Contrast ratio results

Black
Contrast ratio	1601:1
Monitor model
Submitted	13 Dec 2019 19:23 CET, by 87.155..
Camera model	Sony ILCE-6300
Processing remarks	Warning: image file 1: automatic white balance can cause inaccuracies. Warning: image file 2: automatic white balance can cause inaccuracies.
Screen photo	[open image]
Luminance	0.18 cd/m2
Luminance spread	0.18 cd/m2 (2 standard deviations)
Exposure value	–2.92 stops (aim for –2 to –3)
Exposure spread	1.61 stops
Area used for calculation	0.375 x 0.423
Camera settings	Exposure time: 2.5 ISO: 400 F-number: 4 Focal length: 27 mm (35 mm equivalent) Exposure compensation: 0
White
Screen photo	[open image]
Luminance	290 cd/m2
Luminance spread	67 cd/m2 (2 standard deviations)
Exposure value	–1.56 stops (aim for –2 to –3)
Exposure spread	0.33 stops
Area used for calculation	0.375 x 0.423
Camera settings	Exposure time: 1/250 ISO: 400 F-number: 4 Focal length: 27 mm (35 mm equivalent) Exposure compensation: 0

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.