Dew Heaters

Gently remove dew from your telescope with this dryer. 

The Celestron Dew Heater Ring is the ideal dew prevention solution for your Celestron telescope. 

The Dew Heater Ring permanently mounts to your 8" Celestron Schmidt-Cassegrain, EdgeHD, and RASA optical tube, replacing your retaining ring, so you'll never be caught without it. The installation process is quick and easy (follow the manual for instructions).

The Celestron Dew Heater Ring is the ideal dew prevention solution for your Celestron telescope.

The Dew Heater Ring permanently mounts to your 5" Celestron Schmidt-Cassegrain optical tube, replacing your retaining ring, so you'll never be caught without it.

The installation process is quick and easy (follow the manual for instructions).

The Celestron Dew Heater Ring is the ideal dew prevention solution for your Celestron telescope.

The Dew Heater Ring permanently mounts to your 6" Celestron Schmidt-Cassegrain optical tube, replacing your retaining ring, so you'll never be caught without it.

The installation process is quick and easy (follow the manual for instructions).

• Fits 11” Schmidt-Cassegrain, EdgeHD, and RASA telescope tubes
• Helps prevent dew formation on the Schmidt corrector lens
• Prevents off-axis glare from entering the optical system
• Rigid body with a velvet-lined interior surface to reduce stray light
• Two adjustable clips for easy installation and disassembly
• Cable management at the base of the shield —perfect for using the Fastar/Hyperstar configuration or using in conjunction with the Celestron Dew Heater Rings
• An included cover cap keeps your telescope free from dust when not in use

Prevents dew and improves contrast - built-in heater strap gives additional protection.

NOTE: Sirius Optics recommends that any dew heater strap or heated dew shield be connected to a dual channel dew controller and not directly to 12V.

This allows the user to regulate the current and temperature of the dew heater strap or dew shield. 

The recommended control unit is the Astrozap Dual Channel Dew Controller (Product No. 124474)

Prevents dew and improves contrast - built-in heater strap gives additional protection

NOTE: Sirius Optics recommends that any dew heater strap or heated dew shield be connected to a dual channel dew controller and not directly to 12V.

This allows the user to regulate the current and temperature of the dew heater strap or dew shield. 

The recommended control unit is the Astrozap Dual Channel Dew Controller (Product No. 124474)

Prevents dew and improves contrast - built-in heater strap gives additional protection.

NOTE: Sirius Optics recommends that any dew heater strap or heated dew shield be connected to a dual channel dew controller and not directly to 12V.

This allows the user to regulate the current and temperature of the dew heater strap or dew shield. 

The recommended control unit is the Astrozap Dual Channel Dew Controller (Product No. 124474)

The Celestron Thermistor for Smart Dewheater Controllers works in conjunction with Celestron's Smart DewHeater Controllers to allow "smart" control of third-party dew heaters.