Contrast ratio results

Contrast ratio 482:1
Monitor model
Submitted 15 Mar 2020 19:21 CET, by 109.94.*.*
Camera model motorola Moto E 4
Processing remarks

Warning: image file 1: could not determine angle of view; assuming 38 mm lens (35 mm equivalent).
Warning: image file 2: could not determine angle of view; assuming 38 mm lens (35 mm equivalent).
Note: image file 2: suggested exposure time: 1/94 s (Set EV to -0.9)
Warning: Image ISO settings are not the same.

Black
Screen photo
Luminance 0.14 cd/m2
Luminance spread 0.09 cd/m2 (2 standard deviations)
Exposure value –3.17 stops   (aim for –2 to –3)
Exposure spread 0.93 stops
Area used for calculation 0.528 x 0.528
Camera settings Exposure time: 1/5   ISO: 1600   F-number: 2.2
Focal length: 0 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 69 cd/m2
Luminance spread 12 cd/m2 (2 standard deviations)
Exposure value –3.6 stops   (aim for –2 to –3)
Exposure spread 0.25 stops
Area used for calculation 0.528 x 0.528
Camera settings Exposure time: 1/203   ISO: 100   F-number: 2.2
Focal length: 0 mm   (35 mm equivalent)
Exposure compensation: -2

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.