The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2024
Filed:
Aug. 02, 2021
Tokyo Visionary Optics Co., Ltd., Tokyo, JP;
Hitoshi Hirano, Tokyo, JP;
TOKYO VISIONARY OPTICS CO., LTD., Tokyo, JP;
Abstract
There is provided a compact imaging lens configured to properly correct aberrations. The imaging lens includes, in order from an object side to an image side, a first lens Lwith positive refractive power, a second lens Lwith negative refractive power, a third lens Lwith positive refractive power, a fourth lens Lwith positive refractive power, a fifth lens L, a sixth lens L, a seventh lens Lwith positive refractive power, and an eighth lens Lwith negative refractive power. The eighth lens Lis formed in a shape of a meniscus lens in a paraxial region, and has an aspheric image-side surface having at least one inflection point. In addition, the following conditional expressions are satisfied:−5.00<2/<−2.0010.00<4/<25.00