Dew Shields & Heaters

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.

The dew shield is the basic component of the passive dew fighting system. Astrozap Aluminum and FlexiShields are proudly made in the USA of the highest quality materials and workmanship.

The Celestron Aluminum Dew Shield with Cover Cap is an essential accessory that protects your telescope tube in the field. The dew shield reduces radiative cooling of the Schmidt corrector lens to the night sky.

The Celestron Aluminum Dew Shield with Cover Cap is an essential accessory that protects your telescope tube in the field. The dew shield reduces radiative cooling of the Schmidt corrector lens to the night sky.

The Celestron Dew Heater Ring is the ideal dew prevention solution for your Celestron telescope. This must-have accessory will improve your observing or imaging nights year-round.

The Celestron Aluminum Dew Shield with Cover Cap is an essential accessory that protects your telescope tube in the field. The dew shield reduces radiative cooling of the Schmidt corrector lens to the night sky.

The Celestron Aluminum Dew Shield with Cover Cap is an essential accessory that protects your telescope tube in the field. The dew shield reduces radiative cooling of the Schmidt corrector lens to the night sky.

The Celestron Aluminum Dew Shield with Cover Cap is an essential accessory that protects your telescope tube in the field. The dew shield reduces radiative cooling of the Schmidt corrector lens to the night sky.

Work smarter, not harder, when it comes to combating dew. The Smart DewHeater and Controller 2x prolongs your battery life by optimizing power usage for up to two dew heaters.

Work smarter, not harder, when it comes to combating dew. The Smart DewHeater and Power Controller 4X prolongs your battery life by optimizing power usage for up to four dew heaters.