Combination motion picture camera and viewing apparatus

Details Combination motion picture camera and viewing apparatus Combination motion picture camera and viewing apparatus

1979-01-02

1979-12-18

Hayes, Monroe H.

Optics: motion pictures

Covertible

Camera-projector

352 72, 352 78R, 352129, G03B 1918

Patent

active

041791991

ABSTRACT:
Apparatus is provided for permitting viewing of images carried by a motion picture film strip contained within a film cassette, of the type having a permanent prismatic reflective element at its exposure/projection station, through the taking lens of a motion picture camera. The viewing apparatus includes means for cooperating with the movie camera and the cassette for directing light into the reflecting prism to result in projection of the image carried by the frame of the film strip at the projection station along the taking lens axis of the camera. An optical viewing attachment is provided for establishing visual access along the lens axis. The viewing attachment includes an objective lens disposed along the lens axis to receive an aerial image formed by the camera's taking lens, and a reflective element disposed along the lens axis outwardly from the objective lens to receive the image formed by the objective lens and to direct this image along a viewing axis substantially perpendicular to the lens axis. An adjustable eye piece element is disposed along the viewing axis to permit focusing and viewing therethrough of the image directed thereto by the reflective element.

REFERENCES:
patent: 1624103 (1927-04-01), Knopp
patent: 1774097 (1930-08-01), Hauser et al.
patent: 2282991 (1942-05-01), De Rose
patent: 2854903 (1958-10-01), Land et al.
patent: 2883904 (1959-04-01), De Rose
patent: 3225670 (1965-12-01), Friedman et al.
patent: 3237541 (1966-03-01), Gallagher
patent: 3575081 (1971-04-01), Nerwin
patent: 3615127 (1971-10-01), Land

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