Contrast ratio results for Samsung SyncMaster 226BW

Contrast ratio 1270:1 (edge: 848:1)
Monitor model Samsung SyncMaster 226BW
Submitted 11 May 2008 19:29 CEST, by 96.52.*.*
Camera model Panasonic DMC-TZ3
Processing remarks

Note: image file 1: suggested exposure time: 2.7 s (Set EV to +3.4)
Warning: Image ISO settings are not the same.

Black
Screen photo
Luminance 0.15 cd/m2
Luminance spread 0.06 cd/m2 (2 standard deviations)
Exposure value –3.95 stops   (aim for –2 to –3)
Exposure spread 0.56 stops
Area used for calculation 0.404 x 0.404
Camera settings Exposure time: 1   ISO: 400   F-number: 3.3
Focal length: 28 mm   (35 mm equivalent)
Exposure compensation: 2
White
Screen photo
Luminance 192 cd/m2
Luminance spread 27 cd/m2 (2 standard deviations)
Exposure value –1.6 stops   (aim for –2 to –3)
Exposure spread 0.2 stops
Area used for calculation 0.404 x 0.404
Camera settings Exposure time: 1/125   ISO: 200   F-number: 3.3
Focal length: 28 mm   (35 mm equivalent)
Exposure compensation: 0
Black at screen edge
Screen photo
Luminance 0.23 cd/m2
Luminance spread 0.09 cd/m2 (2 standard deviations)
Exposure value –3.36 stops   (aim for –2 to –3)
Exposure spread 0.55 stops
Area used for calculation 0.404 x 0.404
Camera settings Exposure time: 1   ISO: 400   F-number: 3.3
Focal length: 28 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.