Optical lens

• Main Authors: LIANG WEICHAO, ZHANG GUOPENG, YING YONGMAO
• Format: Patent
• Language: Chinese; English
• Published: 30.08.2024
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

The invention discloses an optical lens. The invention discloses a zoom lens which sequentially comprises a first lens with positive focal power, a second lens with negative focal power, a third lens with positive focal power, a fourth lens with positive focal power, a fifth lens with negative focal power, a sixth lens with positive focal power and a seventh lens with negative focal power from an object side to an image side along an optical axis, the eighth lens has positive focal power; the ninth lens has negative focal power; wherein the object side surface of the seventh lens is a concave surface, and the image side surface is a convex surface; the object side surface of the eighth lens is a concave surface, and the image side surface is a convex surface. 本申请公开了一种光学镜头，沿光轴从物侧至像侧依次包括：具有正光焦度的第一透镜、具有负光焦度的第二透镜、具有正光焦度的第三透镜、具有正光焦度的第四透镜、具有负光焦度的第五透镜、具有正光焦度的第六透镜、具有负光焦度的第七透镜、具有正光焦度的第八透镜、以及具有负光焦度的第九透镜；其中，第七透镜的物侧面为凹面，像侧面为凸面；第八透镜的物侧面为凹面，像侧面为凸面。