Compact zoom lens
US8411371B2 · kind B2 · utility
4Cited by
0References
10Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 16, 2011 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Sep 23, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/102
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A zoom lens includes a first lens, a first lens barrel, a shutter assembly, and a guide barrel. The first lens barrel houses the first lens. The shutter assembly is positioned on a distal end of the first lens barrel toward an object side of the zoom lens. The guide barrel is received in the first lens barrel and configured for guiding the first lens barrel to move along the optical axis of the zoom lens.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.