An endoscope comprising: a proximal endoscope handle comprising at least one rotatable operating unit (9; 13), preferably a handle wheel, and at least one wire receiving unit (8; 12), preferably a wire drum, the wire receiving unit (8; 12) being rotatably connected to the operating unit (9; 13); a distal tip unit configured to be inserted into a patient's body cavity; an endoscope shaft connecting the endoscope handle and the distal tip unit ; and at least one steering wire (6; 7; 10; 11), a proximal end portion of which being held by or fixed to the wire receiving unit (8; 12), the steering wire (6; 7; 10; 11) being guided from the wire receiving unit (8; 12) to the distal tip unit and being configured to be pulled by rotating the operating unit (9; 13), thereby tilting the distal tip unit in at least a defined first direction, wherein the proximal end portion of the at least one steering wire (6; 7; 10; 11) is wound around/on the wire receiving unit (8; 12) for at least one full turn, and the wire receiving unit (8; 12) comprises a first groove , a second groove and a third groove , the grooves extending in a circumferential direction of the wire receiving unit (8; 12) and guiding/accommodating two steering wire end portions, characterized in that the two steering wire end portions both enter the same circumferential groove among the first groove , the second groove and the third groove , in particular at diametrically opposed positions of the respective circumferential groove, and transition to their respective own groove among the first groove , the second groove and the third groove when wound around the wire receiving unit (8; 12). a proximal endoscope handle comprising at least one rotatable operating unit (9; 13), preferably a handle wheel, and at least one wire receiving unit (8; 12), preferably a wire drum, the wire receiving unit (8; 12) being rotatably connected to the operating unit (9; 13); a distal tip unit configured to be inserted into a patient's body cavity; an endoscope shaft connecting the endoscope handle and the distal tip unit ; and at least one steering wire (6; 7; 10; 11), a proximal end portion of which being held by or fixed to the wire receiving unit (8; 12), the steering wire (6; 7; 10; 11) being guided from the wire receiving unit (8; 12) to the distal tip unit and being configured to be pulled by rotating the operating unit (9; 13), thereby tilting the distal tip unit in at least a defined first direction, wherein the proximal end portion of the at least one steering wire (6; 7; 10; 11) is wound around/on the wire receiving unit (8; 12) for at least one full turn, and the wire receiving unit (8; 12) comprises a first groove , a second groove and a third groove , the grooves extending in a circumferential direction of the wire receiving unit (8; 12) and guiding/accommodating two steering wire end portions, characterized in that the two steering wire end portions both enter the same circumferential groove among the first groove , the second groove and the third groove , in particular at diametrically opposed positions of the respective circumferential groove, and transition to their respective own groove among the first groove , the second groove and the third groove when wound around the wire receiving unit (8; 12). <EOS>