Patent ID: 6757489
Filing Date: 2004-06-29
Classification: G02B

Abstract:
A lens barrel comprising:a first ring member having a ring frame portion and at least one leg portion which extends from said ring frame portion in an optical axis direction; and a second ring member, which is relatively movable in said optical axis direction with respect to said first ring member, said second ring member having at least one slot which extends in said optical axis direction, said leg portion being inserted into said slot so that said leg portion can move in said optical axis direction along said slot; wherein said second ring member is coupled to said first ring member so that said second ring member is positioned substantially within a radial thickness of said leg portion; and wherein a rearmost end toward an image side of the lens barrel of said first ring member is configured to be movable along the optical axis to positions forward and rearward of a rearmost end toward an image side of the lens barrel of said second ring member.