Zoom lens system
US10495860B2 · kind B2 · utility
3Cited by
6References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 16, 2016 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Aug 7, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B15/142
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A zoom lens system for providing high quality images with higher resolution includes a first lens group (110), an aperture stop (120), and a second lens group (130). The first lens group has a positive or negative refractive power, and includes at least two lens elements having a negative refractive power and at least on lens element having a positive refractive power. The second lens group has a positive refractive power. A distance between a first and second lens group is not fixed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.