Optical assembly for a compact wide field of view digital camera with high MTF
US10739561B1 · kind B1 · utility
1Cited by
179References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 2018 |
| Grant date | Aug 11, 2020 |
| Priority date | — |
| Expiry date | Sep 6, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/0018
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
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 has a modulation transfer function (hereinafter “MTF”) at the Nyquist frequency that is above 0.3 and a MTF at half Nyquist frequency that is above 0.5 across the wide field of view.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.