The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 02, 2024

Filed:

Dec. 30, 2020
Applicant:

Changzhou Raytech Optronics Co., Ltd., Changzhou, CN;

Inventor:

Rongbao Shi, Shenzhen, CN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 13/00 (2006.01); G02B 9/64 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0045 (2013.01); G02B 9/64 (2013.01);
Abstract

The present disclosure relates to optical lens, and provides a camera optical lens including eight lenses, from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens having a positive refractive power, a sixth lens having a negative refractive power, a seventh lens having a positive refractive power, and an eighth lens having a negative refractive power; wherein the camera optical lens satisfies the following conditions: 0.95≤f/TTL; −4.50≤f2/f≤−2.00; and −0.90≤(R13+R14)/(R13−R14)≤−0.25. The camera optical lens can achieve good optical performance while meeting design requirements for a long focal length and ultra-thinness.


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