Within OS X Photos app, when I shoot jpeg/raw and upload to Photos, I get an image representing both files. By default I am looking at the jpeg. Or I can choose a command "Use Raw as Original".

I know conceptually that Raw contains more information and leaves the image processing to the computer not the camera. And I know conceptually that therefore I can possibly extract some more info out of the raw image file.

My question is as a practical matter, and specifically in Photos.app, what purpose is there to "Use Raw as Original"?


As far as I know, this is the only way to get the Photos application to work with the RAW file at all. If you use the edit features without doing this, you are working with the JPEG file instead of the RAW, with all that entails.

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