For our pre-calibration measurements we target 200 cd/m2 of light output, the sRGB gamut, and a gamma of 2.2. On the VUE 30 there are color temperature settings you can use for the grayscale and the warm setting was found to produce the most accurate image.
I’m also going to approach this review differently than before. The charts for all these measurements will be available in individual galleries. There is a table at the top of the page that summarizes the pre and post calibration measurements to easily see how well the monitor does before and after calibration. This should make it easier to read, and allow me to better focus commentary about the monitor performance on the areas that need it.
| Pre-Calibration | Post-Calibration, 200 cd/m2 | Post-Calibration, 80 cd/m2 | |
| White Level | 201.78 | 195.562 | 77.6183 |
| Black Level | 0.3214 | 0.3197 | 0.1388 |
| Contrast Ratio | 628:1 | 612:1 | 559:1 |
| Gamma (Average) | 2.2552 | 2.2406 | 2.5132 |
| Color Temperature | 6657K | 6593K | 6452K |
| Grayscale dE2000 | 4.0657 | 0.7705 | 1.3304 |
| Color Checker dE2000 | 5.7431 | 4.0627 | 4.3305 |
| Saturations dE2000 | 4.6853 | 3.7814 | 4.1323 |
The major improvement that we see is for the grayscale and gamma. On our 200 cd/m2 target calibration, those both come out nearly perfect. There is a small gamma spike at 95% but nothing really bad at all. The overall dE2000 is so low as to be unseen. When targeting 80 cd/m2 and the sRGB gamma curve, the Nixeus doesn’t perform quite as well. The gamma has a little more variation and the dE2000 is somewhat higher, though still very low. The loss of contrast ratio is the larger issue here.
Both grayscale results highly improve upon the original, which is slightly warm and has a very large error level as you approach peak white. The problem with the Nixeus VUE 30 lies with color reproduction. The errors for both the 96-point color checker and the saturations measurements improve, but not by a huge degree. Most of that improvement can be tied back to the grayscale improving since those numbers are a large part of these later tests. The default 6-point gamut chart is dropped here as the saturations chart covers that, and that dE2000 average is too heavily impacted by the grayscale data.
What we see is a wildly oversaturated gamut where green, cyan, red, yellow and magenta all fall far outside of the sRGB gamut boundary. With Green even the 60% saturation value is outside the sRGB gamut, which leads to very over-saturated colors. Even post-calibration we see that green dE2000 errors are past 5 from 40% on, and approaching a dE2000 of 10 by 100%. Aside from a few select colors in the Color Checker pattern, and the grayscale, almost all the colors have a large visible error.
The Nixeus lacks an internal LUT to fix this, and only so much can be done through the video card. A large gamut is nice, but just like with an OLED smartphone, we don’t want that gamut to be wildly oversaturated and push the color way outside of their boundaries. For any sort of color-critical work, or even just browsing photographs, the wild gamut of the VUE 30 will likely be a bad choice for those people after accurate colors. If you like a big, punchy image, you’ll probably like it.
Since we can’t control this gamut, perhaps using AdobeRGB as a target will lead to a better result? I decided to give it a try and see if that improves things at all, or if it was still an issue.
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