When the scanning software is set to deliver a brighter or darker image, does that setting affect (a) the scanning process itself, or (b) only post-scanning interpretation of the data recieved from the scanner ? In other words, does it affect the exposure ?
If the answer is (b), that means the scanner does the same scan every time, and what you get is wat you get. You can't ask it to read extra deeply into the shadows, or darken the highlights, etc. You only do that after scanning, for better or worse. The same would apply to color balance correction, etc.
Is there a difference here, between cheaper versus expensive scanners ?
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