Title:
Image pick-up lens
Document Type and Number:
Japanese Patent JP6226295
Kind Code:
B2
Abstract:
An imaging lens includes a first lens having positive refractive power; a second lens; a third lens; a fourth lens; a fifth lens; a sixth lens; and a seventh lens having negative refractive power, arranged in this order from an object side to an image plane side. The seventh lens is formed in a meniscus shape near an optical axis thereof. The fourth lens has a specific focal length.
Inventors:
Yoji Kubota
Kenichi Kubota
Plain
Yonezawa Tomohiro
Kenichi Kubota
Plain
Yonezawa Tomohiro
Application Number:
JP2014002821A
Publication Date:
November 08, 2017
Filing Date:
January 10, 2014
Export Citation:
Assignee:
Optologic Co., Ltd.
Kantatsu Co., Ltd.
Kantatsu Co., Ltd.
International Classes:
G02B13/00; G02B13/18
Domestic Patent References:
| JP57074717A | ||||
| JP9015500A | ||||
| JP60057311A | ||||
| JP2013182090A | ||||
| JP2013238740A |
Foreign References:
| US20140009843 |
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