Invention Grant
- Patent Title: Imaging lens, optical apparatus and method for forming image using this imaging lens
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Application No.: US12421323Application Date: 2009-04-09
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Publication No.: US07940478B2Publication Date: 2011-05-10
- Inventor: Toshinori Take
- Applicant: Toshinori Take
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Miles & Stockbridge P.C.
- Priority: JP2008-103746 20080411; JP2008-103747 20080411; JP2008-103748 20080411; JP2008-103749 20080411
- Main IPC: G02B9/06
- IPC: G02B9/06 ; G02B9/04
Abstract:
An imaging lens includes a first lens group having a positive refractive power, an aperture stop, and a second lens group having a positive refractive power, which are disposed in order from an object. The first lens group has a first lens component having a negative refractive power and a second lens component having a positive refractive power, which are disposed in order from the object, and conditions expressed by the expressions 0.12
Public/Granted literature
- US20090257125A1 IMAGING LENS, OPTICAL APPARATUS AND METHOD FOR FORMING IMAGE USING THIS IMAGING LENS Public/Granted day:2009-10-15
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