Contrast ratio results for ASUS VW246H

Contrast ratio 932:1
Monitor model ASUS VW246H
Submitted 22 May 2010 09:28 CEST, by 83.163.*.*
Camera model Canon DIGITAL IXUS 100 IS
Processing remarks

Warning: image file 1: Underexposed. Please increase the shutter time.
Note: image file 1: suggested exposure time: 36.6 s (Set EV to +5.2)

Black
Screen photo
Luminance 0.02 cd/m2
Luminance spread 0 cd/m2 (2 standard deviations)
Exposure value –7.7 stops   (aim for –2 to –3)
Exposure spread 0.28 stops
Area used for calculation 0.477 x 0.477
Camera settings Exposure time: 1   ISO: 200   F-number: 3.2
Focal length: 33 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 20 cd/m2
Luminance spread 1 cd/m2 (2 standard deviations)
Exposure value –1.74 stops   (aim for –2 to –3)
Exposure spread 0.06 stops
Area used for calculation 0.477 x 0.477
Camera settings Exposure time: 1/15   ISO: 200   F-number: 3.2
Focal length: 33 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.