1976-11-01
1978-10-10
Griffin, Donald A.
354155, G03B 1302, G03B 1912
Patent
active
041199855
ABSTRACT:
A view finder mounted on a focusing plate of a reflex camera in which light coming through a taking lens of the camera is reflected upward by a mirror and an image of the object is focused on a focusing plate horizontally located above the mirror. A first mirror is provided above the focusing plate to reflect the light from the focusing plate in parallel to the optical axis of the taking lens of the camera. A second mirror is provided optically behind the first mirror to reflect the light from the first mirror at right angle upwardly or sidewardly. The second mirror is rotatable at right angle about the optical axis of the light from the first mirror to change the direction of reflection. Either the first or second mirror has a roof prism to reverse the right and left of the image reflected thereby. Behind the second mirror is located a magnifier through which the image can be viewed.
REFERENCES:
patent: 2468814 (1949-05-01), Coutant et al.
patent: 3250195 (1966-05-01), Maitani
patent: 3819255 (1974-06-01), Matui
patent: 3845699 (1974-11-01), Feng
Ando Yoshikazu
Yokozato Junichi
Griffin Donald A.
Stults Harold L.
Zenza Bronica Industries, Inc.
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