EXPOSURE CONTROLLER FOR PSEUDO TELESCOPIC PHOTOGRAPHIC CAMERA

摘要

An exposure control for a pseudo telephoto camera having an objective lens (1) for focusing an image of a subject on a film frame (F) and a manually operated device (9) movable to select a pseudo telephoto field of view reduced from the actual field of view of the objective lens to cover only a portion of the subject, is characterized by comprising a photosensitive element (117) disposed to receive light reflected from the subject to provide a measure of the brightness of the light and a light control (3) responsive to movement of the manually operated device (9) to select the pseudo telephoto field of view for controlling the amount of light reaching the photosensitive element (117) in proportion to the amount of light available to the pseudo telephoto field of view.