An inspection device for inspecting a cable end of a cable, with and without a connected crimp contact, includes a mirror arrangement having a central axis along which the cable end can be arranged for inspection. The mirror arrangement includes a plurality of mirrors arranged at a predetermined angle to one another and at a predetermined angle to the central axis, each mirror viewing the cable end from a different angle. The inspection device includes a camera for generating images of the cable end from the different viewing angles of the mirrors. A transparent disk is arranged between the camera and the mirror arrangement to prevent dirt and/or dust from moving from the mirror arrangement to the camera. A compressed air cleaning device cleans the disk and/or the mirrors with compressed air ejected along the disk and/or along at least a part of the mirrors.