Zoom lens barrel and optical equipment

Details Zoom lens barrel and optical equipment Zoom lens barrel and optical equipment

2007-01-09

2007-01-09

Schwartz, Jordan (Department: 2873)

Optical: systems and elements

Lens

With support

C359S701000, C359S822000, C359S739000

Reexamination Certificate

active

10938338

ABSTRACT:
For the purpose of miniaturizing a zoom lens barrel, a zoom lens of the present invention comprises one lens group which moves at the time of variable power, one diaphragm member which moves at the time of variable power, and a cam member which has a cam section for a lens group, which guides the movement of the above-mentioned lens group at the time of variable power, and a cam section for a diaphragms which guides the movement of the above-mentioned diaphragm member at the time of variable power, wherein the above-mentioned cam section for a lens group and the above-mentioned cam section for a diaphragm are coupled.

REFERENCES:
patent: 5376983 (1994-12-01), Yamazaki et al.
patent: 5485236 (1996-01-01), Arai et al.
patent: 6246832 (2001-06-01), Terada
patent: 6724541 (2004-04-01), Noguchi
patent: A 2000-321476 (2000-11-01), None

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