Invention Application
- Patent Title: ZOOM LENS, AND IMAGING APPARATUS INCORPORATING THE SAME
- Patent Title (中): 变焦镜头和成像装置同时进行
-
Application No.: US14034544Application Date: 2013-09-23
-
Publication No.: US20140022647A1Publication Date: 2014-01-23
- Inventor: Yasuji OGATA , Yasuharu YAMADA , Toshio TAKAHASHI , Toyoki KON
- Applicant: OLYMPUS CORPORATION , OLYMPUS IMAGING CORP.
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: OLYMPUS CORPORATION,OLYMPUS IMAGING CORP.
- Current Assignee: OLYMPUS CORPORATION,OLYMPUS IMAGING CORP.
- Current Assignee Address: JP Tokyo JP Tokyo
- Priority: JP2010-166160 20100723
- Main IPC: G02B13/04
- IPC: G02B13/04

Abstract:
The invention provides a zoom lens, characterized by comprising, a zoom lens, which comprises, in order from an object side thereof: a first lens group of negative refracting power, a second lens group of positive refracting power, a third lens group of negative refracting power, and a fourth lens group of positive refracting power, wherein: upon zooming from a wide-angle end to a telephoto end of the zoom lens, a separation between the respective lens groups changes, upon focusing from a focusing-on-infinity state to a close-range focusing state, the third lens group moves in an optical axis direction, and the conditions (1) and (2) are satisfied at the wide-angle end.
Public/Granted literature
- US08767310B2 Zoom lens, and imaging apparatus incorporating the same Public/Granted day:2014-07-01
Information query