Photo-taking lens and optical apparatus

Details Photo-taking lens and optical apparatus Photo-taking lens and optical apparatus

1997-03-05

1999-10-26

Epps, Georgia

Optical: systems and elements

Lens

With variable magnification

G02B 1514

Patent

active

059738570

ABSTRACT:
A zoom lens in which a lens group is driven in response to an operation member provided on a body to which the zoom lens is attached, includes a rotary manual ring disposed on a lens barrel, and a driving part arranged to drive the lens group in accordance with a rotating state of the manual ring.

REFERENCES:
patent: 4864344 (1989-09-01), Arakawa et al.
patent: 4925282 (1990-05-01), Kanno et al.
patent: 5526188 (1996-06-01), Kanno et al.
patent: 5576894 (1996-11-01), Kuwana et al.

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