Digital BW, The Print

The program may require you to conver the grayscale to RGB before it
can be used. After noise removal, simpy re-convert to grayscale or
leave it as is, B+W in RGB. I am not familiar with Grain surgery, but
several  other programs assume a color scan and require this .Hope
this helps

                    Stuart

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Steve Bell"
<steve@l...> wrote:
> I've some older FP4 35mm negs that I used expose at 200 asa and
develop in Acutol, 
> they are pin sharp but much more grainy than the film/developer I
use now. I tried to 
> reduce the visible grain in a scan by applying the Grain Surgery
plugin with Photoshop 
> on a freinds Mac, but it was greyed out and wouldn't run. It would
run on colour 
> scans. Is this typical, does this type of software only work on
colour or C41 process 
> B&W?
> 
> Steve Bell