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The monitor’s brightness is regulated with the lamps and the matrix, and details are lost in darks at a brightness of 35% and lower. The lamps are modulated at a frequency of 150Hz.

The 2407WFP has a standard color gamut, slightly larger than sRGB in greens. An extended color gamut is delivered by the newer 2407WFP-HC model that features backlight lamps with improved phosphors, but I haven’t yet had a chance to test it.

The gamma curves look good at a brightness of 35% to the maximum. They are just a little higher than the ideal curve and betray no problems with color reproduction.

When the brightness is set lower than 35%, the drawback I mentioned above becomes conspicuous: the curves lie on the X-axis in the left part of the diagram. In other words, all dark halftones merge into black. Keep this in mind as you are changing the brightness setting on the 2407WFP.

The color temperature modes are set up acceptably well. There is a small difference between the temperatures of grays. The only thing you should be aware of is that the Red mode yields 6500K which is considered a normal, not warm, temperature whereas the Normal mode yields a colder color. If you prefer really warm colors (i.e. below 6500K), you’ll have to set color temperature up manually.

The response time average is 9.9 milliseconds GtG with a maximum of 41.1 milliseconds. That’s a good, but not exceptional, result for a *VA matrix.

The RTC error average is 5.4%. That’s a good result for a *VA matrix, meaning that these errors are not going to be visible in most cases. You can find them, though, if you look for them on purpose.

The monitor is bright. Its minimum brightness is over 135 nits which is too much even for working under dim evening lighting. Considering that it’s undesirable to select a brightness setting lower than 35% on the 2407WFP, you have to use the contrast setting, too. And since the latter setting is locked in this monitor when you connect it via the digital interface, you have to use your graphics card settings. This is not very handy, of course.

So, the Dell 2407WFP is a well-made product with such advantages as a stand with a full set of screen adjustment options, a large selection of video inputs, an integrated card-reader and USB hub, and the option of displaying a picture in a non-native resolution without interpolation. The monitor boasts a sufficiently high matrix speed and a good quality of color reproduction. Alas, the latter worsens when you reduce the brightness setting to 35% and lower.

On the downside are the unhandy onscreen menu and the lack of contrast regulation while the brightness adjustment range is too small. This makes you change the contrast setting of your graphics card driver to achieve the desired brightness of the screen.

 
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