Contrast ratio results for Horize w650sr from Logical Blue One

Contrast ratio 672:1
Monitor model Horize w650sr from Logical Blue One
Submitted 07 Mar 2014 12:24 CET, by 122.104.*.*
Camera model Nikon COOLPIX L310
Processing remarks

image file 1: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time.
Warning: image file 2: exposure time below 1/500 sec is unreliable. Try increasing the EV compensation.
image file 2: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time.

Black
Screen photo
Luminance 0.3 cd/m2
Luminance spread 0.1 cd/m2 (2 standard deviations)
Exposure value –3.09 stops   (aim for –2 to –3)
Exposure spread 0.49 stops
Area used for calculation 0.361 x 0.361
Camera settings Exposure time: 0.4   ISO: 800   F-number: 3.1
Focal length: 25 mm   (35 mm equivalent)
Exposure compensation: -1
White
Screen photo
Luminance 203 cd/m2
Luminance spread 27 cd/m2 (2 standard deviations)
Exposure value –2.02 stops   (aim for –2 to –3)
Exposure spread 0.2 stops
Area used for calculation 0.361 x 0.361
Camera settings Exposure time: 1/800   ISO: 800   F-number: 3.1
Focal length: 25 mm   (35 mm equivalent)
Exposure compensation: -1
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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.