发明授权
- 专利标题: Zoom lens and image capture apparatus
- 专利标题(中): 变焦镜头和摄像设备
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申请号: US12654089申请日: 2009-12-10
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公开(公告)号: US08169710B2公开(公告)日: 2012-05-01
- 发明人: Hiroki Yamano
- 申请人: Hiroki Yamano
- 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: JP2009-000784 20090106
- 主分类号: G02B15/14
- IPC分类号: G02B15/14
摘要:
An image capture apparatus includes: a zoom lens; and an image pickup device converting an optical image formed by the zoom lens into an electric signal. The zoom lens includes, in order from the object side, a first lens group with a negative focal length, a second lens group with a positive focal length, a third lens group with a negative focal length, and a fourth lens group with a positive focal length. During zooming from a wide-angle end to a telephoto end, the first lens group moves along a locus having a convex shape toward an image side while decreasing an air space between the first and second lens groups, and the second and third lens groups move toward the object side while increasing an air space therebetween.
公开/授权文献
- US20100172030A1 Zoom lens and image capture apparatus 公开/授权日:2010-07-08
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