Lens device and method for adjusting the same
US7158322B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 31, 2005 |
| Grant date | Jan 2, 2007 |
| Priority date | — |
| Expiry date | Jun 24, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B7/102
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
To provide a lens device involving simple adjustment work and an adjustment method for the same, the lens device includes the first and second lens groups, each including having a retaining guide section on a surface facing another of the first and second lens groups, wherein the retaining guide section of one of the first and second lens groups retains and guides the other of the first and second lens groups so that the other of the first and second lens groups can rotate around the optical axis in the rotary cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.