Title:
OPTICAL IMAGING LENS
Document Type and Number:
WIPO Patent Application WO/2019/141210
Kind Code:
A1
Abstract:
Provided is an optical imaging lens, successively comprising, from an object side to an image side, the following: a first lens (E1) having a positive focal power, wherein an object-side surface (S1) thereof is a convex surface and an image-side surface (S2) thereof is a concave surface; a second lens (E2) having a positive focal power, wherein an object-side surface (S3) thereof is a convex surface; a third lens (E3) having a negative focal power, wherein an object-side surface (S5) thereof is a convex surface and an image-side surface (S6) thereof is a concave surface; a fourth lens (E4) having a focal power; a fifth lens (E5) having a focal power; and a sixth lens (E6) having a negative focal power, wherein an object-side surface (S11) thereof is a convex surface and an image-side surface (S12) thereof is a concave surface. In addition, air gaps are provided between the lens (E1, E2, E3, E4, E5, E6), and the Abbe number V3 of the third lens (E3) and the Abbe number V4 of the fourth lens (E4) satisfy 4 < |V4-V3| ≤ 30.
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Inventors:
LI MING (CN)
ZHANG KAIYUAN (CN)
ZHANG KAIYUAN (CN)
Application Number:
PCT/CN2019/072155
Publication Date:
July 25, 2019
Filing Date:
January 17, 2019
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/18; G02B13/00
Foreign References:
| CN104570281A | 2015-04-29 | |||
| CN206039010U | 2017-03-22 | |||
| CN106338815A | 2017-01-18 | |||
| CN107976788A | 2018-05-01 | |||
| CN207799218U | 2018-08-31 | |||
| CN104423015A | 2015-03-18 | |||
| CN107272161A | 2017-10-20 | |||
| JP2001091828A | 2001-04-06 |
Attorney, Agent or Firm:
INSIGHT INTELLECTUAL PROPERTY LIMITED (CN)
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