Re: EIZO ColorNavigator and G7 validation
Re: EIZO ColorNavigator and G7 validation
- Subject: Re: EIZO ColorNavigator and G7 validation
- From: Todd Shirley <email@hidden>
- Date: Tue, 10 Feb 2009 14:06:19 -0500
Just a further note on verifying monitors to GRACoL2006...
In my shop we have about 15 Eizo CG10s and 5 CG11s. I've just tried
the ColorNavigator GRACoL2006 verification routine on 2 of each model,
with nearly identical results. If I calibrate and profile the monitor
to D50, L*, 140 cd/m2, I get a max dE76 of around 15 and and avg. of
around 5. This happened on all 4 monitors, so I guess that is just the
gamut of these devices. The worst patch is either 100C or the 100c,
100y overprint, both right around 15. If I switch to dE2000, indeed
the max is right around 6.7-6.9 with an avg. of 3, so I guess these
monitors do "certify" if the tolerance is dE2000<7.
If I change the white point to D65 (or 5500), that de76 max goes up to
around 20, so clearly D50 matters. Unlike Dan Reid, I found that
switching the measurement device's compensation table to "none" in the
ColorNavigator preferences had no effect on these numbers. I also
tried switching between my DTP94 and eye1, and that didn't change the
numbers either.
When I visually compare the gamuts in Colorthink, there is of course a
huge cyan/green wedge of GRACoL sticking out of the monitor gamut.
Does anyone find this disparity to be problematic in your workflow? Do
wide-gamut monitors really help people get better & faster results in
color matching? Has anyone tried to use soft-proofing and then been
"surprised" at how the cyans and greens hard-proofed or printed?
Just curios!
-Todd Shirley
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