Movie camera producing supplemental exposure through back of...

Details Movie camera producing supplemental exposure through back of... Movie camera producing supplemental exposure through back of...

G - Physics

03

B

95/3, 95/43, 95/

G03B 19/18 (2006.01)

Patent

CA 1122453

Abstract of the Disclosure A motion picture camera having an in-camera supplemental exposure system in which a light source within the camera is energized in synchronization with the shutter opening to provide a low-level, non-image forming exposure of the film substantially simultaneously with the image- forming exposure. The supplemental exposure light is directed to the side of the film's emulsion layer opposite from the side exposed to the image-forming light. The camera also includes an arrangement permitting adjustment of the length of time that the supplemental light remains energized, and the intensity of the supplemental light. In one embodiment selection of the wavelength of the supplemental light is also provided.

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