at all of the metadata. There is a separate tab that separates the maker section out of the complete exif where you can see this information. I have done a bit more research and speaking with someone in another forum and have found out that the maker notes are removed in R5 files as well.

The problem this causes is not an Adobe problem, but a DXO Photolab problem caused by the missing maker notes. Adobe DNG converter does not remove these maker notes from .cr2 files or in older crw files...just cr3. I have to wonder why Adobe DNG converter is not acting in a consistent way when converting cr3 files compared to older files.

I can keep on just using cr3 files with DXO Photolab and forget about the not so big advantages of dng files.

Kevin Stohlmeyer

Community Expert

This sounds more like the metadata mapping has changed with the cr3 format. One thing to check is if the makers notes are setup in the same fields/formats as the cr2. If Canon is using a proprietary field for the makers notes, then it would need to be mapped to a related EXIF metadata field.

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