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Patent Searching and Data


Title:
TELEPHOTO ZOOM LENS SYSTEM AND ELECTRONIC APPARATUS INCLUDING THE SAME
Document Type and Number:
WIPO Patent Application WO/2014/142438
Kind Code:
A1
Abstract:
Provided are a telephoto zoom lens system and an electronic apparatus including the telephoto zoom lens system. The telephoto zoom lens system includes a first lens group having a positive refractive power and is fixed when zooming and focusing, a second lens group having a negative refractive power, a third lens group having a negative refractive power and performs focusing, a fourth lens group having a positive refractive power, and a rear lens group comprising one or more lens groups located between the fourth lens group and an image side. At least one lens group of the rear lens group is fixed while zooming, and a focal length thereof is unchanged while zooming.

Inventors:
RYU JAE-MYUNG (KR)
Application Number:
PCT/KR2014/000552
Publication Date:
September 18, 2014
Filing Date:
January 20, 2014
Export Citation:
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Assignee:
SAMSUNG ELECTRONICS CO LTD (KR)
International Classes:
G02B15/16; G02B9/60; G02B13/02
Domestic Patent References:
WO2012114756A12012-08-30
Foreign References:
KR20110040245A2011-04-20
KR20070108886A2007-11-13
US20130021674A12013-01-24
KR20110007627A2011-01-24
Attorney, Agent or Firm:
Y.P.LEE, MOCK & PARTNERS (13 Eonju-ro 30-gilGangnam-gu, Seoul 135-971, KR)
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