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Re: filmscanners: RE: filmscanners: RE: filmscanners: My 8000does NOT ba nd using Vuescan!





Winsor Crosby wrote:
>
> >
>  From the Polaroid page for the SS120: <Single Pass RGB, 30K Pixel CCD
> (10,000 X 3 = 30,000)>
> 
> Since the banding problem has not turned up with the Polaroid
> implementation I don't think that the three row CCD idea is something
> that does not work in practice. It may or may not depending on how it
> is implemented.
>

This may be two different systems at work.  The Nikon uses a CCD with no
color filters on it, changing the color via the changes in light source
color. Therefore, I believe Nikon scans three lines of info of one color
at a time (in the three line mode).  However, the Polaroid uses a CCD
with colored filters on each line, (R, G and B), so it only scans one
line per color, and each sensor line is individually calibrated, in
effect making those 30,000 calibrations. 

Art





 




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