发明申请
- 专利标题： Zoom lens system and image pickup apparatus having the system
- 专利标题（中）： 具有该系统的变焦透镜系统和摄像装置
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申请号： US11293751申请日： 2005-12-02
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公开(公告)号： US20060132929A1公开(公告)日： 2006-06-22
- 发明人: Daisuke Ito
- 申请人： Daisuke Ito
- 申请人地址： JP Ohta-ku
- 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 Ohta-ku
- 优先权： JP2004-364447 20041216
- 主分类号： G02B15/14
- IPC分类号： G02B15/14
摘要：
At least one exemplary embodiment is directed to a zoom lens system including, in order from an object side to an image side: a first lens unit having a negative optical power; a second lens unit having a positive optical power; and a third lens unit having a positive optical power. In this particular exemplary embodiment, the zoom lens system changes an interval between the first and second lens units, and an interval between the second and third lens units during zooming.
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