Digital BW, The Print

on 8/10/01 10:25 PM, Dan Culbertson wrote:

> 
>> What do I need to know about choosing a grayscale working space. I've tried
>> gamma 2.2, dot gain 20%, and no color management. Frankly I do know what the
>> heck I'm doing here.
>> 
>> FWIW, I ultimately convert the file to Adobe RGB in order to use Roark's
>> Variable-Tone method, but I keep an archive of the files in grayscale too.
>> 
>> Suggestions?
>> 
>> Todd
> 
> Since you will be converting to a 2.2 gamma RGB working space it would be
> good idea to use a 2.2 gamma grayscale space.  A 20% dot gain working space
> is just another way of assigning a source profile (curve) to the file.  The
> 2.2 gamma is better unless you are creating images for a standard printing
> press.  Once you convert to Adobe RGB your initial grayscale profile is no
> longer important.  The Adobe RGB profile is now assigned to the file and is
> used as the basis for the monitor representation and the conversion to a
> printer profile on the way to print.  If you have a good RGB profile for the
> printer you can use it in the RGB preview option in Photoshop 6 to see how
> the image will actually look when it prints.  But that can't be a canned
> Epson RGB profile -- they are non-standard and do not work correctly in
> Photoshop.
> 

Thanks Dan,

So the files that are untagged get Grayscale Gamma 2.2 *assigned* to them,
and the ones that are presently tagged as Dot Gain 20% get *converted* to
Grayscale Gamma 2.2?

Todd