automatically in accordance with markings or other means indicating film speed or kind of film on the magazine to be inserted in the camera

Full Title

Control of exposure by setting shutters, diaphragms or filters, separately or conjointly (control of exposure in television cameras by means of circuitry influencing the optical part of the camera H04N23/75) > automatically in accordance with markings or other means indicating film speed or kind of film on the magazine to be inserted in the camera