Contrast ratio results for VG248QE_https://pcmonitors.info/reviews/

Black
Contrast ratio	636:1
Monitor model	VG248QE_https://pcmonitors.info/reviews/
Submitted	16 Aug 2021 20:58 CEST, by 80.186..
Camera model	Fujifilm FinePix HS20EXR
Processing remarks	Warning: image file 3 is too bright to be a dark photo. Maybe you mixed up the files?
Screen photo	[open image]
Luminance	0.16 cd/m2
Luminance spread	0.08 cd/m2 (2 standard deviations)
Exposure value	–2.21 stops (aim for –2 to –3)
Exposure spread	0.7 stops
Area used for calculation	0.646 x 0.861
Camera settings	Exposure time: 15 ISO: 100 F-number: 3.6 Focal length: 48.7 mm (35 mm equivalent) Exposure compensation: 0
White
Screen photo	[open image]
Luminance	101 cd/m2
Luminance spread	30 cd/m2 (2 standard deviations)
Exposure value	–2.51 stops (aim for –2 to –3)
Exposure spread	0.44 stops
Area used for calculation	0.646 x 0.861
Camera settings	Exposure time: 1/52 ISO: 100 F-number: 3.6 Focal length: 48.7 mm (35 mm equivalent) Exposure compensation: 0
Black at screen edge
Screen photo	[open image]
Luminance	91 cd/m2
Luminance spread	25 cd/m2 (2 standard deviations)
Exposure value	–2.67 stops (aim for –2 to –3)
Exposure spread	0.4 stops
Area used for calculation	0.646 x 0.861
Camera settings	Exposure time: 1/52 ISO: 100 F-number: 3.6 Focal length: 48.7 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.