Contrast ratio | 2434:1 |
---|---|
Monitor model | jvc |
Submitted | 25 Dec 2016 08:54 CET, by 68.5.*.* |
Camera model | Canon EOS REBEL SL1 |
Processing remarks | Warning: Image F-number settings are not the same. |
Black | |
Screen photo |
|
Luminance | 0.12 cd/m2 |
Luminance spread | 0.09 cd/m2 (2 standard deviations) |
Exposure value | –1.88 stops (aim for –2 to –3) |
Exposure spread | 1.19 stops |
Area used for calculation | 0.858 x 0.966 |
Camera settings | Exposure time: 12.3 ISO: 400 F-number: 5 Focal length: 61.8 mm (35 mm equivalent) Exposure compensation: 2 |
White | |
Screen photo |
|
Luminance | 288 cd/m2 |
Luminance spread | 98 cd/m2 (2 standard deviations) |
Exposure value | –2.01 stops (aim for –2 to –3) |
Exposure spread | 0.49 stops |
Area used for calculation | 0.771 x 0.867 |
Camera settings | Exposure time: 1/256 ISO: 400 F-number: 4.6 Focal length: 55.5 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.