Contrast ratio | Test results | LCD test | Small-screen tests | Lagom home

Contrast ratio of Philips

Contrast ratio 370:1
Monitor model Philips
Submitted 17 Aug 2021 00:09 CEST, by 187.57.*.*
Camera model LGE LM-G810
Processing remarks


Black
Screen photo
[open image]
Luminance 0.12 cd/m2
Luminance spread 0.13 cd/m2 (2 standard deviations)
Exposure value –2.85 stops   (aim for –2 to –3)
Exposure spread 1.69 stops
Area used for calculation 0.425 x 0.319
Camera settings Exposure time: 0.8   ISO: 400   F-number: 1.8
Focal length: 26 mm   (35 mm equivalent)
Exposure compensation: 1.83
White
Screen photo
[open image]
Luminance 44 cd/m2
Luminance spread 12 cd/m2 (2 standard deviations)
Exposure value –2.64 stops   (aim for –2 to –3)
Exposure spread 0.39 stops
Area used for calculation 0.425 x 0.319
Camera settings Exposure time: 1/400   ISO: 400   F-number: 1.8
Focal length: 26 mm   (35 mm equivalent)
Exposure compensation: -2

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.