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Contrast ratio of NEC MultiSync 20WGX2

Contrast ratio 462:1 (edge: 537:1)
Monitor model NEC MultiSync 20WGX2
Submitted 13 Jan 2012 22:28 CET, by 217.118.*.*
Camera model Panasonic DMC-TZ7
Processing remarks


Black
Screen photo
[open image]
Luminance 0.3 cd/m2
Luminance spread 0.08 cd/m2 (2 standard deviations)
Exposure value –2.3 stops   (aim for –2 to –3)
Exposure spread 0.4 stops
Area used for calculation 0.448 x 0.448
Camera settings Exposure time: 0.8   ISO: 800   F-number: 3.3
Focal length: 31 mm   (35 mm equivalent)
Exposure compensation: 0.33
White
Screen photo
[open image]
Luminance 137 cd/m2
Luminance spread 11 cd/m2 (2 standard deviations)
Exposure value –1.09 stops   (aim for –2 to –3)
Exposure spread 0.11 stops
Area used for calculation 0.448 x 0.448
Camera settings Exposure time: 1/250   ISO: 800   F-number: 3.3
Focal length: 31 mm   (35 mm equivalent)
Exposure compensation: 0
Black at screen edge
Screen photo
[open image]
Luminance 0.26 cd/m2
Luminance spread 0.05 cd/m2 (2 standard deviations)
Exposure value –2.51 stops   (aim for –2 to –3)
Exposure spread 0.29 stops
Area used for calculation 0.448 x 0.448
Camera settings Exposure time: 0.8   ISO: 800   F-number: 3.3
Focal length: 31 mm   (35 mm equivalent)
Exposure compensation: 0

The luminance values in cd/m2 are not very reliable, since camera sensitivities can easily differ up to 50% from their nominal value. Typically, the real luminance is 30% lower than this number. The area used for calculation is chosen such that it corresponds to a viewing angle of ±14° horizontally and ±10.5° vertically, which is equivalent to viewing the screen from a distance of about 1.5 times the diagonal size.

Unfortunately, there is a lot of variation in how cameras use EXIF settings. If photos from your camera your produce unusable results, try coming back in a few days. I review submitted pictures regularly and try to fix problems.