If the camera's shutter is slow with respect to the object's movement, the picture is blurry.
Such adjustments take time, causing a lag between pressing the shutter-release button and actually capturing the image.
To fail better and more knowingly with each click of the shutter.
To keep them open, engineers apply a voltage--a positive voltage on the shutter itself and a negative voltage on the back wall.
Good beach photos often include silky-looking waves, a trick achieved through slow shutter speeds.
Everybody tells you that you need a super high shutter speed, but not necessarily and not always.
If you have calm air you can get away with a surprisingly show shutter speed.
Hopefully your camera will have a shutter speed long enough for what you are shooting.
The motion of pushing the shutter often blurs the first frame but the second and third frames are much sharper.
Anticipation is a skill that all great photographers draw on when searching for the right moment to press the shutter.
British Dictionary definitions for shutter
a hinged doorlike cover, often louvred and usually one of a pair, for closing off a window
put up the shutters, to close business at the end of the day or permanently
(photog) an opaque shield in a camera that, when tripped, admits light to expose the film or plate for a predetermined period, usually a fraction of a second. It is either built into the lens system or lies in the focal plane of the lens (focal-plane shutter)
(photog) a rotating device in a film projector that permits an image to be projected onto the screen only when the film is momentarily stationary
(music) one of the louvred covers over the mouths of organ pipes, operated by the swell pedal