Patent ID: 11886039
Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. An optical imaging lens group, sequentially from an object side to an image side along an optical axis, comprising: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens, each of which has refractive power,
wherein,
the first lens has positive refractive power, an object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface;
the second lens has negative refractive power, and an image-side surface of the second lens is a concave surface;
the fifth lens has positive refractive power;
the sixth lens has negative refractive power, and an object-side surface of sixth lens is a concave surface; and
1.18≤TTL/ImgH≤1.22, where TTL is a distance along the optical axis from the object-side surface of the first lens to an imaging plane of the optical imaging lens group, and ImgH is half of a diagonal length of an effective pixel area on the imaging plane of the optical imaging lens group.