Patent ID: 8879178
Filing Date: 2014-11-04
Classification: G02B,H04N

Abstract:
1. A lens barrel, comprising: a first lens unit including a first lens element and a first lens support frame supporting the first lens element; a second lens unit including a second lens element and a second lens support frame supporting the second lens element, and being supported by the first lens unit to be movable in an optical axis direction of the first lens element with respect to the first lens unit; a drive unit arranged to be used to drive the second lens unit with respect to the first lens unit, and arranged to move integrally with the first lens unit; and a support frame disposed to the outside of the first lens unit in the radial direction and extends in the optical axis direction, wherein, when viewed in the optical axis direction, the drive unit is disposed so that a first profile line formed by the first lens unit and the drive unit is substantially circular, the first profile line substantially follows the inner peripheral face of the support frame when viewed in the optical axis direction, and the first lens unit, the second lens unit, and the drive unit are provided to move integrally in the optical axis direction with respect to the support frame.