Digital BW, The Print

In a message dated 6/7/07 6:20:33 PM, michele@... writes:


> Here you go the best I achieved trying tuning the varios settings in
> PFP (pushed greens to +3):
> 
> L    a    b
> 97.49    1.56    -0.47
> 93.81    1.3    -0.01
> 90.24    1.4    -0.4
> 86.58    1.38    0.39
> 82.88    1.31    -0.29
> 79.4    1.12    -0.52
> 75.73    0.27    -0.62
> 71.43    1.09    -0.49
> 67.53    1.1    -0.1
> 63.86    0.63    0.03
> 59.51    0.71    0.7
> 54.54    1.01    0.38
> 49.58    0.53    -0.01
> 44.29    0.09    0.36
> 39.37    0.24    0.3
> 34.02    0.08    1.11
> 27.66    -0.49    1.61
> 20.79    -0.56    1.5
> 14.44    -0.64    1.28
> 8.13    -0.5    0.84
> 7.26    0.3    1.83
> 
> 
> 

What you were seeing last post was the gray ramp following paper white down 
very evenly (consistant addition of the paper white color element all the way 
down the gray ramp); thats what some users would want. Asking it to make grays 
that don't include the paper component as they move farther from white, as 
you've done here, creates a very even ramp from paper white down to neutral near 
black, with the paper white tint dropping off slowly. This is what other users 
might want. Still other users would want it neutral from the top, but that 
would require using neutral paper... <G>

Every time I make recommendations that add to the d-max of users prints, they 
want even more. I'd suggest using a different paper for two reasons then; to 
get rid of the paper tone, and to find one with a bit more d-max, though I'm 
sure you would then want a bit more d-max on that paper as well. <G>

C. David Tobie
Product Technology Manager
ColorVision Business Division
DataColor Inc.
CDTobie@colorvision.com
www.colorvision.com



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