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 […]
In lens (leaf) shutter
A shutter mechanism inside the lens which uses interlocking leaves to block the light until the moment of exposure. When the shutter is fired the leaves spring backwards to let light pass through the lens and then close again to end the exposure.