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RE: filmscanners: analog gain

Guy wrote:
>Any chance of changing this?  It would be great if we could play with the
>exposure in preview mode without actually doing the scan.  I imagine that
>this would speed up my attempting to optimize the exposure on some of my
>hard to scan underexposed slides.

If you change the brightness, the best thing to do is rerun the preview
scan.  It's not horribly slow.  Otherwise you're not seeing the result of
the longer integration time.  I imagine Ed could code Vuescan to estimate
the change produced by the brightness control, but people would probably
complain that it wasn't accurate. Changing the brightness (equivalent to
analog gain) and redoing the preview scan is really the only way to be sure.


Rob Geraghty harper@wordweb.com


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