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Shutter Type

The shutter is a device in a camera that regulates the duration for which light strikes the image sensor. There are two basic types. A mechanical shutter uses physical blades that open and close for a set time, thereby physically exposing and covering the sensor. The second type is the electronic shutter, which has no moving parts and operates on the principle of digital activation and deactivation of the sensor's pixels themselves. The electronic shutter allows for silent operation and achieving very short exposure times, but with fast-moving objects, it can cause image distortion known as the “rolling shutter” effect, where the image appears deformed due to the sequential reading of data from the sensor. Some cameras also offer hybrid modes, for example, electronic first-curtain shutter (EFCS), which combines the properties of both systems to reduce vibrations.

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