DTP41UV, Density & Photoshop Values
DTP41UV, Density & Photoshop Values
- Subject: DTP41UV, Density & Photoshop Values
- From: Bobhead <email@hidden>
- Date: Thu, 11 Dec 2003 16:09:48 -0800
In addition to being a graphic designer/sign maker; I am also an amateur
photographer. In particular, I work with non-silver photography and
these days negatives are commonly made on inkjet printers/imagesetters
for contact printing and they work well. I am trying to "linearize" my
workflow/tonal scale in as much is possible with handcoated non-silver
photography.
So far I have a designed/created a 16-step tablet negative made that I
expose to the d-max of the given process/paper, develop, dry and then
proceed to measure its density. Here's where I am stuck. I have a
DTP41/UV that I have successfully scanned and received data from (via
Toolcrib, designed to X-Rite's specs), but I am unclear on what the data
means.
I chose "Density" & "Status T" as my options and I get data like: "1.02,
1.25, 1.44 .63" Is the last number the one I am looking for? What would
be the appropriate Toolcrib settings for an application like this and
how do I know what the hell the data means? In looking through the
archives/X-Rite I was thinking 'Visual" Density is what I would need,
but there is no setting for it in Toolcrib, and there is such little
documentation I can find on the internet for this subject generally
(X-rite website seems the best).
2nd problem: My intention with the density data is to use that to create
a compensation curve to apply to my negatives in photoshop, prior to
printing (this is for desktop inkjet negatives). Is there an established
way to convert density to photoshop values? In addition, I assume I need
to subtract the paper density from all measurements, is this correct?
Thanks for the time.
-Joe
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