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Sharpening Lightness channel in Lab

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Hi Huntclark,

Welcome to the forums :)

You certainly can! If you open the Channels Studio and select the Composite Lightness channel, you can apply an unsharp mask to this layer only, then re-enable the other channels.

I've attached a quick video recording showing this in action, along with a duplicate image with the unsharp filter applied to all channels to show the difference! (left is L channel only, right is all)

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