Shutter apparatus for stereoscopic cameras

Details Shutter apparatus for stereoscopic cameras Shutter apparatus for stereoscopic cameras

1992-11-12

1994-05-17

Hayes, Monroe H.

354254, 354255, 354261, 354114, G03B 910

Patent

active

053132394

ABSTRACT:
A shutter apparatus for stereoscopic cameras for simultaneously taking a pair of stereoscopic photographs. A coupled shutter leaf is produced by integrally connecting two shutter leaves respectively disposed on two photographing lens portions provided with spots having different apertures. The coupled shutter leaf is rotatably supported by a connecting portion. The shutter leaf disposed at the photographing portion provided with the stop having a smaller aperture has a smaller width, and a weight for compensating for the weight of the shutter leaf which is reduced as a result of reducing the width thereof is provided. The exposure time of the photographing portion provided with the stop having a smaller aperture is longer than that of the other photographing portion, so that the quantity of incident light at the two photographing portions is the same. It is also possible that the shutter leaves have the same width and the connecting portion for rotatably supporting the coupled shutter leaf is shifted from the center of the two stops closer to the stop having a large aperture.

REFERENCES:
patent: 2361661 (1944-10-01), Sparling
patent: 3446132 (1969-05-01), Fauth

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