Optical lens

• Main Authors: SHI ZHANGJIN, LANG HAITAO, YANG JIA, ZHOU ZHAOTAO
• Format: Patent
• Language: Chinese; English
• Published: 05.02.2019
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CINEMATOGRAPHY; ELECTROGRAPHY; HOLOGRAPHY; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHOTOGRAPHY; PHYSICS

The invention discloses an optical lens. The optical lens sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens along an optical axis from the front end to the rear end, wherein the first lens, the fourth lens and the sixth lens have positive focal power, the second lens, the third lens, the fifth lens and the seventh lens all have negative focal power, the third lens, the fourth lens and the fifth lens are glued to form a three-bonding lens, and the sixth lens and the seventh lens are glued to form a dual-bonding lens. 本申请公开了种光学镜头，该光学镜头沿光轴由前端至后端依序包括：第透镜、第二透镜、第三透镜、第四透镜、第五透镜、第六透镜以及第七透镜。第透镜、第四透镜和第六透镜均具有正光焦度；第二透镜、第三透镜、第五透镜和第七透镜均具有负光焦度；第三透镜、第四透镜和第五透镜胶合组成三胶合透镜；以及第六透镜和第七透镜胶合组成双胶合透镜。