Patent ID: 6515807
Filing Date: 2003-02-04
Classification: G02B

Abstract:
A lens barrel comprising:a lens holding barrel that holds a lens, said lens holding barrel having a first flange portion for preventing movement of said lens in the direction of an optical axis and permitting movement of said lens in a direction perpendicular to the optical axis and a ring-shaped guide surface; an intermediate ring movably provided on said guide surface of said lens holding barrel, said intermediate ring having a wedge portion; and a supporting barrel for supporting the lens holding barrel, said supporting barrel having a second flange portion adapted to come into engagement with said first flange portion of said lens holding barrel and a wedge receiving portion which comes into contact with said wedge portion of said intermediate ring, said lens holding barrel being moved in a direction perpendicular to the optical axis for eccentricity adjustment, in a state where said lens holding barrel is moved, said intermediate ring being moved on said guide surface of said lens holding barrel, and said wedge portion coming into contact with said wedge receiving portion in this state, thereby fixing said lens holding barrel and said intermediate ring to said supporting barrel.