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

Contrast ratio results for Samsung C24FG73 | brightness 15

Contrast ratio 1280:1 (edge: 863:1)
Monitor model Samsung C24FG73 | brightness 15
Submitted 01 Jun 2018 11:17 CEST, by 176.221.*.*
Camera model Fujifilm FinePix S4500
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: 16.7 s (Set EV to +1.8)
image file 2: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time.
Note: image file 2: suggested exposure time: 1/77 s (Set EV to +1.3)
image file 3: Note: image seems to be noisy. Try reducing the ISO setting or increasing the exposure time.
Note: image file 3: suggested exposure time: 11.2 s (Set EV to +1.2)

Black
Screen photo
[open image]
Luminance 0.04 cd/m2
Luminance spread 0.05 cd/m2 (2 standard deviations)
Exposure value –4.27 stops   (aim for –2 to –3)
Exposure spread 2.01 stops
Area used for calculation 0.701 x 0.935
Camera settings Exposure time: 4.9   ISO: 200   F-number: 3.1
Focal length: 52.9 mm   (35 mm equivalent)
Exposure compensation: 0
White
Screen photo
[open image]
Luminance 56 cd/m2
Luminance spread 17 cd/m2 (2 standard deviations)
Exposure value –3.84 stops   (aim for –2 to –3)
Exposure spread 0.45 stops
Area used for calculation 0.701 x 0.935
Camera settings Exposure time: 1/194   ISO: 200   F-number: 3.1
Focal length: 52.9 mm   (35 mm equivalent)
Exposure compensation: 0
Black at screen edge
Screen photo
[open image]
Luminance 0.06 cd/m2
Luminance spread 0.07 cd/m2 (2 standard deviations)
Exposure value –3.7 stops   (aim for –2 to –3)
Exposure spread 1.67 stops
Area used for calculation 0.701 x 0.935
Camera settings Exposure time: 4.9   ISO: 200   F-number: 3.1
Focal length: 52.9 mm   (35 mm equivalent)
Exposure compensation: 0

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.