Why does my NEC wide-gamut monitor measure smaller than sRGB after calibration?
Asked 5/6/2019
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2 answers
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I recalibrated my NEC PA241W using the bundled older X-Rite calibrator with targets of 6000 K white point, 120 cd/m² luminance, and gamma 2.2. After calibration, the reported gamut appears smaller than sRGB, which seems wrong for a wide-gamut display. Years ago I remember it measuring wider than sRGB. Is this kind of result normal, or could it be caused by the calibration target settings or by an aging/incompatible colorimeter?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
7y ago
2 Answers
1
If this is a 10 year old calibrator that came with a 10 year old monitor, verify it against a calibrator of recent manufacture. Some calibrators are known to use filter materials which, while high grade, have aging issues severe enough to make them unserviceable after several years.
Originally by user58185. Source · Licensed CC BY-SA 4.0
user58185
7y ago
0
Generated from our catalog & community — verify before relying on it.
No—this is not normal for a PA-series NEC wide-gamut display. A gamut smaller than sRGB after calibration usually points to one of two issues:
- Calibration target choice: Setting the white point to 6000 K instead of the more standard D65 / 6500 K can force the monitor away from its native behavior and make the measured gamut appear to shrink.
- Colorimeter age/compatibility: Older bundled X-Rite devices can drift over time, and some older calibrators are known to perform poorly on wide-gamut displays, especially with saturated colors.
The monitor itself is less likely to be the problem if it previously measured correctly. A good next step is to verify the display with a newer wide-gamut-capable calibrator or compare results against another known-good device. If possible, recalibrate using a D65 white point and retest. Some users also report better results with different calibration software.
So the short answer: the result is probably caused by the calibration setup or an aging/incompatible calibrator, not that the monitor has become smaller than sRGB.
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