LEICA M3 and M2 from display advertising industry magazine; camera whose production began in 1953; the M3 is the forerunner of a series of rangefinder cameras; in which the focus is done in a separate viewfinder lens and the shooting angle is automatically defined by a series of small frames set up automatically depending on the optics mounted. Innovative at the time the bayonet. The camera; produced by the company founded by entrepreneur and German optician Ernst Leitz; was marketed in Italy by Ippolito Cattaneo SpA of Genoa. From "Ferrania"; Italy; April 1959