Shutter button

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The shutter button is a button found on many cameras. When pressed, the shutter of the camera opens. On many cameras, the shutter will then close automatically after the shutter speed has elapsed. Some cameras also utilize an electronic shutter (as opposed to a mechanical shutter, which has actual moving parts). The shutter button is one of the most basic features of a camera, even being found on point and shoot models and disposable cameras.