Contrast ratio results for Samsung Syncmaster 244t

Black
Contrast ratio	191:1 (edge: 216:1)
Monitor model	Samsung Syncmaster 244t
Submitted	29 Dec 2010 22:58 CET, by 209.6..
Camera model	Olympus C8080WZ
Processing remarks	Warning: image file 1: camera was zoomed in too much. Warning: image file 1: automatic white balance can cause inaccuracies. Warning: image file 1: Underexposed. Please increase the shutter time. Note: image file 1: suggested exposure time: 15.0 s (Set EV to +3.9) Warning: image file 2: camera was zoomed in too much. Warning: image file 2: automatic white balance can cause inaccuracies. Warning: image file 2: Underexposed. Please increase the shutter time. Note: image file 2: suggested exposure time: 1/13 s (Set EV to +5.0) Warning: image file 3: camera was zoomed in too much. Warning: image file 3: automatic white balance can cause inaccuracies. Warning: image file 3: Underexposed. Please increase the shutter time. Note: image file 3: suggested exposure time: 17.0 s (Set EV to +4.1)
Screen photo	[open image]
Luminance	0.12 cd/m2
Luminance spread	0.13 cd/m2 (2 standard deviations)
Exposure value	–6.41 stops (aim for –2 to –3)
Exposure spread	1.88 stops
Area used for calculation	1 x 1
Camera settings	Exposure time: 1 ISO: 50 F-number: 2.4 Focal length: 80.6 mm (35 mm equivalent) Exposure compensation: 0
White
Screen photo	[open image]
Luminance	22 cd/m2
Luminance spread	19 cd/m2 (2 standard deviations)
Exposure value	–7.47 stops (aim for –2 to –3)
Exposure spread	1.35 stops
Area used for calculation	1 x 1
Camera settings	Exposure time: 1/400 ISO: 50 F-number: 2.4 Focal length: 77.8 mm (35 mm equivalent) Exposure compensation: 0
Black at screen edge
Screen photo	[open image]
Luminance	0.1 cd/m2
Luminance spread	0.11 cd/m2 (2 standard deviations)
Exposure value	–6.59 stops (aim for –2 to –3)
Exposure spread	1.67 stops
Area used for calculation	1 x 1
Camera settings	Exposure time: 1 ISO: 50 F-number: 2.4 Focal length: 80.6 mm (35 mm equivalent) Exposure compensation: 0

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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.