All
My original experience was that I could get only a
DMax of 1.41 on Photo Rag 308 using the curves
supplied with QTR.
I then went to the curve creation tool and simply
bumped the total ink limit from 75 to 80. If I
understand correctly, all seven inks are equally
affected by this control.
I now have a dmax of 1.62 with PR 308 and the richness
of the deep blacks are much enhanced and the overall
tonality is still great. Is there any problem you know
of with what I have done? If so, any other ideas of
how to get better dmax without simply lifting the
overall ink limit?
Thanks for any help
Woody Spedden
--- john dean <deanwork2003@...> wrote:
---------------------------------
I've been thinking over these same issues. Carl I have
always liked
the damx of Carbon Sepia with the museum black from a
good scan. Would
you say there is a noticeable difference between the
earlier inksets
and K7 in the black content? Shouldn't a good
linearization take care
of that. Your set up sounds ideal and makes we wonder
if I should have
a 7600 just to do what you are doing with the warm and
neutral.
Also from past experience, I belive the max black
position contributes
to the final color tone of the entire set doesn't it?
If you put
Ebony in there aren't you going to destroy the
neutrality this set
represents in the first place and push it toward
cooler tones?
What I would like to do is put Ebony in with the Lyson
Cave Paint
color pig inkset in my 10K next week when I set that
up. Lyson has
offered to create a matte black for some of us who
insist upon it in
order to use that set but it isn't a known quantity
like Ebony is. Any
of these combinations have to be linearized to work
right.
John
--- In DigitalBlackandWhiteThePrint@yahoogroups.com,
Carl Schofield
<scho@m...> wrote:
>
> The k7 black does not have an outstanding dmax, but
I don't find that
> it detracts from image quality. Some values I've
measured with the
> 4000 are: Hahnemuhle Photo Rag Bright White 1.63,
Hahnemuhle White
> Velvet 1.61, and Hahnemuhle Photo Rag 1.63. No
reason you can't use
> Portfolio K or any other black ink. Currently, I'm
using the k7
> black as a "shared" black ink for the neutral and
carbon sepia quads
> in my 4000. However, I have an unused slot (PK)
that I could (and
> probably will) use for a second black ink.
>
> Carl
>
> On Oct 7, 2005, at 6:37 AM, Ben Ong wrote:
>
> > Re: Piezography Neutral K7 printing
> >
> > Hello Carl,
> >
> > thanks for the response. So you are using the K7's
Black in your
> > set up; are
> > you happy with the Dmax you are achieving? I'm
getting the claimed
> > 1.62 Dmax
> > by Cone with K7 on Photorag, but also achieve 1.7
to 1.74 on
> > Photorag with
> > Piezotone Selenium + Portfolio Black + StudioPrint
11. There is a very
> > noticeable difference to the eye in these two
measurements to me,
> > but seems
> > like people are generally happy with the product
out there???
> >
> > I am being a bit hard on the product I guess. I
shoot 35mm so I'm
> > probably
> > not the right candidate to notice a significant
increase in
> > smoothness or
> > subtle tonal range increases.
> >
> > Still I think it would have been nice to at least
offer a Portfolio
> > Black
> > option to those who want it. They did with
Piezotones so why not
> > with NK7???
> >
> > Thanks again. Benny.
> >
> >
> > Date: Thu, 6 Oct 2005 10:38:00 -0400
> > From: Carl Schofield <scho@m...>
> > Subject: Re: Digest Number 3456
> >
> > I also think that 7 grays are probably not
necessary for most
> > applications and any smoothness gains would be
hard to detect on fine
> > art papers. I'm using 4 of the neutral k7 grays
(including the
> > black) and the carbon sepia inks in a dual quad
setup on my 4000,
> > driven by QTR. I'm very pleased with the prints
from both inksets.
>
>
>
> [Non-text portions of this message have been
removed]
>
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