Contrast ratio of Benq VW2245Z

Contrast ratio 2017:1
Monitor model Benq VW2245Z
Submitted 29 Aug 2020 00:06 CEST, by 87.116.*.*
Camera model Sony ILCE-5000
Processing remarks


Black
Screen photo
Luminance 0.09 cd/m2
Luminance spread 0.05 cd/m2 (2 standard deviations)
Exposure value –1.56 stops   (aim for –2 to –3)
Exposure spread 0.83 stops
Area used for calculation 0.333 x 0.375
Camera settings Exposure time: 10   ISO: 400   F-number: 3.5
Focal length: 24 mm   (35 mm equivalent)
Exposure compensation: 2.3
White
Screen photo
Luminance 179 cd/m2
Luminance spread 26 cd/m2 (2 standard deviations)
Exposure value –2.55 stops   (aim for –2 to –3)
Exposure spread 0.21 stops
Area used for calculation 0.333 x 0.375
Camera settings Exposure time: 1/400   ISO: 400   F-number: 3.5
Focal length: 24 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.