Invention Grant
US07675688B2 Zoom lens system, optical device with zoom lens system, and method of manufacturing zoom lens system
有权
变焦镜头系统，具有变焦镜头系统的光学装置，以及制造变焦镜头系统的方法
- Patent Title: Zoom lens system, optical device with zoom lens system, and method of manufacturing zoom lens system
- Patent Title (中): 变焦镜头系统，具有变焦镜头系统的光学装置，以及制造变焦镜头系统的方法
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Application No.: US12335222Application Date: 2008-12-15
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Publication No.: US07675688B2Publication Date: 2010-03-09
- Inventor: Toshiyuki Shimada
- Applicant: Toshiyuki Shimada
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Miles & Stockbridge P.C.
- Priority: JPP2007-331793 20071225
- Main IPC: G02B15/14
- IPC: G02B15/14
Abstract:
A zoom lens system comprising, in order from an object along an optical axis: a first lens group having a negative refractive power; a second lens group having a positive refractive power; and a third lens group having a positive refractive power; the following conditional expression being satisfied: 0.6
Public/Granted literature
- US20090161229A1 ZOOM LENS SYSTEM, OPTICAL DEVICE WITH ZOOM LENS SYSTEM, AND METHOD OF MANUFACTURING ZOOM LENS SYSTEM Public/Granted day:2009-06-25
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