Digital BW, The Print

Barry,

You wrote:

>Are you suggesting that the errors in Jon Cones results might be
>deliberately biased towards his inks?

No, I think there could have been an innocent mistake.  I'll send a copy of
my posting directly to Cone.  Hopefully the issue will be clarified quickly.

Paul
http://www.PaulRoark.com
_______________________________________________

--- In DigitalBlackandWhiteThePrint@y..., "Paul Roark"
<paul.roark@v...> wrote:
> Robert,
>
> You wrote:
>
> >Finally a manufacturer published actual test results.
>
> It is good to see some data.  I've always liked the fact that MIS
published
> its RIT test results for the MIS Archival inks.
>
> It looks like there may be an error in the MIS FS delta E
calculation in the
> fade results Cone Editions released.  The FS K faded less than the
Portfolio
> black, yet is listed as having a higher delta e.
>
> I'm also not sure about note 3 on the "Test Condition."  It says,
> "Lightfastness: Irradiation UV (Xe) 10,000 Kj/m2/200 hours."
>
> If the lamp was strong UV, then I wonder if the results correlate
well with
> actual lighting.  Most of us are oriented to indoor display, where
the UV
> from fluorescent lights or window-filtered (thus no deep UV) light
is the
> main problem.  Unlike the outdoor signage market, I don't think we
have that
> much of a UV problem with our prints.
>
> I'm a little surprised that the carbon sepia did not do better.  I
would
> have thought that an ink that was supposed to be pure carbon would
fade less
> than inks that have some color pigments in them to get the tones
that are
> popular.
>
> I'll run my own tests as samples are provided.
>
> Paul
> http://www.PaulRoark.com
> ______________________________________
>
> From: piezography3000@y...
> Reply-To: piezography3000@y...
> Date: 7 Nov 2002 03:12:17 -0000
> To: piezography3000@y...
> Subject: [piezoBW] New file uploaded to piezography3000
>
>
> Hello,
>
> This email message is a notification to let you know that
> a file has been uploaded to the Files area of the piezography3000
> group.
>
>   File        : /400 Hour Xenon tests/preliminary-xenon.pdf
>   Uploaded by : piezobw <piezobw@c...>
>   Description : 400 hours on EPSON EAM
>
> You can access this file at the URL
>
> http://groups.yahoo.com/group/piezography3000/files/
> 400%20Hour%20Xenon%20tests/preliminary-xenon.pdf
>
> [cut and paste the last part of the URL]