Digital BW, The Print

Yup,

I have the refernce prints sitting in a drawer.

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Walt Mucha" 
<wkm@k...> wrote:
>
> Shilesh,
> 
> If you have a reference print to compare it to, after 4 weeks you 
probably won't need an I1. If you do then that's a good sign. 
> 
> Walt 
> 
> 
> -----Original Message-----
> From: Shilesh Jani [mailto:shileshjani@b...]
> Sent: Sunday, January 22, 2006 03:05 PM
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: Re: [Digital BW] Nanochrome blue
> 
> Walt,
> 
> I have pure color (K, C, LC, M, LM, and Y) at 25%, 50%, 75%, and 
100%
> coverage using QTR on my south facing window in Memphis, TN now 
for 2 
> weeks. Comparisions are NanoChrome, R220 dye, and 4000 UC on EEM, 
> EPG, EPSG, and one Hahnemuhle paper.
> 
> I am giving it 4 weeks before I take a peek with an I1.
> 
> Shilesh
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Walt Mucha" 
> <wkm@k...> wrote:
> >
> > Hi Carl
> > 
> > What you're seeing is not metamerism. The light temperature of 
> halogens and incandescent are a considerably warmer color 
temperature 
> than daylight and that in effect will neutralise a cool tone 
print. 
> Put it under plain flouresent light and you'll probably see a 
> green/cyan cast. As to Dmax. If these inks last longer than dyes 
then 
> that's good, if not, it's not all that spectacular. Still waiting 
for 
> someone to put a color print in their window. I might have to 
spring 
> for some of these inks myself just to satisfy my morbid 
curiosity ;-)
> > 
> > Regards, Walt
> > 
> > 
> > -----Original Message-----
> > From: Carl Schofield [mailto:scho@m...]
> > Sent: Sunday, January 22, 2006 09:36 AM
> > To: DigitalBlackandWhiteThePrint@yahoogroups.com
> > Subject: [Digital BW] Nanochrome blue
> > 
> > Today I made some visual comparisons of prints I've made over 
the  
> > past few days using Nanochrome black ink in an Epson 4000 and  
> > printing BO mode, mostly on Hahnemuhle Photo Rag 308 and 
> Hahnemuhle  
> > Photo Rag Satin.  In daylight the prints have a cold blue/black  
> > appearance, slightly cooler with the satin compared to regular 
> photo  
> > rag.  Under halogens or normal incandescent lighting the prints 
on  
> > both papers appear dead neutral.  So this cold blue color we 
have  
> > been discussing with regard to the Nanochrome black inks (K and 
> LK)  
> > appears to be a metameric phenomenon.  This NOT the ugly 
> metamerism  
> > we have seen before with other inks that changes on the 
> magenta/green  
> > axis, but rather a cool/neutral shift.  Seems like the black 
inks 
> may  
> > have been designed for neutrality under incandescent or halogen  
> > lighting.  Dmax is just terrific on these matte papers (1.9-2.0).
> >
> 
> 
> 
> 
> 
> 
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