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Astrozap Heater Strap for 3-inch Telescope Apertures

€ 69,00
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Astrozap Dew Heater – 3" Objective Telescopes (AZ-703) An Astrozap dew heater strap for telescopes with 3" objectives. It warms the optics slightly above ambient temperature to stop dew forming during an observing session.

Manufacturer model: Astrozap AZ-703 · Specifications checked against manufacturer data on 2026-11-03

Astrozap Dew Heater – 3" Objective Telescopes (AZ-703)

An Astrozap dew heater strap for telescopes with 3" 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. Astrozap warns that using a dew controller of another brand can cause damage and void the warranty.

Specifications

Model AZ-703
Fits telescopes with 3" objectives
Heater length 12" (305 mm)
Power 7.2 W at 12 V
Current 0.60 A
Power source AZ-719 D/C adapter or AZ-720 controller (sold separately)

Manufacturer documentation

Astrozap AZ-703

Compatibility notes

AZ-703. Requires AZ-719 or AZ-720 (not included).

11847

Datasheet

Stroom (A)
0.60
Past op
telescopes with 3" objectives
Lengte
12" (305 mm)
Model
AZ-703
Vermogen (W)
7.2 W @ 12 V
Stroombron
AZ-719 / AZ-720
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