Lens barrel

Details Lens barrel Lens barrel

1983-08-19

1985-04-02

Adams, Russell E.

354406, 3541951, 35419513, 354286, G03B 300

Patent

active

045084432

ABSTRACT:
A lens barrel is capable of selectively establishing a power focus mode in which an internally housed motor moves a taking lens to a position of any desired focal length, a single "auto-focus" mode in which the taking lens is moved to a position which is in focus to a stationary object being photographed, and a sequence "auto-focus" mode in which the taking lens is continuously moved in focus to a moving object being photographed. Any one of these modes is suitably selected by a mode changing switch. A movement of the taking lens in each mode is initiated by an operating member.

REFERENCES:
patent: 4178087 (1979-12-01), Shenk et al.
patent: 4299457 (1981-11-01), Ducommun
patent: 4348089 (1982-09-01), Shenk
patent: 4359276 (1982-11-01), Tomori
patent: 4400075 (1983-08-01), Tomori et al.
patent: 4404595 (1983-09-01), Ushiro et al.
patent: 4413893 (1983-11-01), Tomori
patent: 4416526 (1983-11-01), Tomori et al.

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