Abstract: A camera comprises a box-shaped housing open on the back side and including a front wall, end walls, a bottom wall and a top wall; an exposure chamber formed integral with said bottom wall at a central area thereof and open on the back side to provide an exposure window; a film cartridge receiving chamber defined by said walls of the housing and the side walls of said exposure chamber and open on the back side to provide an access opening; spring means formed on the bottom wall of said cartridge receiving chamber; on the opposite sides of said exposure chamber, a film cartridge adapted to be loaded in said cartridge receiving chamber and including film storage and film take-up portions for engaging said spring means and a film guide portion connecting between said storage and take-up portions; said cartridge receiving chamber including first and second compartments for receiving said film storage and take-up portions of the film cartridge, respectively; and two openings formed in said front wall of the housin