Exposure value
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In photography, exposure value is a number that represents a combination of a camera's shutter speed and f-number, such that all combinations that yield the same exposure have the same EV. Exposure va
Fast shutter speed (short exposure time) of a breaking wave
Slow shutter speed (long exposure time) of a breaking wave
Extended exposure time of 26 seconds
Robert Kaufmann's posographe or exposure calculator from 1922
Shutter speed
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In photography, shutter speed or exposure time is the length of time that the film or digital sensor inside the camera is exposed to light when taking a photograph. The amount of light that reaches th
A spoon falling in water, taken at 1⁄2000 s
The shutter speed dial of a Nikkormat EL
Slow shutter speed combined with panning the camera can achieve a motion blur for moving objects.
An extended exposure can also allow photographers to catch brief flashes of light, as seen here. Exposure time 15 seconds.