Imaging lens
US9846297B2 · kind B2 · utility
4Cited by
4References
15Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Apr 18, 2016 |
| Grant date | Dec 19, 2017 |
| Priority date | — |
| Expiry date | Jun 29, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/18
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An imaging lens includes a first lens group and a second lens group, arranged in this order from an object side to an image plane side. The first lens group includes a first lens having positive refractive power, a second lens having positive refractive power, and a third lens. The second lens group includes a fourth lens having positive refractive power, a fifth lens, and a sixth lens having negative refractive power. The fifth lens has a specific Abbe's number.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.