Contrast ratio results for EX2510

Black
Contrast ratio	106298:1
Monitor model	EX2510
Submitted	02 Feb 2023 21:27 CET, by 109.198..
Camera model	Xiaomi Redmi Note 5
Processing remarks	Warning: image file 1: Underexposed. Please increase the shutter time. Note: image file 1: suggested exposure time: 236.3 s (Set EV to +11.6) Note: image file 2: suggested exposure time: 1/450 s (Set EV to -1.1)
Screen photo	[open image]
Luminance	0 cd/m2
Luminance spread	0 cd/m2 (2 standard deviations)
Exposure value	–14.08 stops (aim for –2 to –3)
Exposure spread	2.26 stops
Area used for calculation	0.318 x 0.424
Camera settings	Exposure time: 1/13 ISO: 400 F-number: 1.9 Focal length: 24 mm (35 mm equivalent) Exposure compensation: 0
White
Screen photo	[open image]
Luminance	61 cd/m2
Luminance spread	19 cd/m2 (2 standard deviations)
Exposure value	–1.36 stops (aim for –2 to –3)
Exposure spread	0.46 stops
Area used for calculation	0.318 x 0.424
Camera settings	Exposure time: 1/204 ISO: 400 F-number: 1.9 Focal length: 24 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.