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Digital BW, The Print

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Re: [Digital BW] Re: Densitometer specs

2003-03-28 by Ernst Dinkla

> Actually, I first realized that I had a problem with the
spectrocam when I
> was coating matte prints.  The spectrocam was topping out at a
dmax of 2
> when my coated prints were actually hitting upwards of 2.4.  I
then went
> back and checked calibration and realized that anywhere above
1.6 with black
> the spectrocam was in accurate.  The further from 1.6 the worse
the problem.
> Photorag with any of the common BW inks is already a problem.
As Antonis
> mentioned, the spectrocam will be inadequate for any glossy or
semi-gloss
> print with photo black...they all hit above 2.0...and the
accuracy of your
> shadow detail will be what suffers.  This will be a serious
problem if you
> get into using the linearization function of ink jet control.
>
> Robert

> > 1.7 is conservative as a high end, even for pigmented inks.
With the new
> > Ultrachromes and UltraTones capable of printing on glossy or
RC-type
> > papers, we are soon going to see uncoated, pigmented prints
that will exceed
> > 2.0.
> >
> >
> > Antonis

Antonis, Robert, thank you. It is good to know this.

Ernst

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