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Astrozap Heater Strap for 9- to 10-inch Telescopes
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.
Power
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.
Specifications
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)
Manufacturer documentation
Astrozap AZ-709-710
Compatibility notes AZ-709-710. Requires AZ-719 or AZ-720 (not included).
Reference
90716
Data sheet
Current (A)
1.0
Fits
telescopes with 9" and 10" objectives
Length
37" (940 mm)
Model
AZ-709-710
Power (W)
12 W @ 12 V
Power source
AZ-719 / AZ-720
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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