Title:
OPTICAL LENS ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2020/151251
Kind Code:
A1
Abstract:
Provided is an optical lens assembly, said lens assembly comprising the following, in order from the object side to the image side along the optical axis: a first lens (E1), a second lens (E2), a third lens (E3), a fourth lens (E4), a fifth lens (E5), and a sixth lens (E6). The first lens (E1) has a negative focal power; the second lens (E2) has a focal power; the third lens (E3) has a focal power, and its image side surface (S6) is a convex surface; the fourth lens (E4) has a focal power, and its image side surface (S8) is a concave surface; the fifth lens (E5) has a positive focal power, and its image side surface (S10) is a convex surface; the sixth lens (E6) has a focal power, its object side surface (S11) is a convex surface, and its image side surface (S12) is a concave surface; the combined focal length f23 of the second lens (E2) and third lens (E3) and the total effective focal length f of the optical lens assembly satisfy 0.8 < f23/f < 1.3.
Inventors:
HUANG LIN (CN)
TANG YU (CN)
DAI FUJIAN (CN)
ZHAO LIEFENG (CN)
TANG YU (CN)
DAI FUJIAN (CN)
ZHAO LIEFENG (CN)
Application Number:
PCT/CN2019/108450
Publication Date:
July 30, 2020
Filing Date:
September 27, 2019
Export Citation:
Assignee:
ZHEJIANG SUNNY OPTICAL CO LTD (CN)
International Classes:
G02B13/06; G02B13/00; G02B13/18
Foreign References:
| CN109541785A | 2019-03-29 | |||
| CN107203033A | 2017-09-26 | |||
| CN206671656U | 2017-11-24 | |||
| CN106019535A | 2016-10-12 | |||
| CN206450894U | 2017-08-29 | |||
| CN106772957A | 2017-05-31 | |||
| JP2018189931A | 2018-11-29 |
Attorney, Agent or Firm:
SEA INTELLECTUAL PROPERTY LAW FIRM (CN)
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