Photography – Camera detail – Lens mount
Patent
1997-01-22
2000-07-18
Mathews, Alan A.
Photography
Camera detail
Lens mount
359828, G03B 1714
Patent
active
060897619
ABSTRACT:
A second camera system is different from a first camera system in size of film to be used. While the first camera system is composed of a first camera body having a first camera bayonet mount and using a film of a first size and a first interchangeable lens having a first lens bayonet mount which is connectable to the first camera bayonet mount of the first camera body, the second camera system is composed of a second camera body having a second camera bayonet mount of which a configuration angle of a bayonet claw is different from that of the first camera bayonet mount and using a film of a second size which is smaller than the first size and a second interchangeable lens having a second lens bayonet mount which is connectable to the second camera bayonet mount and of which a configuration angle of a bayonet claw is different from that of the first lens bayonet mount, wherein the configuration angle of the bayonet claw of the second camera bayonet mount is set such that the second camera bayonet mount is connectable to both the first lens bayonet mount and the second lens bayonet mount, and the configuration angle of the bayonet claw of the second lens bayonet mount is set such that the second lens bayonet mount is connectable only to the second camera bayonet mount.
REFERENCES:
patent: 4199248 (1980-04-01), Schlapp et al.
patent: 5570153 (1996-10-01), Shono
Patent Abstracts of Japan No. JP 02 033267 A, published Feb. 2, 1990.
Patent Abstracts of Japan No. JP 02 033268 A, published Feb. 2, 1990.
Patent Abstracts of Japan No. JP 02 035428 A, published Feb. 6, 1990.
Patent Abstracts of Japan No. JP 07 128723 A, published May 19, 1995.
Canon Kabushiki Kaisha
Mathews Alan A.
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