Zoom lens and image pickup apparatus having the same
US11835698B2 · kind B2 · utility
0Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 2021 |
| Grant date | Dec 5, 2023 |
| Priority date | — |
| Expiry date | Jul 9, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B15/20
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A zoom lens includes, in order from an object side to an image side, a first lens unit having a negative refractive power, a second lens unit having a positive refractive power, and three or more lens units. A distance between adjacent lens units varies during zooming. A predetermined condition is satisfied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.