Lens mounting structure

Details Lens mounting structure Lens mounting structure

1995-07-25

1996-10-29

Gellner, Michael L.

Photography

Camera detail

Lens mount

352231, 359828, G03B 1700

Patent

active

055701531

ABSTRACT:
A combination of camera bodies and detachable lenses including a lens-side and body-side bayonet mounting structure on two format types of lens and camera bodies to allow the mounting of a larger format lens to a smaller format body, and to preclude the mounting of a smaller format lens to a larger format body. The body-side mounts have mounting gaps of predetermined sizes, and the lens-side mounts have mounting members of predetermined sizes to fit in the mounting gaps. The larger format lens-side mounting member is sized to fit into both smaller and larger format mounting gaps, and the smaller lens-side mounting member is sized to fit into only the smaller format mounting gap. Common reference surfaces are provided to all of the mounts to position the lens in the radial and axial directions.

REFERENCES:
patent: Re32049 (1985-12-01), Okura et al.
patent: 2618201 (1952-11-01), Brohl et al.
patent: 2715854 (1955-08-01), Simmons et al.
patent: 4017878 (1977-04-01), Hagiwara
patent: 4199248 (1980-04-01), Schlapp et al.
patent: 4812865 (1989-03-01), Ueyama
User's Manual for Adapter K For 645 Lens (4 pages) May 28, 1984.

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