Invention Grant
- Patent Title: Zoom lens, optical apparatus, and method for manufacturing the zoom lens
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Application No.: US14374711Application Date: 2012-11-02
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Publication No.: US09645366B2Publication Date: 2017-05-09
- Inventor: Takahiro Ishikawa
- Applicant: Nikon Corporation
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Shapiro, Gabor and Rosenberger, PLLC
- Priority: JP2012-013568 20120125
- International Application: PCT/JP2012/007035 WO 20121102
- International Announcement: WO2013/111222 WO 20130801
- Main IPC: G02B15/16
- IPC: G02B15/16 ; G02B9/34 ; G02B15/173
Abstract:
Provided is a zoom lens having, in order from an object, a first lens group (G1) having positive refractive power, a second lens group (G2) having negative refractive power, a third lens group (G3) having positive refractive power, and a fourth lens group (G4) having positive refractive power, wherein the first lens group (G1), the second lens group (G2) and the third lens group (G3) move along the optical axis for zooming, and the conditional expressions (1) and (2) are satisfied. 8.000
Public/Granted literature
- US20150036225A1 ZOOM LENS, OPTICAL APPARATUS, AND METHOD FOR MANUFACTURING THE ZOOM LENS Public/Granted day:2015-02-05
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