Lacerta 90 cm dew heater strip 4 cm wide, compatible with telescope tubes with a circumference of 72–96 cm. Requires 12 V power and draws 1.33 A.
Anyone who has observed in cold autumn and winter conditions knows how serious a problem dew can be. A dew shield provides some protection, but this is the real solution. Dew heaters are small heating pads or heating elements that keep optical equipment warm. They can be secured around the eyepiece or telescope tube using Velcro straps. Particularly recommended for Schmidt-Cassegrain and Maksutov-Cassegrain telescopes, where the corrector plate is especially prone to dewing, but also useful for owners of refractor telescopes. Dew heaters require a 12 V power supply.
The Lacerta dew heater features an RCA male connector.

