Photographic film magazine combined with a coded multipurpose film strip and focusing screen

Abstract

Abstract FOCUSING APPARATUS FOR A CAMERA HAVING A LENS, AN IMAGE FOCAL PLANE, AND AN OPENABLE BACK, TO AID IN FOCUSING THE CAMERA FOR TAKING PHOTOGRAPHS, INCLUDING AN IMAGE-FOCUS PRESSURE PLATE HAVING MEANS THEREON FOR RESOLVING AN IMAGE, AND A FILM STRIP DIVIDED LONGITUDINALLY INTO A PLURALITY OF DIVISIONS EACH INCLUDING ADHESIVE SEALING MEANS AND A PHOTOSENSITIZED EXPOSURE PORTION, A TRANSPARENT WINDOW PORTION AND AN OPAQUE ENCLOSURE PORTION. TEH FILM STRIP IS ADAPTED TO BE DRAWN FROM A SPOOL OR FILM MAGAZINE HAVING ADHESIVE CLEARANCE CHANNEL MEANS ACROSS THE IMAGE FOCAL PLANE OF THE CAMERA, AND THE IMAGE-FOCUS PRESSURE PLATE IS ADAPTED TO OVERLIE THE FILM STRIP AND IMAGE PLANE, SO THAT WITH THE CAMERA BACK OPENED AND A WINDOW PORTION OF THE FILM STRIP ALIGNED WITH THE IMAGE-FOCUS PRESSURE PLATE, AN IMAGE PROJECTED THROUGH THE CAMERA LENS CAN BE FOCUS ON THE IMAGE FOCUS PRESSURE PLATE AND VISUALLY OBSERVED TO AID IN FOCUSING THE CAMERA, SAID ENCLOSURE PORTIONS AND SEALING MEANS OF THE FILM SHIELDING THE PHOTOSENSITIZED PORTIONS TO PREVENT EXPOSURE THEREOF WHEN THE CAMERA BACK IS THUS OPENED, AND SAID IMAGE-FOCUS PRESSURE PLATE AND FILM STRIP BEING CONSTRUCTED SUCH THAT PHOTOGRAPHS CAN BE TAKEN WITH THE IMAGE-FOCUS PRESSURE PLATE IN POSITION IN THE CAMERA. D R A W I N G

Inventors

• 👤 B Scott

Bibliographic Details