Invention Grant
US09488813B2 Zoom lens system, interchangeable lens apparatus and camera system
有权
变焦镜头系统，可互换镜头设备和相机系统
- Patent Title: Zoom lens system, interchangeable lens apparatus and camera system
- Patent Title (中): 变焦镜头系统，可互换镜头设备和相机系统
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Application No.: US14818156Application Date: 2015-08-04
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Publication No.: US09488813B2Publication Date: 2016-11-08
- Inventor: Satoshi Kuzuhara , Tsuneo Uchida
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2013-029605 20130219
- Main IPC: G02B15/14
- IPC: G02B15/14 ; G02B15/20 ; G02B15/16 ; G02B27/64 ; G02B7/10 ; G02B7/14 ; H04N5/232 ; H04N5/225 ; G02B13/00 ; G02B15/173
Abstract:
A zoom lens system comprising a positive first lens unit; a negative second lens unit; and subsequent five or six lens units, wherein an aperture diaphragm is provided, intervals between the adjacent lens units vary in zooming, the first lens unit moves in zooming and is fixed in focusing, and the conditions: BF/fW 0.42, and DAIR/Y
Public/Granted literature
- US20150338622A1 ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM Public/Granted day:2015-11-26
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