Abstract: A lens barrel includes a barrel case comprising a fixed barrel mounted to a camera body and a first movement barrel that is moveable along an optical axis according to a cam groove formed on an inner surface of the fixed barrel; and a lens assembly accommodated in the barrel case, wherein a tele section is a front portion of the cam groove and is oblique with respect to a rotational direction of the first movement barrel by a predetermined angle, wherein a front side is a side in a direction toward a subject.

Abstract: A device for transferring a lens, including a lens installation member in which at least one lens is installed, a guide member guiding the lens installation member, a driver that transfers the lens installation member and comprises a lead screw, a clip member that comprises a thread part contacting the lead screw and an installation portion installed in the lens installation member, an installation pin that rotatably installs the clip member in the lens installation member, and an elastic member installed onto the installation pin. A first portion of the elastic member contacts the clip member and a second portion of the elastic member contacts the lens installation member. A portion of the lens installation member contacting the second portion of the elastic member has an inclined surface shape with respect to a longitudinal direction of the installation pin.

Abstract: A device for transferring a lens, including a lens installation member in which at least one lens is installed, a guide member guiding the lens installation member, a driver that transfers the lens installation member and comprises a lead screw, a clip member that comprises a thread part contacting the lead screw and an installation portion installed in the lens installation member, an installation pin that rotatably installs the clip member in the lens installation member, and an elastic member installed onto the installation pin. A first portion of the elastic member contacts the clip member and a second portion of the elastic member contacts the lens installation member. A portion of the lens installation member contacting the second portion of the elastic member has an inclined surface shape with respect to a longitudinal direction of the installation pin.