Skip to content
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
IMPORTANT: Our store is located in Canada. All orders that include products manufactured outside of Canada or USA will be subject to tariffs and duties, regardless of the order value. US customers are responsible for all applicable duties and tariffs, and those will be billed by the carrier, except for the Lacerta upgrade kit, for which we collect them at checkout.
PrimaLuceLab Dew Heater for 450mm Diameter Telescopes

PrimaLuceLab Dew Heater for 450mm Diameter Telescopes

by PrimaLuceLab
SKU PLL-PLLFAS450
$119.00 - $119.00
$119.00
$119.00 - $119.00
$119.00
Price Match Policy!
  • Designed for telescopes with approximately 450mm tube diameters
  • Actively warms optics to prevent dew formation
  • Flexible design with elastic and Velcro for a secure fit
  • Integrates directly with PrimaLuceLab EAGLE power ports
  • Compatible with standard 12V power sources via an RCA connector
Backordered
Request Stock Alert
Availability Info
Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • PrimaLuceLab Dew Heater for 450mm Diameter Telescopes

    The PrimaLuceLab Dew Heater for 450mm Diameter Telescopes, identified by EAN code 8059020772871, provides a reliable solution to one of astrophotography's most persistent problems: condensation. By applying gentle, continuous heat directly to your optical tube, this band stops dew from forming on your corrector plate or objective lens, ensuring your imaging or observing session isn't cut short by falling temperatures.

    Defeating Dew on Large Schmidt-Cassegrains and Refractors

    Dew formation is especially problematic for telescopes with large, exposed optical surfaces, such as the corrector plates on Schmidt-Cassegrain telescopes or the objective lenses on large refractors. This dew heater band is sized specifically for these large-aperture instruments, wrapping securely around the optical tube to warm the glass just above the dew point.

    Installation is straightforward thanks to a strong Velcro fastener, and an integrated elastic section ensures a snug, consistent fit on tubes with diameters from 450mm to 460mm. This uniform contact is critical for even heat distribution and efficient dew prevention throughout the night.

    Seamless Integration with EAGLE or Standard 12V RCA Power

    This dew heater is designed to be a native component of the PrimaLuceLab ecosystem. It connects directly to one of the power output ports on any EAGLE computer, allowing you to control power delivery through the EAGLE's software interface without extra cables or controllers.

    For users without an EAGLE, the heater also features a standard RCA-style connector, making it compatible with most third-party dew controllers or any 12V DC power source that uses this common connection. This dual compatibility ensures the heater can be integrated into nearly any existing telescope setup. A separate power source or controller is required for operation.

  • What types of telescopes is the PrimaLuceLab 450mm Dew Heater designed for?

    This dew heater is ideal for large telescopes with an optical tube diameter between 450mm and 460mm. It is particularly effective on Schmidt-Cassegrain (SCT), Maksutov-Cassegrain, and large refractor telescopes, where a large, forward-facing lens or corrector plate is highly susceptible to dew.

    How does the PrimaLuceLab Dew Heater attach to a telescope like an 18" Dobsonian?

    The heater attaches using a combination of Velcro and an elastic band. You simply wrap the band around the front of the optical tube, near the objective lens or corrector plate, and secure it with the Velcro. The elastic section ensures a tight, continuous contact with the tube, which is essential for efficient heat transfer.

    Do I need a PrimaLuceLab EAGLE to use this dew heater?

    No. While it is designed for seamless integration with the EAGLE's built-in power ports, it is not required. The dew heater uses a standard RCA power connector, allowing it to be plugged into many third-party dew controllers or any 12V DC power supply with a compatible output.

    How does this dew heater prevent condensation on my optics?

    The heater contains a resistive element that generates a small amount of heat when powered. This gently warms the metal and glass of the telescope's front cell, keeping the optical surface temperature just slightly above the ambient dew point. This prevents airborne water vapor from condensing into dew on the cold glass.

    Will the PrimaLuceLab 450mm Dew Heater fit my telescope tube if it's not exactly 450mm?

    Yes, it has some flexibility. Thanks to its elasticated section, this dew heater is designed to provide a secure fit on optical tubes with diameters ranging from 450mm to 460mm.

    What kind of power connector does the PrimaLuceLab Dew Heater use?

    The heater is equipped with a male RCA-style connector. This is a common standard for 12V astronomy accessories, ensuring wide compatibility with various power sources and dew controllers.

  • EAN Code 8059020772871

    • PrimaLuceLab Dew Heater for 450mm Diameter Telescopes

      × 1

  • PrimaLuceLab 1-Year Warranty