Contrast ratio results

Black
Contrast ratio	6919:1
Monitor model
Submitted	23 Jan 2024 07:31 CET, by 104.184..
Camera model	Google Pixel 8 Pro
Processing remarks	Warning: image file 1: automatic white balance can cause inaccuracies. Warning: image file 1: Underexposed. Please increase the shutter time. Note: image file 1: suggested exposure time: 8.5 s (Set EV to +3.1) Warning: image file 2: automatic white balance can cause inaccuracies. image file 2: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time. Warning: image file 2: Overexposed. Please decrease the shutter time. Warning: Image ISO settings are not the same.
Screen photo	[open image]
Luminance	0.01 cd/m2
Luminance spread	0 cd/m2 (2 standard deviations)
Exposure value	–5.59 stops (aim for –2 to –3)
Exposure spread	0.11 stops
Area used for calculation	0.461 x 0.26
Camera settings	Exposure time: 1 ISO: 396 F-number: 1.7 Focal length: 24 mm (35 mm equivalent) Exposure compensation: 0
White
Screen photo	[open image]
Luminance	90 cd/m2
Luminance spread	192 cd/m2 (2 standard deviations)
Exposure value	–1.48 stops (aim for –2 to –3)
Exposure spread	4.25 stops
Area used for calculation	0.941 x 0.532
Camera settings	Exposure time: 1/402 ISO: 397 F-number: 1.7 Focal length: 49 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.