Contrast ratio results for SONY 32W4000 (dynamic)

Black
Contrast ratio	11954:1
Monitor model	SONY 32W4000 (dynamic)
Submitted	05 Feb 2009 23:23 CET, by 91.150..
Camera model	Minolta DiMAGE A1
Processing remarks	image file 1: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time. Warning: image file 1: Underexposed. Please increase the shutter time. Note: image file 1: suggested exposure time: 34.4 s (Set EV to +1.1) Note: image file 2: suggested exposure time: 1/350 s (Set EV to -0.5) Warning: Image focal lengths/zoom levels are not the same.
Screen photo	[open image]
Luminance	0.04 cd/m2
Luminance spread	0.02 cd/m2 (2 standard deviations)
Exposure value	–4.28 stops (aim for –2 to –3)
Exposure spread	0.81 stops
Area used for calculation	0.896 x 0.896
Camera settings	Exposure time: 10 ISO: 100 F-number: 3.2 Focal length: 62 mm (35 mm equivalent) Exposure compensation: -0.7
White
Screen photo	[open image]
Luminance	538 cd/m2
Luminance spread	62 cd/m2 (2 standard deviations)
Exposure value	–1.02 stops (aim for –2 to –3)
Exposure spread	0.17 stops
Area used for calculation	1 x 1
Camera settings	Exposure time: 1/125 ISO: 100 F-number: 3.2 Focal length: 71 mm (35 mm equivalent) Exposure compensation: 1

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.