Astrozap Dew Heater – 9 & 10" Objective Telescopes (AZ-709-710) An Astrozap dew heater strap for telescopes with 9" and 10" objectives. It warms the optics slightly above ambient temperature to stop dew forming during an observing session.
Manufacturer model: Astrozap AZ-709-710 · Specifications checked against manufacturer data on 2026-11-03
An Astrozap dew heater strap for telescopes with 9" and 10" objectives. It warms the optics slightly above ambient temperature to stop dew forming during an observing session.
The heater needs an Astrozap D/C adapter (AZ-719) or the Astrozap dual-channel dew controller (AZ-720) to be powered; neither is included.
| Model | AZ-709-710 |
|---|---|
| Fits | telescopes with 9" and 10" objectives |
| Heater length | 37" (940 mm) |
| Power | 12 W at 12 V |
| Current | 1.0 A |
| Power source | AZ-719 D/C adapter or AZ-720 controller (sold separately) |
AZ-709-710. Requires AZ-719 or AZ-720 (not included).