Lens barrel and optical apparatus

Details Lens barrel and optical apparatus Lens barrel and optical apparatus

Filed on

1997-06-20

Date issued

1998-11-24

Examiner

Perkey, W. B.

Patent Class

Photography

SubClass

Having variable focal length of camera objective

Other Related Categories

359676, 359740, 396505, G03B 902, G02B 1514, G02B 900

Type

Patent

Status

active

Patent number

058420550

Description

ABSTRACT:
A lens barrel or an optical apparatus comprises a lens unit arranged to be movable in an optical axis direction, a plurality of shafts which hold a stop arranged to block undesirable light and which extend in the optical axis direction, and a support member which supports the plurality of shafts while allowing the plurality of shafts to be moved in the optical axis direction, wherein the plurality of shafts are moved by being pushed by the lens unit, thereby moving the stop.

REFERENCES:
patent: 5353081 (1994-10-01), Quattrini
patent: 5434714 (1995-07-01), Kohmoto et al.

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