A bayonet catch for photographic cameras with interchangeable objectives with the bayonet coupling

摘要

A photographic camera arrangement is disclosed for cameras which are intended to accept only certain interchangeable lens assemblies. For identification purposes, the bayonet segments of the camera housing and the bayonet segments of the lens assembly, respectively, are furnished with depressions, notches or like recesses and with stubs, ridges or like protrusions which will permit attachment of certain lens assemblies to only a given camera or series of cameras.