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DNG from LrM camera - no mosaic data?

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Senior Member
Lightroom Guru
Oct 8, 2007
Leafy Dulwich, S London
Lightroom Experience
Power User
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  1. Windows 10
Just want to bounce this off others..... A client has shot a DNG using the LrM camera on an iPhone 12 Pro, and it synced automatically to LrC. As far as I can tell, he shot using the Pro option since that's how the LrM camera is currently set up and he's not the kind of person who changes settings.

He was wanting to experiment with Denoise but it's unavailable and the Metadata panel reports that the file contains no mosaic data. Any ideas why this might be? I've tested with my iPhone 8 and Auto, Pro and HDR options all produce DNGs with mosaic data.
Current theory: he actually shot this DNG using the iOS camera, not LrM. So Apple seems to be saving a linear mosaiced DNG rather than a linear mosaiced one?
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That would have been my thought as well. Presumably the ProRaw files (or whatever Apple call it) are demosaiced in order to apply their own "iPhone image processing" to the raw file, i.e. producing a linear DNG rather than a true Raw DNG? Which would make them ineligible for AI Denoise at this time, yes?
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