Heizring 5 "For exchange. The taming heating ring replaces the plastic holder of its Schmidt optics and ensures efficient heating of the entire look. The ring is made of light, hard -wearing aluminum. In contrast to other heating straps or strips, which warm the lens inefficiently, The Celestron-Auzeizring heats the corrector glass directly and thus offers the most efficient heat transfer to prevent the formation of rope. Connect the ring to an external 12 V equal power source. to be kept safe in the event of non -use and at the same time absorb the dust protection cover of the telescope. The DEW HEATER RING is also supplied with a cable clip connected to the front ring of the telescope. The daw heat heat is completely supplied with: - Tauhezungs ring - cable clip - Extension cable for power connection