An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area.
A battery grip is an accessory for an SLR/DSLR (and occasionally other cameras), which allows the camera to hold multiple batteries to extend the battery life of the camera, and adds a vertical grip with an extra shutter release (and other controls), facilitating the shooting of portrait photography.
A camera is an optical instrument for recording or capturing images, which may be stored locally, transmitted to another location, or both.
The Eastman Kodak Company (referred to simply as Kodak) is an American technology company that produces imaging products with its historic basis on photography.
The Kodak DCS 400 series was a series of Nikon based digital SLR cameras with sensor and added electronics produced by Eastman Kodak.
The Nikon F-801 (sold as the N8008 in the US market) is a 35mm SLR of the late 1980s.
The Nikon F-mount is a type of interchangeable lens mount developed by Nikon for its 35mm format Single-lens reflex cameras.
A single-lens reflex camera (SLR) is a camera that typically uses a mirror and prism system (hence "reflex" from the mirror's reflection) that permits the photographer to view through the lens and see exactly what will be captured.
135 is photographic film in a film format used for still photography.