Heizring 9.25 "For Execution. The Tahaezungsring replaces the plastic holder ring of its Schmidt optics and ensures efficient heating of the entire look. The ring is made of light, durable aluminum. In contrast to other heating tapes or strips, which heat the lens inefficient, inefficient, 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