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Contrast ratio results for Asus PB248

Contrast ratio 228:1
Monitor model Asus PB248
Submitted 17 Apr 2023 02:50 CEST, by 79.139.*.*
Camera model Olympus E-M1
Processing remarks

Warning: using the flash makes no sense.
Note: image file 1: suggested exposure time: 0.4 s (Set EV to -1.3)
Warning: using the flash makes no sense.

Black
Screen photo
[open image]
Luminance 0.75 cd/m2
Luminance spread 0.12 cd/m2 (2 standard deviations)
Exposure value –1.16 stops   (aim for –2 to –3)
Exposure spread 0.24 stops
Area used for calculation 0.493 x 0.493
Camera settings Exposure time: 1   ISO: 400   F-number: 2.8
Focal length: 34.1 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
[open image]
Luminance 172 cd/m2
Luminance spread 12 cd/m2 (2 standard deviations)
Exposure value –1.97 stops   (aim for –2 to –3)
Exposure spread 0.1 stops
Area used for calculation 0.493 x 0.493
Camera settings Exposure time: 1/400   ISO: 400   F-number: 2.8
Focal length: 34.1 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.