Contrast ratio results for samsung U28E590DS

Contrast ratio 951:1
Monitor model samsung U28E590DS
Submitted 06 Jul 2017 00:44 CEST, by 84.25.*.*
Camera model samsung SM-G935F
Processing remarks

Warning: image file 1: Underexposed. Please increase the shutter time.
Note: image file 1: suggested exposure time: 11.3 s (Set EV to +5.5)
Note: image file 2: suggested exposure time: 1/84 s (Set EV to -1.1)

Black
Screen photo
Luminance 0.01 cd/m2
Luminance spread 0 cd/m2 (2 standard deviations)
Exposure value –8 stops   (aim for –2 to –3)
Exposure spread 0.3 stops
Area used for calculation 0.425 x 0.319
Camera settings Exposure time: 1/4   ISO: 400   F-number: 1.7
Focal length: 26 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 9 cd/m2
Luminance spread 1 cd/m2 (2 standard deviations)
Exposure value –1.43 stops   (aim for –2 to –3)
Exposure spread 0.23 stops
Area used for calculation 0.425 x 0.319
Camera settings Exposure time: 1/40   ISO: 400   F-number: 1.7
Focal length: 26 mm   (35 mm equivalent)
Exposure compensation: 0
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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.