Camera having a zoom lens

Details Camera having a zoom lens Camera having a zoom lens

1997-11-28

1999-08-10

Adams, Russell

Photography

Having variable focal length of camera objective

Power zoom

396 72, G03B 1700

Patent

active

059372150

ABSTRACT:
Disclosed is a camera which includes a lens having a plurality of lens groups, at least one of the plurality of lens groups being moved in a direction of an optical axis to vary a focal length of the lens. The camera further includes a cam cylinder, driven to rotate about a rotational axis of the cam cylinder, for moving the at least one of the plurality of lens groups. The plurality of lens groups and the cam cylinder are not coaxially arranged. The plurality of lens groups are positioned outside the cam cylinder.

REFERENCES:
patent: 4799073 (1989-01-01), Asano et al.
patent: 5130851 (1992-07-01), Shirie
patent: 5146260 (1992-09-01), Yamamoto
patent: 5321454 (1994-06-01), Mogamiya
patent: 5592250 (1997-01-01), Shimizu
patent: 5640278 (1997-06-01), Mogamiya

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