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Contrast ratio results for LG 32LD450 zoomed

Contrast ratio 652:1
Monitor model LG 32LD450 zoomed
Submitted 11 Jan 2011 17:58 CET, by 118.99.*.*
Camera model Sony NEX-5
Processing remarks

image file 1: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time.
image file 2: Warning: image includes screen edges or something that's not a monitor. Hold the camera close to the screen.

Black
Screen photo
[open image]
Luminance 0.24 cd/m2
Luminance spread 0.3 cd/m2 (2 standard deviations)
Exposure value –2.16 stops   (aim for –2 to –3)
Exposure spread 2.08 stops
Area used for calculation 0.795 x 1
Camera settings Exposure time: 8   ISO: 200   F-number: 4.5
Focal length: 60 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
[open image]
Luminance 158 cd/m2
Luminance spread 73 cd/m2 (2 standard deviations)
Exposure value –1.72 stops   (aim for –2 to –3)
Exposure spread 0.68 stops
Area used for calculation 0.795 x 1
Camera settings Exposure time: 1/60   ISO: 200   F-number: 4.5
Focal length: 60 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.