All cameras have a shutter mechanism to expose the sensor for exactly the right amount of time. The shutter opens to begin the exposure and then closes again to end it. Most cameras have mechanical shutters, though you can also get electronic shutters, which we’ll come to a little later. Mechanical shutters come in two […]
Rolling shutter
An image distortion effect caused by the way camera shutters operate at very high shutter speeds and particularly relevant to electronic shutters and video, where subject or camera movement can appear skewed because it happens while the sensor is capturing data in ‘strips’.