Optical: systems and elements – Prism – With reflecting surface
Patent
1991-11-04
1994-05-24
Gellner, Michael L.
Optical: systems and elements
Prism
With reflecting surface
354 79, 354288, 359363, G03B 708
Patent
active
053153448
ABSTRACT:
Photographic apparatus having both automatic and manual modes of operation is adapted for coupling to a microscope. the apparatus includes a viewfinder for viewing a scene in the microscope and an exposure controlling photometer for measuring the scene brightness. In addition, a rotatably mounted disc shutter is provided having an opening therein for generating a photographic image producing exposure interval and having a pair of mirrors supported thereon for movement therewith, for respectively directing image-bearing scene light to the viewfinder and to the photometer prior to an exposure. In the automatic mode, movement of the disc shutter is under the control of a microprocessor whereas in the manual mode, such movement is under operator control.
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Clark Peter P.
Miller Douglas E.
Mulford Deborah A.
Ostrowski John C.
Gellner Michael L.
Kelleher John J.
Polaroid Corporation
Spyrou Cassandra C.
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