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.