Telephoto lens system and electronic apparatus having the same
US9042038B2 · kind B2 · utility
0Cited by
2References
25Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 18, 2013 |
| Grant date | May 26, 2015 |
| Priority date | — |
| Expiry date | Dec 18, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/646
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A telephoto lens system and an electronic apparatus having the same are provided. The telephoto lens system includes a first lens group having a positive refractive power, a second lens group having a negative refractive power, and a third lens group. The third lens group includes a (3-1)-th lens group having a positive refractive power, a (3-2)-th lens group having a negative refractive power, and a (3-3)-th lens group having a positive refractive power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.