A lens barrel comprising: a lens unit provided with an optical system; a support frame that supports the lens unit to be movable in a direction of an optical axis of the optical system; a focus ring that is disposed on an outer circumferential side of the lens unit and is operated relative to the lens unit for manually performing focus adjustment; an operating section that is provided to protrude radially outwardly from the focus ring, and is operated for rotating the focus ring; and a fixing section for fixing the focus ring to the support frame when the focus adjustment is automatically performed, wherein the fixing section has a fixing button that is operated for fixing the focus ring to the support frame, the fixing button being disposed on the operating section, characterized in that the lens barrel further comprising a distance scale ring provided with: a through groove which is formed along the direction of the optical axis and with which the fixing button is engaged; a first distance scale indicator formed along a circumferential direction relative to the optical axis and indicating a scale of distance for a normal photography mode; and a second distance scale indicator formed adjacent to the first distance scale indicator and indicating a scale of distance for a macro photography mode, wherein, when the focus ring rotates, the distance scale ring rotates along with the focus ring by engagement between the fixing button and the through groove, the first distance scale indicator is disposed closer to the focus ring relative to the second distance scale indicator in the direction of the optical axis in the normal photography mode, in switching between the normal photography mode and the macro photography mode, the fixing button relatively moves along the through groove, by which the distance scale ring moves relative to the focus ring in the direction of the optical axis, and in the macro photography mode, the first distance scale indicator is disposed radially inside of the focus ring, and the second distance scale indicator is disposed adjacent to the focus ring in the direction of the optical axis. a lens unit provided with an optical system; a support frame that supports the lens unit to be movable in a direction of an optical axis of the optical system; a focus ring that is disposed on an outer circumferential side of the lens unit and is operated relative to the lens unit for manually performing focus adjustment; an operating section that is provided to protrude radially outwardly from the focus ring, and is operated for rotating the focus ring; and a fixing section for fixing the focus ring to the support frame when the focus adjustment is automatically performed, wherein the fixing section has a fixing button that is operated for fixing the focus ring to the support frame, the fixing button being disposed on the operating section, characterized in that the lens barrel further comprising a distance scale ring provided with: a through groove which is formed along the direction of the optical axis and with which the fixing button is engaged; a first distance scale indicator formed along a circumferential direction relative to the optical axis and indicating a scale of distance for a normal photography mode; and a second distance scale indicator formed adjacent to the first distance scale indicator and indicating a scale of distance for a macro photography mode, a through groove which is formed along the direction of the optical axis and with which the fixing button is engaged; a first distance scale indicator formed along a circumferential direction relative to the optical axis and indicating a scale of distance for a normal photography mode; and a second distance scale indicator formed adjacent to the first distance scale indicator and indicating a scale of distance for a macro photography mode, wherein, when the focus ring rotates, the distance scale ring rotates along with the focus ring by engagement between the fixing button and the through groove, the first distance scale indicator is disposed closer to the focus ring relative to the second distance scale indicator in the direction of the optical axis in the normal photography mode, in switching between the normal photography mode and the macro photography mode, the fixing button relatively moves along the through groove, by which the distance scale ring moves relative to the focus ring in the direction of the optical axis, and in the macro photography mode, the first distance scale indicator is disposed radially inside of the focus ring, and the second distance scale indicator is disposed adjacent to the focus ring in the direction of the optical axis.