Invention Grant
- Patent Title: Zoom lens and imaging apparatus
- Patent Title (中): 变焦镜头和成像设备
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Application No.: US13903279Application Date: 2013-05-28
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Publication No.: US08824061B2Publication Date: 2014-09-02
- Inventor: Ryoko Tomioka
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Agency: Young & Thompson
- Priority: JP2010-272144 20101207
- Main IPC: G02B15/14
- IPC: G02B15/14

Abstract:
A zoom lens includes a positive first lens group, which is fixed during changing magnification and during focusing, a negative second lens group, which is moved during changing magnification, a positive third lens group, which is fixed during changing magnification and during focusing, a positive fourth lens group, which is moved during changing magnification and during focusing, and a negative fifth lens group, which is moved during changing magnification, which are in this order from an object side. A lens group constituting the first lens group consists of a negative front group and a positive rear group in this order from the object side. The second lens group consists of four lenses of a negative lens, a positive lens, a negative lens, and a positive lens or a negative lens arranged in this order from the object side.
Public/Granted literature
- US20130258162A1 ZOOM LENS AND IMAGING APPARATUS Public/Granted day:2013-10-03
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