[argyllcms] Re: Compatibility with i1 (Eye One) Display Pro 3 retail and OEM?
- From: Florian Höch <lists+argyllcms@xxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Wed, 08 Feb 2012 17:49:56 +0100
Am 07.02.2012 23:36, schrieb János, Tóth F.:
Did anybody notice any anomalies with the i1 Display Pro?
I created a ccss with a ColorMunki, calibrated the display (only a
cheap WLED TN was on hand right now), created a simple gamma+matrix
profile with an i1d3 and validated that with the ColorMunki.
They agreed about the peak errors on color (a dark blue and a dark red
patch with dE~3.5) but there seems to be a little drift in the white
point. And not only in the CCT but also in the luminance:
Profile whitepoint XYZ (normalized): 95.53 100.56 110.08 (95 100
109.47), CCT = 6545K
Measured luminance: 90.4 cd/m²
Measured whitepoint XYZ (normalized): 85.81 90.4 94.21 (94.92 100
104.21), CCT = 6228K
I get a somewhat similar discrepancy when measuring my LCD2690WUXi
wide-gamut ccfl tft and using ccss files (reference instrument is an i1
Pro).
Just checking the current display response with dispcal:
i1 Pro readings:
dispcal -v -yl test
...
5) Check all
...
White = XYZ 124.28 126.46 116.51
Current white = x 0.3384, y 0.3443, VDT 5392K DE 2K 5.7
dispcal -v -yl -H test
...
5) Check all
...
White = XYZ 126.42 128.16 117.43
Current white = x 0.3398, y 0.3445, VDT 5349K DE 2K 6.3
i1 Display Pro readings (no CCSS):
dispcal -v -yl test
...
5) Check all
...
White = XYZ 123.12 129.45 126.70
Current white = x 0.3249, y 0.3418, VDT 5816K DE 2K 0.8
i1 Display Pro (with default wide-gamut CCSS):
dispcal -v -yl -X WGCCFLFamily_07Feb11.ccss test
...
5) Check all
...
White = XYZ 132.41 130.99 127.61
Current white = x 0.3386, y 0.3350, VDT 5565K DE 2K 10.8
i1 Display Pro (with custom CCSS specifically for that screen, created
with the i1 Pro, no high res spectrum mode):
dispcal -v -yl -X LCD2690WUXi.ccss test
...
5) Check all
...
White = XYZ 130.75 131.12 127.30
Current white = x 0.3360, y 0.3369, VDT 5606K DE 2K 8.8
i1 Display Pro (with custom CCSS specifically for that screen, created
with the i1 Pro, high res spectrum mode):
dispcal -v -yl -X LCD2690WUXi_hires.ccss test
...
5) Check all
...
White = XYZ 131.30 131.59 128.40
Current white = x 0.3356, y 0.3363, VDT 5632K DE 2K 8.9
i1 Display Pro (no CCSS, but with custom CCMX specifically for that
screen, created with the i1 Pro, no high res spectrum mode):
dispcal -v -yl -X i1D3_LCD2690WUXi.ccmx test
...
5) Check all
...
White = XYZ 125.21 127.22 117.62
Current white = x 0.3384, y 0.3438, VDT 5403K DE 2K 6.0
I understand a ccss file won't forcefully align the two meters but now
I should ask myself which one is more accurate. Should I create matrix
corrections instead or accept the i1d3 results?
Good question. In my case a CCMX brings the i1d3 readings pretty close
to those of the i1 Pro (see above).
Can this mean my ColorMunki got worn out?
Unless there's some other problem with it, I would assume it's unlikely?
But that's just my gut feeling.
--
Florian Höch
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