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Patent Searching and Data


Title:
ZOOM LENS, IMAGING APPARATUS, MOBILE BODY, AND SYSTEM
Document Type and Number:
WIPO Patent Application WO/2018/105012
Kind Code:
A1
Abstract:
This zoom lens is provided with, sequentially from the object side: a first lens group that has negative refractive power; a second lens group that has positive refractive power; and a third lens group that has positive refractive power. While the magnification is changed from the wide angle end to the telephoto end, the interval between the first lens group and the second lens group is reduced, and the interval between the second lens group and the third lens group changes. The first lens group includes four lenses that respectively have negative refractive power, negative refractive power, negative refractive power, and positive refractive power sequentially from the object side. Conditional expressions of v1>60, v2>60, v3>60, and -2.5

Inventors:
MATSUNAGA Shigehiko (9F Tradepia Odaiba, 2-3-1, Daiba, Minato-k, Tokyo 91, 〒1350091, JP)
OHATA Atsushi (9F Tradepia Odaiba, 2-3-1, Daiba, Minato-k, Tokyo 91, 〒1350091, JP)
MINATO Atsuo (9F Tradepia Odaiba, 2-3-1, Daiba, Minato-k, Tokyo 91, 〒1350091, JP)
Application Number:
JP2016/086086
Publication Date:
June 14, 2018
Filing Date:
December 05, 2016
Export Citation:
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Assignee:
SZ DJI TECHNOLOGY CO., LTD (9F Tradepia Odaiba, 2-3-1 Daiba, Minato-k, Tokyo 91, 〒1350091, JP)
International Classes:
G02B15/20; G02B13/18
Domestic Patent References:
WO2015178095A12015-11-26
Foreign References:
JP2006189527A2006-07-20
JP2011257625A2011-12-22
JP2015028530A2015-02-12
JP2014153443A2014-08-25
Attorney, Agent or Firm:
RYUKA IP LAW FIRM (22F Shinjuku L Tower, 1-6-1 Nishi-Shinjuku, Shinjuku-k, Tokyo 22, 〒1631522, JP)
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