Contrast ratio results for dell2208

Contrast ratio 9073:1
Monitor model dell2208
Submitted 30 Sep 2008 19:51 CEST, by 217.118.*.*
Camera model Olympus SP320
Processing remarks

Warning: image file 1: automatic white balance can cause inaccuracies.
Warning: image file 1: Underexposed. Please increase the shutter time.
Note: image file 1: suggested exposure time: 101.5 s (Set EV to +8.7)
Warning: image file 2: automatic white balance can cause inaccuracies.
Warning: image file 2: Underexposed. Please increase the shutter time.
Note: image file 2: suggested exposure time: 1/89 s (Set EV to +2.2)

Black
Screen photo
Luminance 0.01 cd/m2
Luminance spread 0.01 cd/m2 (2 standard deviations)
Exposure value –11.16 stops   (aim for –2 to –3)
Exposure spread 1.95 stops
Area used for calculation 0.55 x 0.55
Camera settings Exposure time: 1/4   ISO: 100   F-number: 2.8
Focal length: 38.1 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 106 cd/m2
Luminance spread 27 cd/m2 (2 standard deviations)
Exposure value –4.66 stops   (aim for –2 to –3)
Exposure spread 0.37 stops
Area used for calculation 0.55 x 0.55
Camera settings Exposure time: 1/400   ISO: 100   F-number: 2.8
Focal length: 38.1 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.