Optical imaging camera lens

Abstract

The invention relates to the technical field of camera lenses and discloses an optical imaging camera lens. The optical imaging camera lens comprises lenses from a first to a seventh sequentially along an optical axis from an object side to an image side, wherein the first lens is a convexoconcave lens with negative refractive power; the second lens has negative refractive power and a convex object side surface; the third lens has positive refractive power and a convex image side surface; the fourth lens is a convexoconcave lens with positive refractive power; the fifth lens has positive refractive power and a convex image side surface; the sixth lens has negative refractive power and a convex object side surface; the seventh lens has positive refractive power and a convex image side surface; and the object side surface and the image side surface of the seventh lens are both aspherical surfaces. The optical imaging camera lens has the advantages of large main incident angle, good optical imaging quality, small volume and light weight.

Description

technical field [0001] The invention belongs to the field of lens technology, and in particular relates to a seven-piece optical imaging lens. Background technique [0002] With the continuous advancement of technology, optical imaging lenses have also developed rapidly in recent years, and are widely used in various fields such as smartphones, tablet computers, video conferencing, security monitoring, and drones. When applied to unmanned aerial vehicles, it is hoped that the volume and weight of the optical imaging lens will be small, so as to reduce the overall weight of the unmanned aerial vehicle and improve the endurance. fulfil requirements. [0003] In addition, a sensor with a large CRA (main angle of incidence) generally has a low cost, but because the CRA is too large, it is difficult to find a stable all-glass optical imaging lens to match; the existing large CAR lens has poor resolution and large chromatic aberration , the chromatic aberration reduction degree ...

AI Technical Summary

Problems solved by technology

When applied to unmanned aerial vehicles, it is hoped that the volume and weight of the optical imaging lens will be small, so as to reduce the overall weight of the unmanned aerial vehicle and improve the endurance. fulfil requirements

[0003] In addition, a sensor with a large CRA (main angle of incidence) generally has a low cost, but because the CRA is too large, it is difficult to find a stable all-glass optical imaging lens to match; the existing large CAR lens has poor resolution and large chromatic aberration , poor chromatic aberration reduction, and serious distortion, unable to meet the ever-increasing optical imaging performance requirements

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