Shortcut to compress the curve

Question

When I scan my negatives and reverse the curve, the dynamic range becomes compressed, so I need to adjust the white and black points to the right spot to increase contrast. These points vary from one negative to another, so I can't create a preset for this. Is there a shortcut to adjust the curve just to the point where it starts clipping, so I don't have to do it manually? I find this to be the most time-consuming part, especially when I'm scanning 10, 20, or more rolls at once. I know there are plugins like Negative Lab Pro, which I prefer to use only for my color negatives.

FSt0p · Answer

You can Shift+DoubleClick on Blacks and Whites in the Basic panel.

This will stretch histogram (tonal values) to the full range and you will not need to do this in Curves.

To do this in batch is quite tricky.
You'll need to apply Auto tone, and then reset everything that is not needed (Exposure, Contrast, Shadows, Highlights, Saturation and Vibrance).

Or you can use this plugin: http://regex.info/blog/2018-04-20/2860

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