[filmscanners] RE: 8 bit versus 16

["Nagaraj, Ramesh" <Ramesh.Nagaraj@ca.com>]

>Preston wrote

>When Photoshop converts from 16-bit to 8-bit it applies very fine noise
>to try to control subsequent problems. Most scanners don't. I would have
>expected this to make a difference but not to the point that the scanner
>8-bit file would completely suck and the Photoshop 8-bit file would be
>just as good as the 16- bit version. I don't know whether this is all a
>function of Photoshop's superior algorithm or whether the scanner is
>doing something bad. Furthermore, I don't care. One way or another, the
>8-bit scanner file is bad and the 8-bit Photoshop file is good."

This is an interesting point. I too think Adobe may do better job of converting 
to 8bit than Vuescan. I will follow it.

Thanks
Ramesh



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