Contrast ratio results for Belinea 1980 S2

Black
Contrast ratio	29:1
Monitor model	Belinea 1980 S2
Submitted	02 Jun 2008 12:03 CEST, by 89.229..
Camera model	Olympus C2100UZ
Processing remarks	Warning: image file 1: exposure time below 1/500 sec is unreliable. Try increasing the EV compensation. image file 1: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time. image file 2: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time.
Screen photo	[open image]
Luminance	4.15 cd/m2
Luminance spread	4.83 cd/m2 (2 standard deviations)
Exposure value	–2.01 stops (aim for –2 to –3)
Exposure spread	1.92 stops
Area used for calculation	0.56 x 0.56
Camera settings	Exposure time: 1/10 ISO: 400 F-number: 2.8 Focal length: 38.8 mm (35 mm equivalent) Exposure compensation: 0
White
Screen photo	[open image]
Luminance	122 cd/m2
Luminance spread	28 cd/m2 (2 standard deviations)
Exposure value	–3.16 stops (aim for –2 to –3)
Exposure spread	0.33 stops
Area used for calculation	0.56 x 0.56
Camera settings	Exposure time: 1/650 ISO: 400 F-number: 2.8 Focal length: 38.8 mm (35 mm equivalent) Exposure compensation: -1

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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.