A long-range optical device, in particular a telescopic sight, comprising a reticle, the position of which is adjustable, and an associated reticle adjustment device for adjusting the position of the reticle, comprising: a magnetic device comprising multiple magnetic elements (16a, 16b), wherein the magnetic device comprises a base body, wherein the magnetic elements (16a, 16b) are arranged or formed on the upper side and/or lower side of the base body, and a detection device associated with the magnetic device, wherein the magnetic device is mounted so as to be movable relative to the detection device and/or the detection device is mounted so as to be movable relative to the magnetic device, the detection device being configured to detect relative movements between the magnetic device and the detection device and, based on detected relative movements between the magnetic device and the detection device, to generate reticle position information describing the position of the reticle, wherein the detection device comprises at least two separate detection elements (18a, 18b), wherein a detection element is configured, based on movements of the magnetic device, to generate angular position information, which can be incorporated, or is incorporated, into the ascertainment of the reticle position information and which describes the angular position of a rotatably mounted actuating element, the movement of which is coupled to that of the reticle and which is to be actuated by an operator for adjusting the reticle, and. a detection element is configured, based on movements of the magnetic device, to generate rotational plane position information, which can be incorporated, or is incorporated, into the ascertainment of the reticle position information and which describes the rotational plane position of a rotatably mounted actuating element, the movement of which is coupled to that of the reticle and which is to be actuated by an operator for adjusting the reticle. a magnetic device comprising multiple magnetic elements (16a, 16b), wherein the magnetic device comprises a base body, wherein the magnetic elements (16a, 16b) are arranged or formed on the upper side and/or lower side of the base body, and a detection device associated with the magnetic device, wherein the magnetic device is mounted so as to be movable relative to the detection device and/or the detection device is mounted so as to be movable relative to the magnetic device, the detection device being configured to detect relative movements between the magnetic device and the detection device and, based on detected relative movements between the magnetic device and the detection device, to generate reticle position information describing the position of the reticle, wherein the detection device comprises at least two separate detection elements (18a, 18b), wherein a detection element is configured, based on movements of the magnetic device, to generate angular position information, which can be incorporated, or is incorporated, into the ascertainment of the reticle position information and which describes the angular position of a rotatably mounted actuating element, the movement of which is coupled to that of the reticle and which is to be actuated by an operator for adjusting the reticle, and. a detection element is configured, based on movements of the magnetic device, to generate rotational plane position information, which can be incorporated, or is incorporated, into the ascertainment of the reticle position information and which describes the rotational plane position of a rotatably mounted actuating element, the movement of which is coupled to that of the reticle and which is to be actuated by an operator for adjusting the reticle.