What are the general shutter types?

Lens shutter: Also called blade shutter, located in the middle of the lens. Flash photography, shutter speed is not limited, the main disadvantage is that high-speed gear is difficult to be faster than one hundredth of a second.

Curtain shutter: Also called focal plane shutter, it is located near the focal plane of the camera and consists of two curtains. When flashing, shutter speed is limited. The high gear can reach one thousandth of a second.

Electronic shutter: an electronic delay circuit and other devices automatically control the shutter speed, which is common in aperture priority type.

Mechanical shutter: the photographer adjusts the shutter speed required on the camera by mechanical speed regulation. It can be divided into manual control and automatic control. Behind the mirror.