The Fuji GA645i is a medium format film camera that was introduced by Fuji in 1997. It features a fixed 60mm f/4 lens, which provides a focal length equivalent to 35mm in 35mm format. The camera has an autofocus system that uses a passive infrared sensor for quick and accurate focusing. It also has a built-in light meter that measures the scene and sets the exposure automatically. The GA645i has a fully automatic mode, as well as aperture priority and manual exposure modes for more control over the exposure settings. It has a built-in motor drive that advances the film automatically, and it can also be used with a motorized film back for continuous shooting. The camera has a bright and clear viewfinder that shows the focusing distance, exposure information, and other settings. It has a built-in flash that can be used in various modes, including red-eye reduction. The GA645i is a versatile and easy-to-use camera that is well-suited for both professional and amateur photographers.