Contrast ratio | 15:1 |
---|---|
Monitor model | XIAOMI MI CURVED 34 (2021) |
Submitted | 30 Dec 2021 01:06 CET, by 94.71.*.* |
Camera model | samsung SM-G985F |
Processing remarks | image file 1: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time. |
Black | |
Screen photo |
|
Luminance | 1.67 cd/m2 |
Luminance spread | 10.68 cd/m2 (2 standard deviations) |
Exposure value | –7.76 stops (aim for –2 to –3) |
Exposure spread | 4.25 stops |
Area used for calculation | 0.165 x 0.274 |
Camera settings | Exposure time: 1/350 ISO: 400 F-number: 2.2 Focal length: 13 mm (35 mm equivalent) Exposure compensation: 0 |
White | |
Screen photo |
|
Luminance | 24 cd/m2 |
Luminance spread | 6 cd/m2 (2 standard deviations) |
Exposure value | –3.89 stops (aim for –2 to –3) |
Exposure spread | 0.38 stops |
Area used for calculation | 0.165 x 0.274 |
Camera settings | Exposure time: 1/350 ISO: 400 F-number: 2.2 Focal length: 13 mm (35 mm equivalent) Exposure compensation: 0 |
Black at screen edge | |
Screen photo |
|
Luminance | 4.27 cd/m2 |
Luminance spread | 16.46 cd/m2 (2 standard deviations) |
Exposure value | –6.4 stops (aim for –2 to –3) |
Exposure spread | 4.25 stops |
Area used for calculation | 0.165 x 0.274 |
Camera settings | Exposure time: 1/350 ISO: 400 F-number: 2.2 Focal length: 13 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.