Contrast ratio | 11819:1 |
---|---|
Monitor model | Samsung Odyssey G7 |
Submitted | 20 Nov 2020 15:33 CET, by 31.167.*.* |
Camera model | Apple iPhone 12 Pro Max |
Processing remarks | Warning: image file 1: automatic white balance can cause inaccuracies. |
Black | |
Screen photo |
|
Luminance | 0.04 cd/m2 |
Luminance spread | 0.1 cd/m2 (2 standard deviations) |
Exposure value | –8.81 stops (aim for –2 to –3) |
Exposure spread | 4.25 stops |
Area used for calculation | 0.339 x 0.487 |
Camera settings | Exposure time: 1/34 ISO: 500 F-number: 1.8 Focal length: 26 mm (35 mm equivalent) Exposure compensation: -2.28 |
White | |
Screen photo |
|
Luminance | 496 cd/m2 |
Luminance spread | 52 cd/m2 (2 standard deviations) |
Exposure value | –0.46 stops (aim for –2 to –3) |
Exposure spread | 0.15 stops |
Area used for calculation | 0.335 x 0.51 |
Camera settings | Exposure time: 1/100 ISO: 32 F-number: 1.6 Focal length: 26 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.