Optical assembly for a wide field of view point action camera with a low sag aspheric lens element
US9784943B1 · kind B1 · utility
19Cited by
151References
54Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2016 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Apr 17, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N23/54
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical assembly for a point action camera with a wide field of view has multiple lens elements configured to provide a field of view in excess of 150 degrees. One or more lens elements has an aspheric surface with an approximately 30 microns or less sag and an approximately 25 microns/millimeter or less aspheric sag slope.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.