Lens barrel of a zoom lens

Details Lens barrel of a zoom lens Lens barrel of a zoom lens

1989-04-12

1991-04-30

Arnold, Bruce Y.

G02B 1500, G02B 704

Patent

active

050112732

ABSTRACT:
A lens barrel of a zoom lens is comprised of a plurality of lens groups securely held by respective movable lens holders, a stationary cam ring having one or more stationary cam slots, a movable cam ring having one or more movable cam slots and rotatably supported about the stationary cam ring, and one or more pins extending through the stationary cam ring and the movable cam ring for connecting the first and second movable lens holders to move them together at the time of zooming.

REFERENCES:
patent: 4472032 (1984-09-01), Kamata et al.
patent: 4576446 (1986-05-01), Kamata
patent: 4834514 (1989-05-01), Atsuta et al.

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