Contrast ratio results

Contrast ratio 475:1
Monitor model
Submitted 20 Aug 2011 12:04 CEST, by 109.87.*.*
Camera model Fujifilm FinePix F70EXR
Processing remarks

Warning: image file 1: Underexposed. Please increase the shutter time.
Note: image file 1: suggested exposure time: 32.1 s (Set EV to +5.0)
Warning: image file 2: Underexposed. Please increase the shutter time.
Note: image file 2: suggested exposure time: 1/15 s (Set EV to +4.8)

Black
Screen photo
Luminance 0.05 cd/m2
Luminance spread 0.03 cd/m2 (2 standard deviations)
Exposure value –7.5 stops   (aim for –2 to –3)
Exposure spread 0.85 stops
Area used for calculation 0.39 x 0.439
Camera settings Exposure time: 1   ISO: 100   F-number: 3.2
Focal length: 28.1 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 23 cd/m2
Luminance spread 3 cd/m2 (2 standard deviations)
Exposure value –7.31 stops   (aim for –2 to –3)
Exposure spread 0.22 stops
Area used for calculation 0.39 x 0.439
Camera settings Exposure time: 1/416   ISO: 100   F-number: 3.2
Focal length: 28.1 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.