Samsung NX100 User Manual (user Manual) (ver.1.2) (English) - Page 14

Shutter speed, will be let in. Likewise, the smaller the EV number, the more light will - controller manual

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Concepts in Photography Shutter speed Shutter speed refers to the amount of time it takes to open and close the shutter, and it is an important factor in the brightness of a photo, as it controls the amount of light which passes through the aperture before it reaches the image sensor. Usually, the shutter speed is manually adjustable. The measurement of the shutter speed is known as the "Exposure Value" (EV), which is marked in intervals of 1 s, 1/2 s, 1/4 s, 1/8 s, 1/15 s, 1/1000 s, 1/2000 s, and so on. The numbers indicated on the camera are the denominators of exposure values, which means that the higher the number, the less light will be let in. Likewise, the smaller the EV number, the more light will be let in. As the photos below illustrate, a slow shutter speed allows more time to let light in, so the photo becomes brighter. On the other hand, a fast shutter speed allows less time to let light in and the photo becomes darker and more easily freezes subjects in motion. Exposure +1 EV -1 EV 1 s 1/2 s 1/4 s 1/8 s 1/15 s 1/30 s Shutter Speed 0.8 s 0.004 s 13

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Concepts in Photography
Shutter speed
Shutter speed refers to the amount of time it takes to open and close
the shutter, and it is an important factor in the brightness of a photo, as
it controls the amount of light which passes through the aperture before
it reaches the image sensor.
Usually, the shutter speed is manually adjustable. The measurement
of the shutter speed is known as the “Exposure Value” (EV), which is
marked in intervals of 1 s, 1/2 s, 1/4 s, 1/8 s, 1/15 s, 1/1000 s, 1/2000
s, and so on.
Exposure
+1 EV
-1 EV
1 s
1/2 s
1/4 s
1/8 s
1/15 s
1/30 s
Shutter Speed
The numbers indicated on the camera are the denominators of
exposure values, which means that the higher the number, the less light
will be let in. Likewise, the smaller the EV number, the more light will be
let in.
As the photos below illustrate, a slow shutter speed allows more time
to let light in, so the photo becomes brighter. On the other hand, a fast
shutter speed allows less time to let light in and the photo becomes
darker and more easily freezes subjects in motion.
0.8 s
0.004 s