Optical lens and electronic equipment with same

The utility model provides an optical lens and an electronic device with the same, and the optical lens comprises a first lens which has positive focal power, and the first side surface of the first lens is a convex surface; the second lens has negative focal power, and the first side face of the second lens and the second side face of the second lens are both concave faces; the third lens has positive focal power, and the second side surface of the third lens is a convex surface; and the fourth lens has positive focal power, and the first side surface of the fourth lens and the second side surface of the fourth lens are convex surfaces. According to the utility model, at least one problem of large distortion, large FNO and large CRA of an optical lens in the prior art is solved. 本实用新型提供了一种光学镜头及具有其的电子设备，光学镜头包括：第一透镜，第一透镜具有正光焦度，第一透镜的第一侧面为凸面；第二透镜，第二透镜具有负光焦度，第二透镜的第一侧面和第二透镜的第二侧面均为凹面；第三透镜，第三透镜具有正光焦度，第三透镜的第二侧面为凸面；第四透镜，第四透镜具有正光焦度，第四透镜的第一侧面和第四透镜的第二侧面均为凸面。本实用新型解决了现有技术中光学镜头畸变较大、FNO较大、CRA较大中的至少一个问题。