Contrast ratio results for Philips 234e

Contrast ratio 230:1
Monitor model Philips 234e
Submitted 18 Jan 2022 22:03 CET, by 92.47.*.*
Camera model Fujifilm X-T3
Processing remarks

Warning: Image focal lengths/zoom levels are not the same.

Black
Screen photo
Luminance 0.54 cd/m2
Luminance spread 0.02 cd/m2 (2 standard deviations)
Exposure value –1.64 stops   (aim for –2 to –3)
Exposure spread 0.04 stops
Area used for calculation 0.474 x 0.355
Camera settings Exposure time: 1   ISO: 400   F-number: 2.8
Focal length: 29 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 124 cd/m2
Luminance spread 9 cd/m2 (2 standard deviations)
Exposure value –2.44 stops   (aim for –2 to –3)
Exposure spread 0.11 stops
Area used for calculation 0.458 x 0.343
Camera settings Exposure time: 1/402   ISO: 400   F-number: 2.8
Focal length: 28 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.