Lens device of a camera having a zoom lens, and zoom camera

Details Lens device of a camera having a zoom lens, and zoom camera Lens device of a camera having a zoom lens, and zoom camera

2005-12-27

2005-12-27

Epps, Georgia (Department: 2873)

Optical: systems and elements

Lens

With variable magnification

C359S696000, C359S701000

Reexamination Certificate

active

06980370

ABSTRACT:
Even if a stop position during focus adjustment becomes irregular, it is made possible to focus on an object, and also a circuit construction for the focus adjustment can be simplified to thereby make the cost low. For this purpose, the lens device has a zoom lens comprising a plurality of lens units, and a lens driving member for operating the plurality of lens units for the adjustment of zoom and focus, and the lens driving member has at least first areas20a,20ccontinuing to focus on a first object distance and second areas20b,20dcontinuing to focus on a second object distance on a shorter distance side than the first object distance, within a predetermined range in the operating process of the plurality of lens units for the zoom adjustment.

REFERENCES:
patent: 6266486 (2001-07-01), Kohno
patent: 2002/0141074 (2002-10-01), Nakane
patent: 2002/0141081 (2002-10-01), Onda
patent: 2004/0027687 (2004-02-01), Bittner et al.

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