< snip >
> Why would you want to use a sample point for the gray point in the
> Levels tool? Just click on the "Pick gray point" eyedropper in the
> Levels tools and then click on the spot in the image that you want to
> select as the gray point. This will do what Norman described, just
> completely automatically. You may want to adjust the Sample options in
> the Levels tool options though. Choosing a larger sample radius often
> helps to get better results.
I think the difficulty is how to decide where the mid-grey point is.
Once decided upon then action is easy.
Please, leave Sample points where it is, I find it useful from time to
time when restoring old photographs.
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