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

Contrast ratio of NEC2690WUXi low bright mode

Contrast ratio 346:1
Monitor model NEC2690WUXi low bright mode
Submitted 28 Apr 2008 23:08 CEST, by 75.157.*.*
Camera model Canon EOS-1Ds Mark II
Processing remarks


Black
Screen photo
[open image]
Luminance 0.29 cd/m2
Luminance spread 0.13 cd/m2 (2 standard deviations)
Exposure value –2.87 stops   (aim for –2 to –3)
Exposure spread 0.68 stops
Area used for calculation 0.668 x 0.752
Camera settings Exposure time: 0.8   ISO: 400   F-number: 2.8
Focal length: 48.1 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
[open image]
Luminance 99 cd/m2
Luminance spread 64 cd/m2 (2 standard deviations)
Exposure value –2.74 stops   (aim for –2 to –3)
Exposure spread 0.96 stops
Area used for calculation 0.668 x 0.752
Camera settings Exposure time: 1/395   ISO: 400   F-number: 2.8
Focal length: 48.1 mm   (35 mm equivalent)
Exposure compensation: 0
{adcode}

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.