Digital BW, The Print

On May 14, 2009, at 10:53 PM, Greg wrote:

> Since I've been kind of out of the loop for a while, thought I  
> better ask and see if anyone knows of any new and better spectro's  
> out there. I have an issue where I can not accurately measure an ink  
> because it is more dense than the current stuff will measure with  
> any degree of accuracy. This is less than a LAB L of 1, getting  
> measurements of anywhere between .22L to .37L which all goes to  
> somewhere around a density of 3.0D. Since all my tools only produce  
> enough light to measure 2.5D (so say the specs), I know this can not  
> be entirely correct. Checked it with two different spectros, didn't  
> feel like dragging out the other two for more checking. All this  
> measured with the "black" backgound on my Spectroscan or on the  
> white board for my Pulse. Surprising that even on the white board  
> this stuff is pretty much a black hole.
>
> Anyone have a lab grade spectro that can measure this dark and would  
> be willing to measure a few patches?

You are asking either the impossible, or the very expensive, depending  
on just what degree of improvement you are looking for.

C. David Tobie
Global Product Technology Manager
Digital Imaging & Home Theater
CDTobie@...


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Datacolor
www.datacolor.com/Spyder3



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