The Graflex RB is a single-lens reflex camera, the last of the family of field cameras known as "Graflex cameras", in contrast to the "Graphic" Graflex cameras. This model was produced between 1928-1947. It features a rotating back (abbreviated to RB), 4" x 5" plate holder, a light-excluding focusing-hood, interchangeable film holders, extensible lens with hood, and a f/4.5 anastigmat lens with a focal length of 7-1/2 inches (190mm), and is is designed to be held at waist height for use. The Graflex was used in the USA Navy and favoured for its ability to capture outdoor and action scenes. The aperture and tension can be adjusted according to the shutter speed plate, a table mounted on the side of the camera indicating adjustments. The Graflex RB series D is composed of straight-grain Honduras mahogany covered with black Morocco leather and chrome details.
This camera is accompanied by a carrying case of wood, black leather, and green felt. It contains one camera instruction manual: "Instruction manual for Graflex Cameras: RB Super D & RB Series B: Also Earlier Models including Series B, RB Series D, Auto, RB Auto, Auto Jr., RB Tele & RB Jr." It also contains 7 film holders and one replacement rotating back. The back piece is inscribed with: "Graflex Cute film Magazine: Pat Sept 7, 1920 Other Patents Pending: Made in U.S.A. by Folmer Graflex Corporation Rochester, N.Y., U.S.A., 43. For use of this alternate back, the camera back must be removed and rotated.