Digital BW, The Print

In a message dated 12/24/06 5:40:32 PM, kolwicz@... writes:


> I have borrowed a Macbeth TR524 CMYK densitometer, but I'm having
> trouble trying to understand the values it reports in terms of color
> shown in Photoshop. I'm trying to quantify the near-neutral values of
> my inksets on Kayenta, but the density numbers that the 524 puts out
> don't look anything like the various Color Picker numbers, for
> example, my paper white reads as: C= -4.63, M= -4.79, Y = -4.54 and K=
> -4.71. How can I use those values to plug something into the Color
> Picker that makes sense?
> 

There is no relationship between density values and CMYK color values. 
Densitometers don't read color, then just read log density. CMYK values are not 
density related, and are color based. You are trying to cut down a tree with a 
sparkplug wrench.

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


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