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The Dew-Not Dew Heaters are an essential accessory for every astronomy enthusiast aiming to enhance their stargazing experience. These dew heaters are designed to prevent the formation of dew on your telescope’s optics, ensuring clear and uninterrupted observations of the night sky.

Key Features:

  • Efficient Dew Prevention: The Dew-Not Dew Heaters uses a thick film that produces an even heat distribution, which makes Dew-Not heaters extremely efficient and reliable to prevents dew accumulation on the telescope lens and other optical surfaces. 

  • Compatibility with Dew Heater Controllers: To achieve optimal performance, these dew heaters require a dew heater controller (sold separately). The controller allows for precise temperature adjustments, ensuring your optics are dew-free without overheating.

  • RCA Connector Design: Each dew heater is equipped with a standard RCA connector, making them compatible with a wide range of dew heater controllers that use the RCA interface. This feature ensures a secure and reliable connection for efficient operation.

  • Versatile Use: Suitable for a variety of telescopes, binoculars, and other optical instruments. Whether you’re a beginner or a seasoned astronomer, the Dew-Not Dew Heaters are an essential tool for clear, dew-free observations.

  • Durable and Safe: Manufactured in the United States by Dew-Not, these dew heaters are built to last. They are designed with safety in mind, providing the necessary warmth without the risk of damaging your valuable equipment.


P/N Length Watts Voltage Amperage
DN001 4.5" (114mm) 2.1 12v 0.18
DN002 6.5" (165mm) 3.1 12v 0.25
DN003 9.0" (229mm) 4.2 12v 0.35
DN004 13.0" (330mm) 6.0 12v 0.50
DN005 16.0" (406mm) 7.3 12v 0.61
DN006 18.0" (457mm) 7.9 12v 0.66
DN007 20.5" (521mm) 9.6 12v 0.80
DN008 25.0" (635mm) 11.8 12v 0.98
DN009 30.0" (762mm) 14.0 12v 1.18
DN010 33.0" (838mm) 15.5 12v 1.30
DN011 38.0" (965mm) 17.8 12v 1.49
DN012 40.0" (1016mm) 18.8 12v 1.57
DN013 43.0" (1092mm) 20.2 12v 1.68
DN014 49.0" (1245mm) 23.0 12v 1.92
DN015 55.0" (1397mm) 25.8 12v 2.15