Contrast ratio of Dell 2709w

Contrast ratio 2314:1
Monitor model Dell 2709w
Submitted 01 Jun 2013 23:32 CEST, by 190.193.*.*
Camera model Fujifilm FinePix X100
Processing remarks

Note: image file 1: suggested exposure time: 2.8 s (Set EV to -0.5)

Black
Screen photo
Luminance 0.05 cd/m2
Luminance spread 0.02 cd/m2 (2 standard deviations)
Exposure value –3.98 stops   (aim for –2 to –3)
Exposure spread 0.48 stops
Area used for calculation 0.488 x 0.651
Camera settings Exposure time: 1   ISO: 400   F-number: 2
Focal length: 36.8 mm   (35 mm equivalent)
Exposure compensation: -2
White
Screen photo
Luminance 125 cd/m2
Luminance spread 28 cd/m2 (2 standard deviations)
Exposure value –1.52 stops   (aim for –2 to –3)
Exposure spread 0.32 stops
Area used for calculation 0.488 x 0.651
Camera settings Exposure time: 1/422   ISO: 400   F-number: 2
Focal length: 36.8 mm   (35 mm equivalent)
Exposure compensation: -1
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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.