Video conference lens

• Main Authors: JIANG JIJIA, JIANG RIMING, LI CICAI, YOU CITIAN
• Format: Patent
• Language: Chinese; English
• Published: 02.05.2023
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

The video conference lens comprises a lens frame and an optical assembly, the optical assembly comprises a first lens, a second lens, a third lens, a fourth lens, a diaphragm, a fifth lens, a sixth lens, a seventh lens and an eighth lens which are sequentially arranged along an optical axis from an object side to an image side, the first lens and the second lens are both negative meniscus lenses, and the third lens and the fourth lens are both negative meniscus lenses. The third lens, the fourth lens and the sixth lens are all positive crescent lenses, the fifth lens and the eighth lens are both biconvex lenses, the seventh lens is a biconcave lens, the first lens and the fifth lens are both glass spherical lenses, and the fifth lens and the eighth lens are both glass spherical lenses. The second lens, the third lens, the fourth lens, the sixth lens, the seventh lens and the eighth lens are plastic aspheric lenses. The video conference lens adopts the 2G6P design, reduces the number of glass lenses, effective