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.
Patent No.:
Date of Patent:
Aug. 06, 2024
Filed:
May. 11, 2021
Zhejiang Sunny Optics Co.,ltd., Zhejiang, CN;
Yabin Hu, Zhejiang, CN;
Jian Zhang, Zhejiang, CN;
Liefeng Zhao, Zhejiang, CN;
Fujian Dai, Zhejiang, CN;
ZHEJIANG SUNNY OPTICS CO., LTD., Ningbo, CN;
Abstract
The disclosure provides a camera lens group, which sequentially includes, from an object side to an image side along an optical axis: a first lens group with a positive refractive power, sequentially including, along the optical axis, a first lens, a second lens and a third lens with refractive power respectively; and a second lens group with a negative refractive power, sequentially including, the optical axis, a fourth lens, a fifth lens, a sixth lens and a seventh lens with refractive power respectively, wherein a total effective focal length f of the camera lens group and an entrance pupil diameter (EPD) of the camera lens group meet f/EPD<1.4; and an effective focal length f1 of the first lens and a spacing distance T34 of the third lens and the fourth lens on the optical axis meet 3.0<f1/T34<5.0.