High-resolution large-viewing-angle vehicle-mounted fisheye optical lens

The utility model relates to the technical field of fisheye optical lenses, in particular to a high-resolution large-viewing-angle vehicle-mounted fisheye optical lens, which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, an optical filter, protective glass and an image plane which are sequentially arranged along the incident direction of light, the first lens is a meniscus aspheric negative lens, the second lens is a meniscus aspheric negative lens, the object side surface and the image side surface of the third lens are convex surfaces, the image side surface of the fourth lens is a convex lens, and the fifth lens is a biconvex aspheric lens. According to the utility model, the resolution is improved while the view angle is increased, and the condition that the image is blurred is avoided. 本实用新型涉及鱼眼光学镜头技术领域，尤其是一种高分辨率大视角车载鱼眼光学镜头，包括沿光线的入射方向依次设置有第一透镜、第二透镜、第三透镜、第四透镜、第五透镜、滤光片、保护玻璃、像面，所述第一透镜为弯月球面负透镜，所述第二透镜为弯月非球面负透镜，所述第三透镜的物侧面与像侧面均为凸面，所述第四透镜的像侧面为凸面透镜，所述第五透镜双凸非球面透镜。本实用新型具有保证了在增大视角