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Patent Searching and Data


Title:
CAMERA LENS
Document Type and Number:
WIPO Patent Application WO/2018/223651
Kind Code:
A1
Abstract:
A camera lens, comprising a first lens (L1), a second lens (L2), a third lens (L3), a fourth lens (L4), a fifth lens (L5), a sixth lens (L6), and a seventh lens (L7), arranged sequentially along an optical axis from an object side to an image side. The first lens (L1) has a positive focal power; at least one of the second lens (L2), the third lens (L3) and the fourth lens (L4) has a positive focal power or a negative focal power; the fifth lens (L5) has a positive focal power, and an image-side surface (S10) of the fifth lens (L5) is a convex surface; the sixth lens (L6) has a negative focal power; the seventh lens (L7) has a negative focal power, and an object-side surface (S13) of the seventh lens (L7) is a convex surface. An effective focal length f1 of the first lens (L1) and an effective focal length f5 of the fifth lens (L5) meet the following relationship: 1.5 < f1 / f5 < 3.5.

Inventors:
LIU, Binbin (No. 66-68 Shunyu Road, YuyaoNingbo, Zhejiang 0, 315400, CN)
DAI, Fujian (No. 66-68 Shunyu Road, YuyaoNingbo, Zhejiang 0, 315400, CN)
WENREN, Jianke (No. 66-68 Shunyu Road, YuyaoNingbo, Zhejiang 0, 315400, CN)
Application Number:
CN2017/116155
Publication Date:
December 13, 2018
Filing Date:
December 14, 2017
Export Citation:
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Assignee:
ZHEJIANG SUNNY OPTICAL CO., LTD (No. 66-68 Shunyu Road, YuyaoNingbo, Zhejiang 0, 315400, CN)
International Classes:
G02B13/00
Foreign References:
CN107015347A2017-08-04
CN204028445U2014-12-17
CN203941337U2014-11-12
CN203965708U2014-11-26
CN204188870U2015-03-04
CN106324811A2017-01-11
US20100271601A12010-10-28
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (19 A, Tower A Indo Building,No. 48A Zhichun Road, Haidian District, Beijing 8, 100098, CN)
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