Photography – Exposure control circuit – Maximum or minimum f-number responsive
Patent
1995-07-20
1997-09-23
Gray, David M.
Photography
Exposure control circuit
Maximum or minimum f-number responsive
396331, G03B 3508
Patent
active
056714505
ABSTRACT:
A stereo image forming adapter mounted forwardly of the zoom lens of a camera is provided with a plurality of deflecting members disposed at spacing intervals for deflecting light from an object, and a reflecting member for reflecting light flux from each of the deflecting members toward the zoom lens, the spacing interval between deflecting members is varied in operative association with expansion and contraction of the focal length resulting from zooming of the zoom lens.
REFERENCES:
patent: 4437745 (1984-03-01), Hajnal
patent: 5532777 (1996-07-01), Zanen
Canon Kabushiki Kaisha
Gray David M.
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