Re: Epson Enhanced Matte
Re: Epson Enhanced Matte
- Subject: Re: Epson Enhanced Matte
- From: Refik Telhan via colorsync-users <email@hidden>
- Date: Wed, 19 Jun 2019 17:04:35 +0300
- Thread-topic: Epson Enhanced Matte
Hi Roger,
https://www.felix-schoeller.com/en_en/business-unit/photographic-digital-printing-papers/products/per-product-series/trust.html
Above is the link to Felix Schoeller's FOGRA52-complaint proofing substrates
that have been certified by FOGRA. They all appear on the certified proofing
substrate database of FOGRA.
https://www.fogra.org/plugin.php?Firma_105=schoeller&Substrat_106=&Papiertyp_107=&OBAKlasse_320=&OBAClass_445=&mvcform_tag_gueltig_263=19&mvcform_monat_gueltig_263=06&mvcform_jahr_gueltig_263=2019&search_mv=fogra52&mv_submit=Find&mv_submit=Find&mv_id=11&extern_meta=x&menuid=143&onemv=11&template=mv/templates/mv_search_front_onemv.html
6 papers are listed, namely TRUST P22150, P22170, P22200, P22230, P51910 and
P51210, but actually they are two papers at different weights, one at 4 and the
other at 2. P22XXXs are the same paper at 150,170, 200 and gsm and P51XXXs are
the same paper at 195 and 245 gsm.
They all have a b*(M1) value of -10.
Best,
Refik Telhan
Light and Color Management Consultancy
------------------
On 18.06.2019 23:58, "colorsync-users on behalf of Roger Breton via
colorsync-users" <colorsync-users-bounces+rtelhan=email@hidden on
behalf of email@hidden> wrote:
I would like to find an obnoxiously strong optically brightened inkjet
paper to conduct color separations experiments using M1 colorimetry, on an
Epson printer. Last time, I used Epson Doubleweight Matte paper for this
purpose which was around :
CIE b* = - 9.00 to -10.00, give or take. (Lost the measurement files…)
I was up on Epson web site, earlier, looking for “specs” for that very
paper but could not find anything “useful”, to give me some indication of the
degree of optical brightening ☹. I eventually landed on this page :
https://epson.com/For-Work/Paper/Presentation/Doubleweight-Matte-Paper/m/S041385
Sadly (big sigh!), Epson does not offer any “numbers” on their web site for
their papers, not that I’ve seen, other than, possibly, “ISO Brightness”. I
don’t suppose one could go from “ISO Brightness = 84%” to anything remotely
useful for colorimetry?
Epson “Enhanced Matte Paper”, on the other hand :
https://epson.com/For-Work/Paper/Presentation/Enhanced-Matte-Paper/m/S041725
seems to suggest higher OB content than Doubleweight Matte, with ISO Brightness
= 104%? Still, no mention of measured substrate (unprinted media) color….
A quick trip down the C:\Windows\...\color directory on my Dell computer
turns out the following Epson ICC profile (installed by the driver for the
Epson SureColor P5000 printer):
SC-P5000_Series_LLK EnhancedMattePaper_PK.icc
According to this ICC profile (ICC Profile Inspector.exe), White Point is :
CIE XYZ = 88.13 91.68 75.38 or
CIE Lab = 96.69 -0.47 0.21
Seems dubious, at best? CIE b* should be way more “negative” than this?
Hate to ask but would anyone have “real” CIE Lab measurements (farbmessung)
for this paper? Thanks for your patience and help.
Best / Roger
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