The Universal Astro 12v Dew Heater prevents condensation by warming up the lens on your telescope. This is a high-output model suitable for cold and highly humid environments. It has been tested in the outdoors when the temperature drops below 32 degrees Fahrenheit and has proven to function properly at 5 degrees Fahrenheit.
This dew heater is designed for use with telescopes with an outer diameter (diameter of the telescope tube/dew shield) of 200 to 260mm, or roughly 7-9" in aperture.
- Standard 12v power cord (compatible with ZWO ASIAIR, Pegasus Powerbox, and most other astronomy power supplies).
- High, medium, and low heating modes.