发明申请
US20100238566A1 ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME
有权
变焦镜头系统和图像拾取装置，包括它们
- 专利标题： ZOOM LENS SYSTEM AND IMAGE PICKUP APPARATUS INCLUDING THE SAME
- 专利标题（中）： 变焦镜头系统和图像拾取装置，包括它们
-
申请号： US12726103申请日： 2010-03-17
-
公开(公告)号： US20100238566A1公开(公告)日： 2010-09-23
- 发明人: Yu Inomoto , Shinichiro Yakita
- 申请人： Yu Inomoto , Shinichiro Yakita
- 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
- 优先权： JP2009-066507 20090318
- 主分类号： G02B15/14
- IPC分类号： G02B15/14
摘要：
A zoom lens system including, in order from an object side to an image side: a first lens unit having a positive refractive power; a second lens unit having a negative refractive power; a third lens unit having a negative refractive power; an aperture stop; and a fourth lens unit having a positive refractive power and including a front lens subunit and a rear lens subunit in which Abbe numbers of lenses in the rear lens subunit satisfy the following expression, 0.400
公开/授权文献
信息查询
