Re[2]: Eizo CG241W vs. NEC 2690 SpectraView
Re[2]: Eizo CG241W vs. NEC 2690 SpectraView
- Subject: Re[2]: Eizo CG241W vs. NEC 2690 SpectraView
- From: Peter Karp <email@hidden>
- Date: Wed, 28 Nov 2007 10:48:07 +0100
Dear Chris,
Andrew wrote about your seminar with Karl Lang. I'm very curious to
hear about your real world experience with the wide gamut NEC LED and
2690 displays.
About two years ago Karl Lang wrote:
> 1) A wide gamut LCD display is not a good thing for most (95%) of
> high end users. The data that leaves your graphic card and travels
> over the DVI cable is 8 bit per component. You can't change this. The
> OS, ICC CMMs, the graphic card, the DVI spec, and Photoshop will all
> have to be upgraded before this will change and that's going to take
> a while. What does this mean to you? It means that when you send RGB
> data to a wide gamut display the colorimetric distance between any
> two colors is much larger. As an example, lets say you have two
> adjacent color patches one is 230,240,200 and the patch next to it is
> 230,241,200. On a standard LCD or CRT those two colors may be
> around .8 Delta E apart. On an Adobe RGB display those colors might
> be 2 Delta E apart on an ECI RGB display this could be as high as 4
> delta E.
>
> It's very nice to be able to display all kinds of saturated colors
> you may never use in your photographs, however if the smallest
> visible adjustment you can make to a skin tone is 4 delta E you will
> become very frustrated very quickly.
[more details about bit depth snipped]
DVI has still 8 bit per channel (for the signal), so there was no
change in the last two years. I would like to hear about yours and
Karls real word experience if which situations you still prefer a
standard (about 70% NTSC) gamut display and when (if ever) you will
prefer a wide-gamut display?
Best regards
Peter
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