I'm not Moose and I don't know the answer but I can speculate that an
RGB scan with conversion in PhotoShop might be better. My reasoning is
that the scanner itself is an RGB device so the scan is happening in RGB
to begin with. Either scanner firmware or scanner software is
controlling the conversion to gray scale. It might very well be that
the individual color channels have more or less sensitivity to the light
produced by the scanner and the manner in which they are combined might
make a difference.
If I had a scanner setup at the moment I'd try it but I don't. Also,
the results could well vary by scanner and control software. Perhaps
Ken will be along soon to explain his reasoning.
Chuck Norcutt
On 6/20/2012 5:34 PM, Joel Wilcox wrote:
>> You are conflating bit depth with color. There is exactly the same reason
>> to work in 16 bit in B&W as in color.
> OK, I have no problem with that. I can select RGB or Grayscale and work
> in 16bit with either. Ken suggested scanning in RGB and then converting
> the scan to grayscale in PS. That seems to me to add an unnecessary
> step. What do you think?
>
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