Contrast ratio results for Sharp AQUOS LC-42D64U

Contrast ratio 1084:1
Monitor model Sharp AQUOS LC-42D64U
Submitted 11 Feb 2009 03:32 CET, by 24.207.*.*
Camera model SAMSUNG TECHWIN CO. LTD. Samsung S85
Processing remarks

Warning: image file 1: automatic white balance can cause inaccuracies.
image file 1: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time.
Note: image file 1: suggested exposure time: 2.4 s (Set EV to +1.3)
Warning: image file 2: automatic white balance can cause inaccuracies.
image file 2: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time.

Black
Screen photo
Luminance 0.13 cd/m2
Luminance spread 0.06 cd/m2 (2 standard deviations)
Exposure value –3.77 stops   (aim for –2 to –3)
Exposure spread 0.65 stops
Area used for calculation 0.549 x 0.549
Camera settings Exposure time: 1   ISO: 400   F-number: 2.9
Focal length: 38 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 143 cd/m2
Luminance spread 33 cd/m2 (2 standard deviations)
Exposure value –2.65 stops   (aim for –2 to –3)
Exposure spread 0.34 stops
Area used for calculation 0.549 x 0.549
Camera settings Exposure time: 1/500   ISO: 400   F-number: 2.9
Focal length: 38 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.