Digital BW, The Print

I agree. Don't do the conversion with the scanner as it's software is
poor compared to the ways in which PhotoShop can convert. Scan in full
colour and import into PS first.
 Jules


--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "outdoornm"
<outdoornm@...> wrote:
>
> Dale,
> 
> I cannot speak to scanners specifically, but Photoshop converts to
grayscale directly in the 
> red channel.  ie,    Image>Mode>grayscale  (100% red, 0% green, 0% blue)
> 
> There are other ways to grayscale, using various values of red,
green or blue, but I would 
> suspect that scanners use the same 100% red channel method.
> 
> Lincoln
> 
> 
> - In DigitalBlackandWhiteThePrint@yahoogroups.com, "dale40203"
<dhoff@> wrote:
> >
> > How does an RGB scanner determine Greyscale equivalents? Is there
a formula it applies 
> to 
> > the three components? If so, would the color "fringing" I see on
some RGB scans 
> contribute to 
> > a softening of Greyscale scans? 
> > 
> > The only way I can see to avoid this is for only one of the RGB
components to be used, 
> and I 
> > know that would not be an accurate representation of RGB
translated into GS.
> > 
> > Thanks,
> > Dale Hoffman
> >
>