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10-19-11, 05:10 PM
It is time for results of the interesting testing Iā??ve done on how the color reproduction of a 3D LCD monitor is affected in different refresh rates and modes ā?? 2D and stereo 3D with the use of 3D Vision. Iā??ve used Acer GN245HQ 3D Vision ready 120Hz LCD monitor along with an X-rite colorimeter to measure the display characteristics, along with a lens from a pair of 3D Vision glasses to measure trough. Notice how the color accuracy as well as the level of brightness changes with and without the 3D Vision lenses in different operational modes of the display, have in mind that the measurements were made directly trough the lens with it being in inactive (open) stateā?¦


http://3dvision-blog.com/wp-content/uploads/2011/10/60Hz-2D-mode.jpg

http://3dvision-blog.com/wp-content/uploads/2011/10/60Hz-2D-mode-3dv.jpg

Starting with 60Hz refresh rate, measuring the default color reproduction of the monitor on top and through the 3D Vision glasses on the bottom. The situation isnā??t very different, apart from the fact that the brightness gets reduced significantly and there is a bit more difference in the color temperature.


http://3dvision-blog.com/wp-content/uploads/2011/10/120Hz-2D-mode.jpg

http://3dvision-blog.com/wp-content/uploads/2011/10/120Hz-2D-mode-3dv.jpg

Moving to 120Hz refresh rate, a bit better results with color reproduction as compared to the 60Hz mode, obviously as the monitor is intended to be used with 120Hz refresh rate. Again higher color deviation trough the lenses of the 3D Vision glasses, but the most important par here as well is the reduction of brightness with pretty much the same level as with the 60Hz refresh.


http://3dvision-blog.com/wp-content/uploads/2011/10/120Hz-3D-mode.jpg

http://3dvision-blog.com/wp-content/uploads/2011/10/120Hz-3D-mode-3dv.jpg

The results in 120Hz 3D mode are a bit different though. Even more reduction of the brightness and bigger color deviation, however there is one important thing here and that is the fact that in this mode each eye should be getting different image in 3D mode, so it is hard to exactly measure the results in such a mode, so it is possible that the color reproduction is better than what the calorimeter detects when using the full 120Hz refresh rate in 3D mode to display the same content.

Now, the next thing that immediately comes to my mind is what will happen if I do a color calibration of the display trough the lenses of the 3D Vision glasses, how will this affect the monitorā??s color reproduction visually and how the image will look without the glasses? Now, since color calibration does not affect the color reproduction in games when you play in fullscreen stereo 3D mode you can only make the image look better when you are wearing the glasses and doing something on the desktop. Not that you would need a very accurate color reproduction in games as pretty much all of them were not designed with that in mind anyway. Surprisingly enough after calibrating the display trough one of the lenses of the 3D Vision glasses visually the image on the display looked very nice visually when wearing the glasses, apart from the reduced brightness that is expected anyway. And when not wearing them the image on the screen also looks very nice visually, only the color temperature is more significantly off to the colder bluish levels.


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