Optical lens

• Main Authors: CHEN, JUNG-YAO, CHEN, CHIA-HUNG
• Format: Patent
• Language: Chinese; English
• Published: 01.05.2020
• Subjects: OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS

An optical lens includes, in order from an object side to an image-forming side, a first lens, a second lens, a third lens, a fourth lens and a fifth lens. The first lens has positive refraction power. The second lens has positive refraction power or negative refraction power. The third lens has neg...