Patent ID: 6707993
Filing Date: 2004-03-16
Classification: G02B

Abstract:
A lens barrel comprising:a fixed lens barrel member; a first straight-moving member for guiding a first lens barrel member movably in an axial direction of the fixed lens barrel member; a second straight-moving member for guiding a second lens barrel member movably in the axial direction of the fixed lens barrel member, in which the second straight-moving member is provided generally on a same circle, in a plane perpendicular to the axial direction thereof, as that of the first straight-moving member; and a third straight-moving member for guiding a third lens barrel member movably in the axial direction of the fixed lens barrel member, in which the third straight-moving member is provided generally on the same circle, in the plane perpendicular to the axial direction thereof, as that of the first straight-moving member.