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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.
Orion Optics UK Carbon Dew Heater for AG12/ODK12

Orion Optics UK Carbon Dew Heater for AG12/ODK12

by Orion Optics UK
SKU OOUK-TUBE-DEW-HEATER-AG12-ODK12
$548.00 - $548.00
$548.00
$548.00 - $548.00
$548.00
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  • Custom-designed for Orion Optics UK AG12 and ODK12 astrographs
  • Lightweight, rigid carbon fibre construction
  • Provides even heat distribution to prevent dew formation
  • Preserves optical performance during long, humid imaging sessions
  • Essential for protecting high-grade telescope optics
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Orion Optics UK Carbon Dew Heater for AG12/ODK12

    Protect your investment in world-class optics with the Orion Optics UK Carbon Dew Heater, specifically engineered for the AG12 and ODK12 astrographs. This essential accessory ensures your imaging sessions are not cut short by dew, maintaining the exceptional contrast and resolution your telescope was designed to deliver, even on the most humid nights.

    Protecting AG12 & ODK12 Optics from Dew

    The open-tube design of the AG12 and ODK12 astrographs, while excellent for rapid thermal acclimation, makes them susceptible to dew formation on the secondary and primary mirrors. Even a thin layer of moisture can scatter light, drastically reducing contrast and ending a night of imaging. This heater gently warms the telescope's main tube, keeping the optical surfaces just above the dew point without introducing tube currents.

    Custom-Fit Carbon Fibre Construction

    Unlike generic dew straps, this heater is built from carbon fibre to match the construction and thermal properties of your Orion Optics UK telescope. Its rigid, custom-fit design ensures a perfect placement on the main tube for efficient and uniform heat transfer. The lightweight construction adds minimal weight to the optical tube assembly, preserving the fine balance critical for precise tracking and guiding.

  • Why do I need a specific dew heater for my Orion Optics UK AG12 or ODK12?

    The Orion Optics UK Carbon Dew Heater is custom-built to fit the exact diameter and thermal profile of the AG12 and ODK12 carbon fibre tubes. This ensures optimal heat transfer and a secure fit that won't slip or require constant adjustment, unlike generic, flexible dew straps that may not provide even heating.

    How does the Carbon Dew Heater help maintain image quality on my ODK12 during a long, humid imaging session of the Orion Nebula (M42)?

    During a multi-hour exposure of a bright target like the Orion Nebula (M42), any dew formation will create halos around stars and wash out faint nebulosity. By keeping the optics clear, this heater ensures that your telescope maintains its high-contrast performance from the first sub-exposure to the last, preserving the fine details in the Trapezium and the faint outer gas clouds.

    Where is this Carbon Dew Heater placed on the AG12/ODK12 telescope?

    This is a tube dew heater designed to wrap around the main body of the optical tube. For most effective dew prevention on both the primary and secondary mirrors, it is typically placed around the upper section of the tube, closer to the secondary mirror assembly, gently warming the air inside the tube.

    My observatory has high humidity. Is the Orion Optics UK Carbon Dew Heater essential for my AG12 to prevent dew from ending a night imaging a target like the Andromeda Galaxy (M31)?

    Yes, in high-humidity locations, it is an essential tool. An imaging run on the Andromeda Galaxy (M31) requires hours of clear skies. This heater provides the insurance that your optics will remain dew-free throughout the night, preventing the gradual loss of signal and contrast that would otherwise ruin a long imaging project as the temperature drops.

    What kind of dew controller do I need for this Orion Optics UK heater?

    This dew heater requires an external dew controller to regulate the power output. While specific power requirements are not listed, it will connect to most standard astronomy dew controller systems that use RCA-style plugs. A controller allows you to apply just enough power to prevent dew without overheating the optics, which is critical for maintaining stable focus and avoiding tube currents.

    Will this dew heater affect the optical performance of my AG12 astrograph?

    When used with a proper dew controller, it will not negatively affect optical performance. Its purpose is to apply minimal, gentle heat to stay just above the dew point. This prevents the formation of tube currents that can degrade seeing, ensuring that the only impact on your images is the preservation of contrast and sharpness.

  • Orion Optics UK 1-Year Warranty