发明授权
- 专利标题： Zoom lens and image pickup apparatus
- 专利标题（中）： 变焦镜头和摄像设备
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申请号： US12453097申请日： 2009-04-29
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公开(公告)号： US07830615B2公开(公告)日： 2010-11-09
- 发明人: Makoto Kanai , Masaharu Hosoi
- 申请人： Makoto Kanai , Masaharu Hosoi
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Rader, Fishman & Grauer PLLC
- 优先权： JP2008-137106 20080526
- 主分类号： G02B15/14
- IPC分类号： G02B15/14 ; G02B15/177
摘要：
A zoom lens includes first to third negative, positive, positive lens groups. The second lens group includes first to fourth positive, negative, negative, positive lenses. The third and fourth lenses of the second lens group are bonded to each other to serve as a cemented lens. The zoom lens is configured to satisfy Conditional Expressions (1) and (2) as follows: −0.5
公开/授权文献
- US20090290231A1 Zoom lens and image pickup appartus 公开/授权日：2009-11-26
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