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Re: filmscanners: My replacement 8000 is banding like the first one :-(

In a message dated 7/21/2001 12:29:30 PM EST, darkroom@ix.netcom.com writes:

> > Using a microswitch or an optical sensor to detect the
>  > zero position is less accurate than the resolution of
>  > most scanners, which makes multi-pass multi-scanning
>  > impractical with these scanners.
>  I disagree.  They don't have to re-home for each pass.  Once home as
>  ascertained, and then the starting place of the scan is known, the stepper
>  can reposition it self back there ad-infinitum.

I agree that this would work fine (this appears to be how Nikon does it).

My point was that many scanners do it wrong, probably because they
aren't designed for multi-pass multi-scanning.  This makes sense,
because if a company were designing for multi-scanning, they'd do
the simple firmware modifications needed to do single-pass

Ed Hamrick


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