Invention Grant
- Patent Title: Zoom lens and image pickup apparatus
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Application No.: US15906428Application Date: 2018-02-27
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Publication No.: US10551600B2Publication Date: 2020-02-04
- Inventor: Masakazu Kodaira
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Carter, DeLuca & Farrell LLP
- Priority: JP2017-037103 20170228
- Main IPC: G02B15/14
- IPC: G02B15/14 ; G02B9/60 ; G02B9/34

Abstract:
A zoom lens which include, in order from an object side: a unit A including a unit configured to move for zooming; an aperture stop; and a positive unit B configured not to move for zooming, in which the unit B includes front and rear units with an air interval therebetween longest between the aperture stop and an image plane of the zoom lens, in which the front unit consists of, in order from the object side, a positive first front unit, a negative second front unit configured to move perpendicular to an optical axis of the zoom lens to perform image stabilization, and a third front unit having a positive refractive power, in which a lateral magnification of the second front unit, focal lengths of the first front unit, the second front unit, and the third front unit are set appropriately.
Public/Granted literature
- US20180246303A1 ZOOM LENS AND IMAGE PICKUP APPARATUS Public/Granted day:2018-08-30
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