Feature

●Telescope Heater, Frost Heater, For 27.6 inches (70 cm), Diameter 8.7 inches (22 cm)
●By wrapping this heater around the telescope or camera lens, it reduces night dew and condensation caused by the lens. Simply wrap this heater around the lens and attach it with Velcro tape
●27.6 inches (70 cm) is compatible with an outer diameter of 8.7 inches (22 cm) and a diameter of about 7.9 inches (20 cm) and is suitable for telescopes
●Please judge from the outer diameter of the lens and telescope you use. The power supply is a standard DC plug that is DC 0.2 x 0.08 inches (5.5 x 2.1 mm) and the heater control unit RCA jack. Voltage: 12 V, Power: 0 - 10 W. Adjustment knob allows for stepless adjustment


Description

Telescope Heater, Anti-Frost Heater, For 27.6 inches (70 cm) φ 8.7 inches (22 cm) by wrapping this heater around the telescope or camera lens to reduce night dew and condensation caused by the lens. Simply wrap this heater around the lens and attach it with Velcro tape. The 27.6 inches (70 cm) diameter is approx. 8.7 inches (22 cm) diameter, and is generally suitable for lenses with an aperture of about 8 inches (20 cm). *Please judge by the outer diameter of the lens or telescope. The power supply is a standard DC plug that is DC 0.2 x 0.08 inches (5.5 x 2.1 mm) and the heater control unit RCA jack. Voltage: 12 V, Power: 0 - 10 W. Adjustment knob allows for stepless adjustment.