Contrast ratio results for LG 27MP68

Contrast ratio 3352:1
Monitor model LG 27MP68
Submitted 02 Feb 2018 19:38 CET, by 81.159.*.*
Camera model Nikon D5100
Processing remarks

Warning: image file 1: Underexposed. Please increase the shutter time.
Note: image file 1: suggested exposure time: 5.4 s (Set EV to +5.8)

Black
Screen photo
Luminance 0.03 cd/m2
Luminance spread 0.02 cd/m2 (2 standard deviations)
Exposure value –8.25 stops   (aim for –2 to –3)
Exposure spread 0.99 stops
Area used for calculation 1 x 1
Camera settings Exposure time: 1/10   ISO: 400   F-number: 2
Focal length: 75 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 94 cd/m2
Luminance spread 8 cd/m2 (2 standard deviations)
Exposure value –0.86 stops   (aim for –2 to –3)
Exposure spread 0.13 stops
Area used for calculation 1 x 1
Camera settings Exposure time: 1/200   ISO: 400   F-number: 2
Focal length: 75 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.