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Re: filmscanners: analog gain
----- Original Message -----
From: "Rob Geraghty" <harper@wordweb.com>
To: <filmscanners@halftone.co.uk>
Sent: Tuesday, March 13, 2001 3:08 PM
Subject: 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.
i think you misunderstood. vuescan does not show the RGB analog gain in the
preview *>scan<*. what guy was saying is that he has to check the full scan
to see the effects of analog gain. i concur with guy, it would be great to
see the effect in the preview scan.
~j
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