Invention Grant
- Patent Title: Zoom lens and image pickup apparatus using the same
- Patent Title (中): 变焦镜头和使用其的摄像设备
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Application No.: US13785905Application Date: 2013-03-05
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Publication No.: US09285570B2Publication Date: 2016-03-15
- Inventor: Tetsuya Yanai , Minoru Ueda , Mayu Miki
- Applicant: OLYMPUS IMAGING CORP.
- Applicant Address: JP Tokyo
- Assignee: OLYMPUS CORPORATION
- Current Assignee: OLYMPUS CORPORATION
- Current Assignee Address: JP Tokyo
- Agency: Kenyon & Kenyon LLP
- Priority: JP2012-082027 20120330; JP2012-082028 20120330
- Main IPC: G02B15/14
- IPC: G02B15/14 ; G02B15/173

Abstract:
A zoom lens comprises in order from an object side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, and a third lens unit having a positive refractive power, and the third unit having a positive refractive power comprises in order from the object side, a first lens component having a positive refractive power, and a second lens component having a negative refractive power in which, a lens having a positive refractive power and a lens having a negative refractive power are cemented, and the zoom lens satisfies the following conditional expressions (1), (2), and (3) 1.4
Public/Granted literature
- US20130258498A1 Zoom Lens and Image Pickup Apparatus Using the Same Public/Granted day:2013-10-03
Information query