Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1987-02-04
1989-02-21
Arnold, Bruce Y.
Optics: measuring and testing
Range or remote distance finding
With photodetection
350286, 350315, 356302, 356404, 356419, G02B 504, G01J 314, G01J 346, G01J 351
Patent
active
048059900
ABSTRACT:
A hand-held prism and support structure, in which a positioning element is engageable with the head of a viewer for orientation and manipulation to position the prism as to enable the viewer to receive refracted light from a scene which is in advance of the viewer. The prism has an upper face and a pair of depending and converging faces, the positioning element being engageable with the nose of the viewer. A filter strip comprising different color filters is provided in advance of the prism and one eye of the viewer, there being a prism without a filter in advance of the other eye.
A method of color photography includes viewing a refracted and, optionally, color-filtered image of a scene, and photographing the scene using color sensitive film and, optionally, a color filter.
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Arnold Bruce Y.
Callaghan Terry S.
Lavine Irvin A.
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