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AstroZap 3-inch Dew Heater Strap and Controllers

SKU AZ-703
Original price $47.96 - Original price $47.96
Original price
$47.96 - $47.96
Current price $47.96
In stock

Ships To: United States & Canada 🇺🇸 🇨🇦

✓ Free U.S. Shipping (on most orders over $150 USD)

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Ships In: 1-3 Business Days

Estimated Delivery Time: 3-7 Business Days

Shipping & Returns

We offer free U.S. shipping to the lower 48 States - on most orders over $150 USD. Some limitations apply.

Shipping fees will apply on most orders shipping across Canada, with some exceptions.

We offer a 30 Day Return Policy on most of the products that we carry.

For full details on our Shipping & Returns Policy, please click here.


The vast majority of products that we sell, with a few exceptions, are covered under Warranty.

To view the Warranty details for each brand that we sell, including products that do not qualify for Warranty, please visit here.

AstroZap 3-inch Dew Heater Strap - AZ-703

Introducing the AstroZap 3-inch Dew Heater Strap:

When it comes to combating dew, the AstroZap Dew Heater Strap stands out as the ultimate solution for proactive dew prevention.

Meticulously crafted in the United States using state-of-the-art materials, these heater straps ensure uniform heat distribution along their entire length.

AstroZap offers an extensive lineup of Dew Heater Straps designed to accommodate a variety of popular sizes, including options customized for eyepieces, finderscopes, and telescope objectives.

Furthermore, AstroZap provides specialized heaters specifically designed for binoculars, Telrad, and Rigel finders.

The side of the strap that faces your telescope is thoughtfully engineered with a protective material, safeguarding your telescope's finish and preventing any undesired marks or scratches.

Thanks to the adjustable Velcro attachment, you can achieve a secure and efficient fit, delivering precisely the right amount of heat to keep the objective above the dew point.

For optimal performance, pair the Dew Heater Strap with the AstroZap Dual Channel Dew Controller, offering precise control over dew prevention.

It's essential to note that Dew Heater Straps and Controllers are available separately, providing you with the flexibility to customize your dew-fighting setup to suit your specific needs.



  • Cutting-Edge Dew Control: The Dew Heater Strap is meticulously engineered to actively combat the formation of dew on your telescope's optics, guaranteeing crystal-clear and uninterrupted observations.
  • American Craftsmanship: Proudly crafted in the United States using advanced materials, it promises unrivaled durability, reliability, and top-tier dew-fighting performance.
  • Adaptable Sizing: Available in a variety of sizes to accommodate a broad spectrum of optical components, including eyepieces, finderscopes, and telescope objectives, it offers a versatile solution for your equipment setup.
  • Specialized Heaters: AstroZap offers specialized heaters tailored specifically for binoculars, Telrad, and Rigel finders, broadening the compatibility of your gear.
  • Telescope Finish Protection: The side of the strap facing your telescope is constructed with materials that provide a protective shield for your telescope's finish, ensuring no damage or scratches occur during use.


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