Invention Grant
US08611019B2 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.: US13754309Application Date: 2013-01-30
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Publication No.: US08611019B2Publication Date: 2013-12-17
- Inventor: Takuya Imaoka
- Applicant: Panasonic Corporation
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2010-286701 20101222
- Main IPC: G02B15/14
- IPC: G02B15/14 ; G02B9/34 ; G02B15/00
Abstract:
A zoom lens system comprising a negative first lens unit, a positive second lens unit, a negative third lens unit, and a positive fourth lens unit, wherein the first lens unit and the third lens unit move along an optical axis, and the fourth lens unit is fixed with respect to an image surface in zooming, the third lens unit moves along the optical axis in focusing, and the conditions: 0.0
Public/Granted literature
- US20130141627A1 ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM Public/Granted day:2013-06-06
Information query
