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Scanning multiple times (was Re: filmscanners: Vuescan gripes)

I seem to be missing something.  I have an Acer Scanwit 2740S, which
requires multiple passes to do a multiple scan.  I thought that this
was the right thing to do to get lower noise when scanning at 16x. so
as to be able to average the input from successive reads. And, I
thought this would help in extracting info from seriously underexposed
negatives.   Am I all wet on this?

On Fri, 20 Jul 2001 11:42:23 EDT, you wrote:

>You should _never_ need to do the 16x scan pass more than
>once.  The preview is done in one pass (at low resolution), and
>will be used to compute the optimal CCD exposure and cropping.
>All other things can be re-done by pressing the "Scan mem."
>button, making it unnecessary to _ever_ scan the same piece
>of film twice.  If you're a belt-and-suspenders person, make
>sure the raw scan file is written to disk as well by using
>the "Files|Output raw file" option.
>Ed Hamrick

Matt Prastein


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