Imaging lens
US10330892B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 21, 2016 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Dec 21, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B9/64
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A compact imaging lens which addresses low-profile and low F value, and corrects aberrations. An imaging lens includes a first lens having positive refractive power and a convex surface on an object side near an optical axis, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and a eighth lens having a concave surface on an image side near the optical axis as double-sided aspheric lens, wherein the second to seventh lenses each have at least one aspheric surface, and the eighth lens has pole points off an optical axis on the aspheric image-side surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.