Patent ID: 6785059
Filing Date: 2004-08-31
Classification: G02B

Abstract:
A lens barrel having a lens holding frame for holding a plurality of lenses comprising:a first lens; a second lens; a lens holding frame holding the first and second lenses, having a first opening disposed at one end in correspondence with the first lens and having a second opening disposed at another end in correspondence with the second lens; first abutment portions prescribing a given position of the first lens in an optical axis direction on a side of the first opening and disposed at a plurality of positions around an inner periphery of the lens holding frame; a second abutment portion prescribing a given position of the second lens in the optical axis direction on a side of the second opening; first engagement portions disposed at a plurality of positions around the inner periphery of the lens holding frame on a side nearer to the first opening than the first and second abutment portions and engaged with the first lens; and a second engagement portion disposed around the inner periphery of the lens holding frame on a side nearer to the second opening than the first and second abutment portions and engaged with the second lens; wherein the first engagement portions and the first abutment portions are disposed at different positions in measured in a circumferential direction of the lens holding frame.