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mattblaze@federate.social ("Matt Blaze") wrote:

Some background. There are two main kinds of mechanical shutters used to control exposure time in still cameras: "focal plane" shutters, which are built in to the camera and cover the sensor or film plane, and "leaf" shutters, built in to the lens right at the aperture (f-stop) iris. Digital cameras sometimes have a third kind, "electronic", in which the sensor is turned on for a controlled duration with no mechanical cover to open and close.

There are advantages and disadvantages to each.