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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 280mm Diameter Telescopes

PrimaLuceLab Dew Heater for 280mm Diameter Telescopes

by PrimaLuceLab
SKU PLL-PLLFAS280
$99.00 - $99.00
$99.00
$99.00 - $99.00
$99.00
Price Match Policy!
  • Fits optical tubes from 280mm to 300mm in diameter
  • Prevents dew formation on primary optics
  • Powered by 12V DC with an RCA connector
  • Low power consumption at 630mA
  • Designed for seamless integration with PrimaLuceLab EAGLE controllers
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • PrimaLuceLab Dew Heater for 280mm Diameter Telescopes

    The PrimaLuceLab Dew Heater for 280mm Diameter Telescopes provides consistent 12V heating to prevent lens dewing on damp nights. Its elastic construction accommodates optical tubes from 280mm to 300mm in diameter and draws only 630mA, ensuring your optics remain clear without significantly draining your field battery.

    12V, 630mA Heating to Maintain Clear Optics

    Dew formation on a corrector plate or objective lens can prematurely end an observing session, especially with sealed optical tubes like Schmidt-Cassegrains and refractors. This heater gently warms the optics just above the dew point, powered by a standard 12V source with a common RCA connector. The 630mA power draw is efficient enough for all-night operation from a portable power supply.

    Flexible 280-300mm Fit with EAGLE Control

    Designed for large-aperture instruments, this dew heater features an elastic band and strong Velcro fastener for a secure, uniform fit on any optical tube between 280mm and 300mm in diameter. While it can be connected to any 12V controller with an RCA output, it is built for direct integration with the PrimaLuceLab EAGLE, allowing you to manage power directly from your central control unit.

  • Will the PrimaLuceLab Dew Heater fit my Celestron C11 or Meade 10" SCT?

    Yes. A Celestron 11" (280mm) SCT is at the nominal size for this heater. A Meade 10" SCT has an outer diameter of approximately 285mm. Since this heater's elastic design accommodates tubes from 280mm to 300mm, it will provide a secure fit for both instruments.

    How do I power the PrimaLuceLab 280mm Dew Heater?

    The heater is powered by a 12V DC source and uses a standard RCA-style plug. You can connect it directly to one of the power ports on a PrimaLuceLab EAGLE computer or use any third-party dew controller that has a 12V RCA output.

    Can I control the temperature of the PrimaLuceLab Dew Heater?

    This dew heater does not have a built-in controller. The heat output is managed by the device it is plugged into. When connected to a PrimaLuceLab EAGLE, you can use the EAGLE Manager software to turn the power port on or off. For variable temperature control, you would need to connect it to a dedicated dew controller with adjustable output.

    Is this PrimaLuceLab heater necessary for imaging planets with my 280mm SCT on a humid night?

    Absolutely. High-resolution planetary imaging requires stable, clear optics. On humid nights, the corrector plate of an SCT can dew over surprisingly quickly, blurring fine details on Jupiter or Saturn. This dew heater prevents that by keeping the glass just above the dew point, ensuring your view remains sharp for the entire imaging session.

    What is the advantage of using this dew heater with a PrimaLuceLab EAGLE?

    The primary benefit is system integration and cable management. The EAGLE provides multiple 12V power ports, allowing you to power this dew heater directly from the unit mounted on your telescope. This eliminates the need for a separate dew controller and extra power cables running from the ground up to your optical tube.

    How much power does the PrimaLuceLab 280mm heater consume?

    The heater has a power consumption of 630mA (0.63 Amps) at 12V. This is a relatively low draw, allowing for extended use in the field with most portable astronomy power supplies without rapid battery depletion.

  • Supported Tube Diameter 280mm to 300mm
    Power Input 12V DC
    Power Connector RCA
    Power Consumption 630mA
    Fastening Method Velcro and elastic band
    EAN Code 8059020772901

    • PrimaLuceLab Dew Heater for 280mm Diameter Telescopes

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  • PrimaLuceLab 1-Year Warranty