Contrast ratio of odyssey g3

Contrast ratio 1:1
Monitor model odyssey g3
Submitted 06 Mar 2024 15:15 CET, by 151.74.*.*
Camera model samsung SM-S918B
Processing remarks

Note: image file 1: suggested exposure time: 0.3 s (Set EV to -1.6)
Note: image file 2: suggested exposure time: 0.4 s (Set EV to -1.2)

Black
Screen photo
Luminance 0.03 cd/m2
Luminance spread 0 cd/m2 (2 standard deviations)
Exposure value –1.26 stops   (aim for –2 to –3)
Exposure spread 0.15 stops
Area used for calculation 0.305 x 0.407
Camera settings Exposure time: 1   ISO: 3200   F-number: 1.7
Focal length: 23 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 0.04 cd/m2
Luminance spread 0.01 cd/m2 (2 standard deviations)
Exposure value –0.94 stops   (aim for –2 to –3)
Exposure spread 0.41 stops
Area used for calculation 0.305 x 0.407
Camera settings Exposure time: 0.9   ISO: 3200   F-number: 1.7
Focal length: 23 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.