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RE: filmscanners: Re: Nikonscan v VueScan
Jawed writes ...
> ...
> Then, press the grey dropper, and click on a "desired
> mid-grey" portion of the image, and see how the midpoint
> of the R, G and B channels changes. That's the second
> step: gamma.
> ...
The gray eyedropper may be adjusting gamma for individual channels, but
that's not what the gray eyedropper is for. For example, ... create a gray
wedge, and clik anywhere on it with the gray eyedropper ... do you see any
change in gamma? The gray eyedropper is a "neutrality" tool, and gamma
adjustments do encompass all channels equally effective. That is simply
practice in accordance with definition ... of course, anything goes in
practice.
shAf :o)
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