Celestron Thermistor for Smart Dew Heater Controller 20117 ► 13kg payload capacity with

► 13kg payload capacity with counterweights

999% of the sunlight is blocked

5 Degrees  5

Unlike other heating bands or strips that inefficiently heat the lens cell to warm the glass

The front 'crown' of the filter incorporates milled notches which make handling and threading the filter a more secure operation in the dark

Celestron Thermistor for Smart Dew Heater Controller 20117 ► 13kg payload capacity withTake the guesswork out of using third party heating bands or straps and increase your power efficiency with the Celestron Thermistor for Smart DewHeater Controllers. This accessory allows the Smart Dew Heater Controller (sold separately) to deliver just the right amount warmth for to your telescopes corrector to prevent dew without wasting battery. 6 cable length accommodates a wide variety of configurations. How it works Connect the heating band to