An optical transmission/reception unit , comprising: a carrier rotatable about a rotational axis , an optical receiver arranged at the carrier on the rotational axis so as to receive an optical reception signal out of a first direction, an optical transmitter arranged adjacent to the optical receiver at the carrier so as to emit an optical transmission signal in a second direction, and a transmission/reception optic arranged at the carrier on the rotational axis above the optical receiver and extending across the optical receiver and the optical transmitter , wherein the transmission/reception optic includes a reception optic and a transmission optic arranged in the reception optic , wherein the reception optic is configured to guide the optical reception signal incident on the transmission/reception optics towards the optical receiver on the rotational axis , and wherein the transmission optic is arranged above the optical transmitter and is configured to shape the optical transmission signal emitted by the optical transmitter into an output beam, and wherein the transmission optic is at least partially arranged in the reception optic wherein a portion of the transmission optic facing away from the optical transmitter forms a beam-shaping surface for shaping the optical transmission signal , characterized in that the reception optics is a reception lens extending across the optical receiver and the optical transmitter , and the beam-shaping surface is formed at least partially in a surface of the reception optic facing away from the optical receiver , or at least partially projects beyond the surface of the reception optic facing away from the optical receiver or is recessed with respect to the same. a carrier rotatable about a rotational axis , an optical receiver arranged at the carrier on the rotational axis so as to receive an optical reception signal out of a first direction, an optical transmitter arranged adjacent to the optical receiver at the carrier so as to emit an optical transmission signal in a second direction, and a transmission/reception optic arranged at the carrier on the rotational axis above the optical receiver and extending across the optical receiver and the optical transmitter , wherein the transmission/reception optic includes a reception optic and a transmission optic arranged in the reception optic , wherein the reception optic is configured to guide the optical reception signal incident on the transmission/reception optics towards the optical receiver on the rotational axis , and wherein the transmission optic is arranged above the optical transmitter and is configured to shape the optical transmission signal emitted by the optical transmitter into an output beam, and wherein the transmission optic is at least partially arranged in the reception optic wherein a portion of the transmission optic facing away from the optical transmitter forms a beam-shaping surface for shaping the optical transmission signal , characterized in that the reception optics is a reception lens extending across the optical receiver and the optical transmitter , and the beam-shaping surface is formed at least partially in a surface of the reception optic facing away from the optical receiver , or at least partially projects beyond the surface of the reception optic facing away from the optical receiver or is recessed with respect to the same. is formed at least partially in a surface of the reception optic facing away from the optical receiver , or at least partially projects beyond the surface of the reception optic facing away from the optical receiver or is recessed with respect to the same. <EOS>