Highlights didn't get out of control as easily. Is this how I should be scanning my black and white negatives?
I don't understand how the scanner will do a better job one way or the other. ... Maybe I'm missing something, but that's how it seems to me.
Everything described in those links only indicate that adjustments were done. Maybe I missed it
How can the scanner know during the scan whether the spot it is looking at is darker or lighter and and since it has no idea what the scene was that the film represents at that point.
Since film only represents a few stops, it only has to measure from black to clear so the exposure can be "fixed".
Everything described in those links only indicate that adjustments were done. Maybe I missed it, but I didn't see how those adjustments changed the data captured by the scanner itself.
Would like to get some explanation how setting the black and white points effect the amount of data collected on film shots that are less than 0-255. If someone could clear that up for me, that would help explain how better data can be gotten during the scan.
I don't have a Coolscan so I can't do your experiment.
What is interesting however is that when I do adjustments after the pre-scan scan but before the actual scan, the scanner applies the various settings I selected to show me what it looks like. Obviously, those are software adjustments since the main scan hasn't occurred yet. It seems to me that the same adjustments are done by the scanner software to the main scan.
I just want to say that, as far as I am aware, setting the black and white points in the scanner software is simply a software step (same as doing it in your image editor after the fact) and in no way affects the actual physical scan.
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