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ViewSonic VX924: The Near Future Of LCD Displays

Black Is Black

Black spotWhite spotContrast
VX9240.26159611:1
VP191b0.34220647: 1
L90D+0.39259664:1

These values were at the calibration point - that is, with the brightness, contrast, and color adjustments that resulted in the best calibration curve. When you move away from this calibration point by adjusting the contrast and/or brightness, the calibration curve deteriorates.

The VX924 is the best monitor we've seen in a long time from this point of view. The black was very deep (0.26 nits) with a good brightness level that's not blinding - 159 nits. This is good to see at a time when most manufacturers are pushing brightness excessively at the expense of user comfort. The resulting contrast is excellent. It's comparable with the best available reasonably-priced LCDs.

We then measured the stability of contrast when the panel's brightness level is changed.

This curve indicates the contrast value measured at a given brightness adjustment on the on-screen display (OSD). In theory, brightness and contrast are two independent parameters, and good contrast is a requirement regardless of the brightness adjustment. Unfortunately such is not the case in practice.

The brightness adjustment is shown on the X-axis, contrast on the Y-axis. Contrast is expressed here as a percentage of the maximum value measured using the ANSI test protocol.

As we're accustomed to seeing with ViewSonic products, the VX924 performed extremely well.