The Canon AE-1 Program is a 35mm SLR film camera that was introduced by Canon in 1981. It is an upgraded version of the popular Canon AE-1, featuring a Program mode that automatically sets the aperture and shutter speed for easy shooting. The camera has a solid build with a metal body and a comfortable grip. It is powered by a single 4LR44 6V battery, which provides power to the metering system and the electronic shutter. The AE-1 Program has a bright and clear viewfinder with a split-image focusing aid and a microprism collar. It has a horizontal cloth focal plane shutter with speeds ranging from 2 seconds to 1/1000th of a second, as well as a Bulb mode for long exposures. The camera supports interchangeable lenses and has a Canon FD lens mount. It also features a self-timer, exposure compensation, and a hot shoe for attaching an external flash. The AE-1 Program is a reliable and versatile camera that is suitable for both beginners and experienced photographers.