发明授权
- 专利标题： Wide-angle lens, optical apparatus, and method for manufacturing wide-angle lens
- 专利标题（中）： 广角镜头，光学装置以及制造广角镜的方法
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申请号： US12895567申请日： 2010-09-30
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公开(公告)号： US08107175B2公开(公告)日： 2012-01-31
- 发明人: Takamichi Kurashige
- 申请人： Takamichi Kurashige
- 申请人地址： JP Tokyo
- 专利权人： Nikon Corporation
- 当前专利权人： Nikon Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Miles & Stockbridge P.C.
- 优先权： JP2009-230193 20091002; JP2009-230194 20091002
- 主分类号： G02B9/60
- IPC分类号： G02B9/60 ; G02B3/02
摘要：
A wide-angle lens WL including, in order from an object: a first lens L1 which is a negative meniscus lens having a convex surface facing the object; a second lens L2 which is a positive lens; a third lens L3 which is a negative lens; a fourth lens L4 which is a positive lens; and a fifth lens L5 which is a positive lens, wherein the condition of 0.2
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