Contrast ratio results for Toshiba

Contrast ratio 287:1
Monitor model Toshiba
Submitted 14 May 2018 22:14 CEST, by 88.127.*.*
Camera model Panasonic DMC-G6
Processing remarks

Warning: image file 1: Underexposed. Please increase the shutter time.
Note: image file 1: suggested exposure time: 0.8 s (Set EV to +1.6)

Black
Screen photo
Luminance 0.6 cd/m2
Luminance spread 1.21 cd/m2 (2 standard deviations)
Exposure value –4.12 stops   (aim for –2 to –3)
Exposure spread 4.25 stops
Area used for calculation 0.404 x 0.404
Camera settings Exposure time: 1/4   ISO: 400   F-number: 3.5
Focal length: 28 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
Luminance 173 cd/m2
Luminance spread 27 cd/m2 (2 standard deviations)
Exposure value –2.6 stops   (aim for –2 to –3)
Exposure spread 0.22 stops
Area used for calculation 0.404 x 0.404
Camera settings Exposure time: 1/400   ISO: 400   F-number: 3.5
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.