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Astrozap Heater Strap for 4-inch Telescope Apertures

79,00 €
TTC

Astrozap Dew Heater – 4" Objective Telescopes (AZ-704) An Astrozap dew heater strap for telescopes with 4" objectives. It warms the optics slightly above ambient temperature to stop dew forming during an observing session.

Manufacturer model: Astrozap AZ-704 · Specifications checked against manufacturer data on 2026-11-03

Astrozap Dew Heater – 4" Objective Telescopes (AZ-704)

An Astrozap dew heater strap for telescopes with 4" 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-704
Fits telescopes with 4" objectives
Heater length 15" (381 mm)
Power 6.2 W at 12 V
Current 0.52 A
Power source AZ-719 D/C adapter or AZ-720 controller (sold separately)

Manufacturer documentation

Astrozap AZ-704

Compatibility notes

AZ-704. Requires AZ-719 or AZ-720 (not included).

11848

Fiche technique

Courant (A)
0.52
Compatible avec
telescopes with 4" objectives
Longueur
15" (381 mm)
Modèle
AZ-704
Puissance (W)
6.2 W @ 12 V
Source d'alimentation
AZ-719 / AZ-720
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