Contrast ratio of Dell 2408

Contrast ratio 634:1
Monitor model Dell 2408
Submitted 30 Jul 2009 19:08 CEST, by 58.8.*.*
Camera model Canon EOS 5D
Processing remarks


Black
Screen photo
Luminance 0.17 cd/m2
Luminance spread 0.04 cd/m2 (2 standard deviations)
Exposure value –2.35 stops   (aim for –2 to –3)
Exposure spread 0.38 stops
Area used for calculation 0.8 x 0.9
Camera settings Exposure time: 4   ISO: 400   F-number: 4
Focal length: 57.6 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 106 cd/m2
Luminance spread 41 cd/m2 (2 standard deviations)
Exposure value –2.42 stops   (aim for –2 to –3)
Exposure spread 0.56 stops
Area used for calculation 0.8 x 0.9
Camera settings Exposure time: 1/166   ISO: 400   F-number: 4
Focal length: 57.6 mm   (35 mm equivalent)
Exposure compensation: 0
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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.