This camera was introduced in 1968 and used the Kodak 126 cassette film format. It has an aluminum body with the bottom front being black plastic. It also uses flash cubes that need to be turned manually to the next flash bulb. The Simplex 45 has motorized frame advance, shutter speeds of 1/50 to 1/200 of a second, selenium meter with a needle in the viewfinder, a film view window in the back cover for frame count, and an eye level optical viewfinder. The cameras battery compartment holds two AA batteries that power the flash cube socket. USC made two esthetically different models that are mechanically identical. One with the SIMPLEX 45 logo and MOTORIZED-ELECTRIC EYE under that on one side plus a specialized placard with a US icon and MADE IN USA under the icon. The other model has United States Camera with the USC logo under that on one side and SIMPLEX 45 on the other. The United States Camera Corporation was based in 17 North Loomis Street, Chicago 7, Illinois (U.S.A.). It was an alternate name of the Pho-Tak Corporation, at the same address.