Contrast ratio of LG 24MP68VQ

Contrast ratio 554:1
Monitor model LG 24MP68VQ
Submitted 27 Jan 2019 12:53 CET, by 58.187.*.*
Camera model Canon EOS Kiss X4
Processing remarks


Black
Screen photo
Luminance 0.25 cd/m2
Luminance spread 0.1 cd/m2 (2 standard deviations)
Exposure value –2.04 stops   (aim for –2 to –3)
Exposure spread 0.62 stops
Area used for calculation 0.393 x 0.442
Camera settings Exposure time: 2.6   ISO: 400   F-number: 3.5
Focal length: 28.3 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 136 cd/m2
Luminance spread 15 cd/m2 (2 standard deviations)
Exposure value –1.93 stops   (aim for –2 to –3)
Exposure spread 0.16 stops
Area used for calculation 0.393 x 0.442
Camera settings Exposure time: 1/197   ISO: 400   F-number: 3.5
Focal length: 28.3 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.