chris_fatseas's profile

6 Messages

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230 Points

Sun, Aug 16, 2020 10:11 AM

Camera Raw: R5 and DNG converter

DNG conversions for the Canon R5 are too dark by about 2/3 of a stop when compared to Canon's official DPP software.

I hope this is addressed when official Canon R5 support is added to Adobe Camera Raw.

Also please add Camera Matching colour profiles for the R5! This is really important for my workflow.

Thanks,
Chris

2.3K Messages

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26.4K Points

1 y ago

Has nothing to do with DNG and you can not compare the two as each renders differently.

110 Messages

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1.7K Points

1 y ago

DNG for example has baseline exposure tag that instructs a compatible raw converter to add a behind the scenes brightening (one can use "hidden exposure correction" wording)... on top of that each raw converter, specifically from camera manufacturer can add its own adjustments behind the scenes... if you want to see how did you really expose then use software like rawdiffer or fastrawviewer... might be helpful for you to master the proper metering with your camera model

6 Messages

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230 Points

Thanks very much for the reply, I'll try the programs you suggested. I compared the files from my Canon EOS R to the R5, both in adobe camera raw and they are about 2/3 of a stop different in exposure with exactly the same lighting and camera settings. Could the base ISO of the R5 really be that much darker or has the EOS R had "hidden exposure correction" applied by Adobe camera raw?

2.3K Messages

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26.4K Points

Author “Color Management for Photographers" & "Photoshop CC Color Management" (pluralsight.com)

6 Messages

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230 Points

Amazing, thank you!

2.3K Messages

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26.4K Points

 I compared the files from my Canon EOS R to the R5, both in adobe camera raw and they are about 2/3 of a stop different in exposure with exactly the same lighting and camera settings.

Exposure is only the attribute of how much light strikes the sensor (or film) and as such only Aperture and Shutter. The one raw has one exposure. It may appear brighter or darker depending on the settings used to render the raw but the exposure is fixed. That's why I said DNG has nothing to do with this. The exposure is what it is. You can use a DNG or a proprietary raw in a dozen differing raw converters and alter the apparent brightness but you cannot ever alter the exposure. That only takes place when you capture your image. 

Author “Color Management for Photographers" & "Photoshop CC Color Management" (pluralsight.com)

6 Messages

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230 Points

Understood, thank you.

23 Messages

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500 Points

1 y ago

This is what has been noticed. When you open RAW files from the R and the R5 of the same image using Canons DPP the exposures are fairly equal. When you open those two flies using LrC 9.4 the R5 files are about 1/2 a stop darker.            

6 Messages

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230 Points

Yes, this is exactly what I have noticed. Glad I'm not going crazy here..