The Canon AE-1 Program is a 35 mm single-lens reflex camera that uses the Canon FD lens mount manufactured by Canon Camera K. K. in Japan and introduced in April 1981 as the successor to the Canon AE-

In photography, the shutter-release button is a push-button found on many cameras, used to record photographs. When pressed, the shutter of the camera is "released", so that it opens to capture a pict