Image pickup lens
US10509203B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 20, 2017 |
| Grant date | Dec 17, 2019 |
| Priority date | — |
| Expiry date | Feb 6, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B9/60
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image pickup lens comprises a first lens having negative refractive power, a second lens having positive refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, and a fifth lens having negative refractive power, from an object side to an image side. The image pickup lens has an optical axis. A portion of a surface of the first lens facing the object side and close to the axis is convex, a portion of a surface of the first lens facing the image side and close to the axis is concave. A portion of a surface of the fourth lens facing the object side and close to the axis is convex, a portion of a surface of the fourth lens facing the image side and close to the axis is convex. The image pickup lens has large field of view and small volume.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.