Patent · US Active

Optical imaging lens group

US12019218B2 · kind B2 · utility

0Cited by

1References

18Claims

0Family size

Assignee

Zhejiang Sunny Optics Co., Ltd · CN

Inventors

Jiaying Zhang · Shanghai, CN
Fujian Dai · Ningbo City, CN
Liefeng Zhao · 丈亭镇, CN

Key dates

Filing date	Mar 25, 2021
Grant date	Jun 25, 2024
Priority date	—
Expiry date	Dec 2, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG02B13/0065
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The disclosure discloses an optical imaging lens group, which sequentially includes from an object side to an image side along an optical axis: a first prism has a first reflective surface; a first lens has a refractive power and an object-side surface thereof is a convex surface; a second lens has a refractive power; a third lens has a refractive power, an object-side surface thereof is a concave surface and an image-side surface thereof is a convex surface; a fourth lens has a refractive power; a fifth lens has a refractive power; and a second prism has a second reflective surface. An optical distortion Dist. of the optical imaging lens group satisfies: |Dist.|<0.1%.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.