[filmscanners] Re: 2 vuescan questions

["" <HMSDOC@aol.com>]

I have found the same..what I tend to do is to take the 16 bit scan into PS
and use levels on it to push the sliders in to near the black and white points
but leaving room on both sides to get it 'closer' and then converting to 8 bit
and then using adjustment layers from there on to get things just right.

Howard

<<  Some people in the recent discussion on 8 vs. 16 bits have mentioned the
 histograms in vuescan. In my experience, the preview histogram is not very
 useful for what I would have thought was a primary use: setting the
 whitepoint and blackpoint. For example, if I adjust these points so that the
 histogram stretches almost all the way across the graph, I find that the
 scan image has black in it, as indicated by turning on the switches to show
 black and white areas. In short, the preview histogram looks right, but the
 scan doesn't; and I haven't found empirically a way of reliably fudging the
 blackpoint adjustment. The default blackpoint is zero, I believe (I'm not at
 the machine that has Vuescan); but using it seems to leave a lot of "space"
 on the left, at least according to the histogram. This occurs on slides that
 are properly exposed, both visually and according to the histogram (i.e., no
 unintended areas of black or blown-out highlights. Am I doing something
 wrong? Should I just go with the defaults? >>

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