Patent · US Expired

Lens device and method for adjusting the same

US7158322B2 · kind B2 · utility

1Cited by
1References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 31, 2005
Grant dateJan 2, 2007
Priority date
Expiry dateJun 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.