Roger, we did these experiments at Fogra in our softproofing research back in 2009. Even if you are using the most accurate instruments (we used a CS-2000) a numerical match between two different backlight technologies doesn't mean a visual match. The reason is that most backlight technologies have their spectral flanks at the same wavelengths where the CMFs have flanks. So every small shift in wl-sensitivity exhibits a rather huge difference in observed colour. To get an idea see: https://www.fogra.org/en/fogra-research/prepress/researchprojects-prepress/s... So practically: Finetune the whitepoint of the second display as Graeme suggested. Cheers Claas Graeme Gill via colorsync-users schrieb am 06.02.20 um 03:26:
Wayne Bretl via colorsync-users wrote:
Plus I believe later research has shown some flaws in the standard observer (but, I believe, smaller than the variation). Yes. Hence the proposed 2012 observer: <http://www.cvrl.org/ciexyzpr.htm> <http://www.cvrl.org/database/text/cienewxyz/cie2012xyz2.htm>
Graeme Gill.
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