Optical assembly for a compact wide field of view digital camera with low first lens diameter to image diagonal ratio
US10705321B2 · kind B2 · utility
2Cited by
29References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 26, 2018 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Nov 26, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0018
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical assembly for a point action camera or other compact digital camera having a wide field of view, includes multiple lens elements, including at least one lens element that has an aspheric lens surface. The optical assembly is configured to provide a field of view in excess of 120 degrees. The optical assembly includes a ratio of a diameter of a first lens element at the object end of the optical assembly to an image diagonal is less than approximately 3.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.