Optical assembly for a wide field of view point action camera with low astigmatism
US9316820B1 · kind B1 · utility
15Cited by
148References
73Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 2014 |
| Grant date | Apr 19, 2016 |
| Priority date | — |
| Expiry date | Mar 24, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0025
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical assembly for a point action camera with a wide field of view includes multiple lens elements configured to provide a field of view in excess of 150 degrees. One or more lens elements has an aspheric surface. The optical assembly exhibits a low longitudinal astigmatism of approximately 0.3 mm or less.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.