Lightroom/Camera Raw: Black and white mix disabled

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  • Updated 3 weeks ago
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I just jumped on LR Classic CC. v. 7.5.
I am Fuji owner and would like to use Fuji camera profiles. If I chose any of the Fuji monochrome profiles, the B&W panel gets deactivated and there is a message: Monochrome profile applied.
That behaviour does not occur if I chose Adobe Monochrome profiles.
For me it's really weird - I would like to make own adjustments after applying camera profiles. The way it's currently set up does not make any sense to me.
Same happens in LR CC and LR Mobile (so this is a consistent behaviour)

Anybody knows how to get over this issue? I would appreciate an advice or explanation. Perhaps I mix up things... or demand too much?

thanks,
Robert
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Robert Lysakowski

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Posted 4 weeks ago

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Kelly C., Senior Lightroom QE

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Official Response
Hi Robert,

The behavior that you describe is expected.

Camera Monochrome profiles (such as those found in the Camera Matching set for your Fuji camera) were designed in such a way that when applied, all color is removed. The B&W Mixer sliders are disabled in this instance because without color data, the mixer has nothing to work with. This is why the “Monochrome profile applied” messaging appears in the UI.

Adobe Monochrome on the other hand, leaves those colors intact by using a different method of conversion under the hood. It was intentionally designed this way so that the B&W Mixer would remain enabled (as were the profiles found in the shipping B&W set). 

If access to the B&W mixer is important to your workflow, you might give the profiles in the default B&W set a try, as they allow far more control (profile amount slider, access to the B&W mixer) than do the legacy Camera Matching profiles.