Wide-angle lens
US10001630B1 · kind B1 · utility
8Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 2017 |
| Grant date | Jun 19, 2018 |
| Priority date | — |
| Expiry date | Apr 21, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B13/06
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A wide-angle lens includes a first lens group having a positive refractive power, a second lens group having a positive refractive power and an aperture. The first lens group, the aperture and the second lens group are arranged in sequence from the object side to the image side. The first lens group includes five lens, and the second lens group includes four lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.