Camera with light measuring device

Claim 1

IN COMBINATION WITH A CAMERA RECEIVING LIGHT ALONG A PREDETERMINED LIGHT PATH, A LIGHT MEASURING DEVICE INCLUDING: (A) SUPPORTING MEANS LOCATED EXTERNALLY OF THE LIGHT PATH; (B) A PLURALITY OF ARMS HAVING INNER AND OUTER ENDS; (C) PHOTOSENSITIVE ELEMENTS RESPECTIVELY CARRIED BY THE INNER ENDS OF SAID ARMS; (D) MEANS MOUNTING SAID OUTER ENDS OF SAID ARMS ON SAID SUPPORTING MEANS FOR SWINGING MOVEMENT OF SAID ARMS IN A PLANE PERPENDICULAR TO THE LIGHT PATH FROM INOPERATIVE POSITIONS WHEREIN SAID ARMS AND SAID PHOTOSENSITIVE ELEMENTS ARE LOCATED EXTERNALLY OF THE LIGHT PATH, THROUGH A SERIES OF FIRST OPERATIVE POSITIONS WHEREIN SAID PHOTOSENSITIVE ELEMENTS ARE UNIFORMLY SPACED APART WITHIN SAID LIGHT PATH, TO SECOND OPERATIVE POSITIONS WHEREIN SAD PHOTOSENSITIVE ELEMENTS ARE IN JUXTAPOSITION AT THE CENTER OF SAID LIGHT PATH; (E) ACTUATING MEANS FOR SWING SAID ARMS BETWEEN SAID INOPERATIVE POSITIONS AND SAID SECOND OPERATIVE POSITIONS THROUGH SAID FIRST OPERATIVE POSITIONS; AND (F) SAID PHOTOSENSITIVE ELEMENTS BEING ELECTRICALLY INTERCONNECTED TO PROVIDE A COMPOSITE MEASUREMENT OF THE LIGHT INCIDENT THEREON.