- 专利标题: Zoom lens and image pickup apparatus including the same
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申请号: US16583700申请日: 2019-09-26
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公开(公告)号: US11243384B2公开(公告)日: 2022-02-08
- 发明人: Yuichi Gyoda
- 申请人: CANON KABUSHIKI KAISHA
- 申请人地址: JP Tokyo
- 专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人: CANON KABUSHIKI KAISHA
- 当前专利权人地址: JP Tokyo
- 代理机构: Carter, DeLuca & Farrell LLP
- 优先权: JPJP2018-188857 20181004
- 主分类号: G02B15/177
- IPC分类号: G02B15/177 ; G02B15/14
摘要:
Provided is a zoom lens including a plurality of lens units, in which an interval between each pair of adjacent lens units is changed for zooming. The plurality of lens units consist of, in order from an object side to an image side: a first lens unit having a negative refractive power; a second lens unit having a positive refractive power; and a rear lens group including at least two lens units. The first lens unit and the second lens unit are configured to move during zooming. The first lens unit includes, in order from the object side to the image side, a negative lens G1, a negative lens G2, and a negative lens G3.
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