An image distortion effect caused by the way camera shutters operate at very high shutter speeds. Beyond a certain speed, focal plane shutters, as used in most interchangeable lens cameras, change the way they work. Instead of exposing the whole sensor at once, they expose it in a narrow strip between two shutter curtains passing […]
Global shutter
An advanced kind of electronic shutter that can capture the entire image area at once, instead of scanning it strip by strip. This should eliminate the rolling shutter effect usually associated with electronic shutters and make them much more effective for capturing moving subjects. It does, however, require advanced sensor technology, especially in larger sensor […]
Mechanical shutter
The traditional form of camera shutter, a physical device which blocks light from the sensor until the moment you press the shutter release, then opens to expose the sensor for the required amount of time before it closes again. Mechanical shutters are either focal plane types, just in front of the sensor, or in-lens ‘leaf’ […]
Electronic shutter
Some cameras now offer electronic shutters which start and stop the exposure digitally rather than with a mechanical shutter. These are silent and can offer very high shutter speeds, though most use a ‘scanning’ process which makes them unsuitable for action photography because while the exposure time for any particular strip of the sensor is […]