Digital BW, The Print

I think I read in Cone's newsletter that piezotone inks and regular
piezo ink are NOT compatible.

Jerry

sherer_stan wrote:
> 
> I am very interested in trying the piezotone black along with the MIS
> FS inks. Please post your results if you do try this.
> My two concerns are:
> 1. Will the Cone profiles still be accurate?
> 2. Stability. Jon Cone warns about mixing ink bases. Does anyone know
> if the Piezotone and MIS ink bases are compatible?
> 
> I'm more concerned about issue #1.
> 
> Thanks,
> Stan
> 
> --- In DigitalBlackandWhiteThePrint@y..., "Martin Wesley"
> <mwesley250@e...> wrote:
> > Robert,
> >
> > I do agree with your assessment but the prospect of using the new
> PiezoTone
> > black with the current MIS sets is still appealing. Since we would be
> > pushing the Dmax up from 1.7 to 1.9 we should still see some improvement
> > even if we have to give some density back in order to keep things
> linear.
> >
> > The other issue is that we are reaching a level where it becomes
> harder and
> > harder for the human eye to distinguish differences in tone. I find the
> > visible difference between 1.8 and 1.9 to be pretty small myself but
> I can
> > clearly see the difference between 1.7 and 1.9. At the white end of the
> > scale the difference between 0.08 and 0.06 is quite noticeable.
> >
> > Martin
> >
> 
> > http://www.borderless-photos.de/guests.html
> >
> >
> >
> > ----- Original Message -----
> > From: "Robert Morrison" <rmorrison@p...>
> > To: <DigitalBlackandWhiteThePrint@y...>
> > Sent: Sunday, June 09, 2002 11:52 AM
> > Subject: Re: [Digital BW] PiezoTone with Epson Driver Dmax
> >
> >
> > > Very interesting Martin, however I would be surprised if you can
> maintain
> > > the dmax when you linearize the 80-100% section of the curve.
> Invariably
> > > any adjustment up in this region seems to bring dmax down.  I've been
> > > working with an experimental 3rd party rip.  I'm capable of
> getting 1.88
> > > with the Piezotones and photorag...but when I linearize the shadow
> region
> > > the dmax comes down to 1.84.  Remember Jon's focus with the piezo
> driver
> > is
> > > to have a driver that can really show off shadow detail...I've studied
> > many
> > > of his profiles and this is almost always the characteristic.  From my
> > > experience this will always limit dmax somewhat...but it give you
> room to
> > > show off the 90-100% shadow detail...its a tradeoff in my experience.
> > >
> > > Robert
> > >
> > >
> > > On 6/7/02 10:06 PM, "Martin Wesley" <mwesley250@e...> wrote:
> > >
> > > > With the original Piezo inks I and others have noted that the Epson
> > driver
> > > > with the same ink produces a deeper black than the Piezo drive. I
> > rechecked
> > > > this with the new Piezo tone inks. I printed a 1" 100% black
> square on
> > the
> > > > same piece of Photo Rag paper. First with the Piezo driver and
> then with
> > the
> > > > MIS-VM workflow and a RGB separation curve through the Epson Driver.
> > After
> > > > letting the printout sit for a couple of days (it does dry down
> by the
> > way) I
> > > > got the following measurements checking all four corners and the
> center
> > of
> > > > each square:
> > > >
> > > > Piezo driver: 1.80 to 1.82
> > > > Epson driver: 1.89 to 1.91
> > > >
> > > > To see if there was still low end separation with Epson driver I
> printed
> > out a
> > > > step wedge that includes 95% through 100% patches once again
> using the
> > MIS-VM
> > > > workflow. These lower tones gave the following readings:
> > > >
> > > > 100% - 1.89 - 190
> > > > 99% - 1.87 - 1.88
> > > > 98% - 1.85 - 1.86
> > > > 97% - 1.80
> > > > 96% - 1.78
> > > > 95% - 1.72
> > > >
> > > > This is not perfectly linear but the workflow used is not
> matched to the
> > inks.
> > > >
> > > > A Dmax of 1.9 is really quite amazing for a matte paper and
> brings the
> > matte
> > > > inkjet prints very close to silver print range.
> > > >
> > > > It will be interesting to see if the PiezoTone black ink can be
> used to
> > > > replace the standard black in the MIS-VM and MIS-FS sets. The
> black in
> > the
> > > > MIS-VM set has a Dmax of 1.7 to give you the comparison.
> > > >
> > > > Martin Wesley
> > > > http://www.borderless-photos.de/guests.html
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > [Non-text portions of this message have been removed]
> > > >
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