Zoom lens barrel with shutter mounting unit

Details Zoom lens barrel with shutter mounting unit Zoom lens barrel with shutter mounting unit

1996-12-30

1999-04-06

Blankenship, Howard B.

Photography

Camera detail

Shutter

359819, G03B 908

Patent

active

058929991

ABSTRACT:
A lens supporting mechanism for a lens shutter camera includes a front lens group, a lens supporting barrel, a movable barrel, a rear lens group, and a shutter mounting barrel which includes a shutter with an AE function. The front lens group is fixed to the lens supporting barrel. Both the lens supporting barrel and the shutter mounting barrel are fixed to the movable barrel. The rear lens group is attached to either the movable barrel or the shutter mounting barrel such that the rear lens group is movable along the optical axis relative to the moveable barrel. During operation of the zoom lens, the movable barrel advances and retreats along the optical axis.

REFERENCES:
patent: 4309077 (1982-01-01), Tomori
patent: 4865432 (1989-09-01), Aoyagi et al.
patent: 4910544 (1990-03-01), Nomura
patent: 5157429 (1992-10-01), Haraguchi et al.
patent: 5231449 (1993-07-01), Nomura
patent: 5245476 (1993-09-01), Shono
patent: 5305145 (1994-04-01), Tanaka
patent: 5453807 (1995-09-01), Iizuka
patent: 5488513 (1996-01-01), Tanaka
patent: 5510936 (1996-04-01), Aoki et al.
patent: 5774748 (1998-06-01), Ito et al.
A United Kingdom Search Report, dated Apr. 16, 1997, with UK Application No. 9701434.4.

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