Digital BW, The Print

This is precisely why I respect that Jon Cone used a Selenium toned print
from his mentor and master printer.  He respected Gassen's skill, judgement
and technique to the point to develop an ink based on the tones in a Gassen
print.  I think that is great.

Regards,

Steadman
  -----Original Message-----
  From: Jerry Olson [mailto:jerryolson@...]
  Sent: Wednesday, July 17, 2002 8:21 PM
  To: DigitalBlackandWhiteThePrint@yahoogroups.com
  Subject: Re: [Digital BW] Selenium beta


  The tone of a silver print in selenium toner is very dependent on both
  the dilution and the length of time toned. You could get 50 different
  tones from selenium toner. Also it is hugely dependent on the brand of
  paper you are toning.  So what is the color of a selenium toned print?
  It really varies...


  Jerry

  Paul Roark wrote:
  >
  > Robert Morrison wrote, in part:
  >
  > >... On EAM I would say that my general
  > >impression is that FS-N looks blue and Selenium
  > >Piezotones look ever so slightly eggplant.
  >
  > There appears to be a substantial variance in the tones that are
achieved by
  > toning silver prints with selenium -- the paper, strength of toner and
time
  > in toner being the primary variables.  In recent years I have (or had)
been
  > using Kodak Polymax Fine Art paper and toning in selenium 1:19 for 3
  > minutes.  This light toning was the usual practice, as far as I could
tell,
  > for those who wanted better archival properties, a slight increase in
Dmax,
  > and not a severe color change.  (Heavy selenium toning often results is
a
  > rather magenta print.)
  >
  > Using the X-Rite spectrophotometer to read a sample of a silver print
that
  > was toned in selenium per this normal procedure, I get the following:
  >
  > Dark black (not Dmax):   c=1.70, m=1.71, y=1.66, v (visual)=1.71
  >
  > Shadow tone (about 75%): c=0.99, m=1.00, y=0.99, v=1.00
  >
  > Midtone (about 50%):     c=0.59, m=0.60, y=0.59, v=0.60
  >
  > Light tone (about 25%):  c=0.33, m=0.33, y=0.32, v=0.30
  >
  > So, basically, the light tones are slightly cool, the midtones are
neutral
  > with a slight magenta cast (the slight "eggplant" tone, I would assume),
and
  > the deep shadows/near black tones are cool.
  >
  > It would be interesting to see how the new PiezoTone selenium values
look in
  > comparison to these.
  >
  > For comparison, an FS-N test strip on EAM, with the Piezo driver gives:
  >
  > 100% black: c=1.59, m=1.60, y=1.61, v=1.59
  >
  > 75%:        c=1.00, m=1.00, y=0.98, v=1.00
  >
  > 50%:        c=0.66, m=0.65, y=0.63, v=0.66
  >
  > 25%:        c=0.32, m=0.32, y=0.31, v=0.32
  >
  > Paul
  > http://www.PaulRoark.com
  >
  >
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