REVIEW: NEC LCD1990SXi Part 10

The brightness uniformity of our review unit is good, merely revealing two minor brightness irregularities in the upper border area. But these didn't annoy us at all in everyday use. At this point, it should be noted that brightness uniformity is generally subject to a certain degree of standard deviation, causing it to vary somewhat from unit to unit.

The subjective image quality of the NEC LCD1990SXi is good; no banding was detected in subtle linear and radial color gradients. Grey scales, too, are displayed perfectly. Also when using an analog connection, the NEC LCD1990SXi delivers first class image quality.

Using the Colorimeter Silver Haze Pro (x-rite Model DTP94) and the iColor Software by Quatographic, we calibrated the colors of the monitor. Afterwards, we measured the reproducible color space and the accuracy of the colors displayed.

Calibration:

	Reference	Measured
Gamma	2.2	2.2
Kelvin	6500	6511
cd/m2	140	140

Measurement charts: Click illustrations for enlarged view and explanation

The NEC can reproduce a fairly large color space. The reproducible contrast range can judged as good.

Possible color space in volumetric 3D view

Adobe RGB color space (grey/white line) compared to the color space of the NEC LCD1990SXi (colored line)

However, for professional graphics work where demands on color accuracy are very high --for example, in pre press-- we regard the NEC LCD1990SXi as less suitable. For semi-professional graphics work though, we can safely assess this monitor full capabilities.

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