Large-aperture ultra-wide-angle optical lens and imaging method thereof

Abstract

The invention relates to a large-aperture ultra-wide-angle optical lens and an imaging method thereof, and the optical lens comprises a first negative meniscus lens L1, a second negative meniscus lens L2, a third negative meniscus lens L3, a fourth positive biconvex lens L4, a fifth positive biconvex lens L5, a sixth negative meniscus lens L6 and a seventh positive biconvex lens L7 which are sequentially arranged from left to right along a light incident path. And all the components are made of glass materials. Compared with a competitive product in the current market, the large-aperture ultra-wide-angle optical lens has a smaller F number and a wider visual field, and is good in adaptability to complex lighting conditions; and the full-glass structural design is adopted, so that the structural and optical stability is excellent. The lens group is low in assembling sensitivity, high in yield, low in cost and suitable for large-scale production. In addition, the optical system has excellent imaging quality, and can realize all-weather stable in-vehicle life monitoring.

Description

Technical field: [0001] The invention relates to a large-aperture ultra-wide-angle optical lens and an imaging method thereof. Background technique: [0002] With the continuous popularization of private cars, the number of cases of children and pets being locked in the car to death has been increasing in recent years. Therefore, various car companies have begun to pay more and more attention to the life detection technology in the car. However, the space in the car is small, there are many obstacles, The complex and diverse light conditions have severely restricted the performance of the in-vehicle monitoring optical system; therefore, the current market urgently needs an optical system with a large field of view, large aperture, and high adaptability to complex environments to provide stable and accurate in-vehicle monitoring. Monitoring to prevent accidents from happening. Invention content: [0003] The invention provides a large-aperture ultra-wide-angle optical lens...

AI Technical Summary

Problems solved by technology

[0002] With the continuous popularization of private cars, the number of death cases of children and pets being locked in the car has been increasing in recent years. Therefore, various car companies have begun to pay more and more attention to the life detection technology in the car. However, the space in the car is small, there are many obstacles, The complex and diverse light conditions have severely restricted the performance of the in-vehicle monitoring optical system; therefore, the current market urgently needs an optical system with a large field of view, large aperture, and high adaptability to complex environments to provide stable and accurate in-vehicle monitoring. Monitor and prevent accidents

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