Contrast ratio results for SONY 32W4000

Black
Contrast ratio	2667:1
Monitor model	SONY 32W4000
Submitted	05 Feb 2009 23:21 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: 1/78 s (Set EV to -0.6)
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	120 cd/m2
Luminance spread	12 cd/m2 (2 standard deviations)
Exposure value	–0.87 stops (aim for –2 to –3)
Exposure spread	0.14 stops
Area used for calculation	0.896 x 0.896
Camera settings	Exposure time: 1/25 ISO: 100 F-number: 3.2 Focal length: 62 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.