Lacerta 50 cm dew heater strip is 4 cm wide and compatible with tubes having a circumference of 40-56 cm. It requires 12V and has a current draw of 1.00 A.
Anyone who has observed in the cold autumn-winter months knows how problematic dew can be. While a dew shield offers some protection, this is the "real" solution. Dew heaters are small heating pads or wires that keep optics warm. They can be attached around the eyepiece or tube using Velcro straps. Highly recommended for Schmidt and Maksutov-Cassegrain telescopes, where the corrector lens is particularly prone to dewing, but also useful for refractor telescope owners. Dew heaters require a 12V power supply.
The Lacerta dew heater comes with an RCA male connector.

