Astrozap Dew Heater Straps are the finest selection for the active dew fighting system. Made in the USA with advanced materials, Astrozap Dew Heater Straps apply heat evenly across the length of the strap. Astrozap stocks Dew Heater Straps for all popular sizes to fit eyepieces, finderscopes and telescope objectives. Astrozap also offers specialty heaters for binoculars, Telrad and Rigel finders.
The Astrozap FlexiHeat Dew Shield uniquely combines both active and passive methods of dew fighting with the added feature of shielding the telescope from undesirable stray light.
Please note this is a second hand item. Great condition and comes in its original packaging.
The Astrozap dual channel controller uses pulse width modulation technology. Each channel controls two outputs for a total of four outputs. Each channel is capable of a duty cycle from 5% on time at the low setting to 95% on time at the high setting.