Skip to content
Price match 30-day returns* Talk to an astronomer before you buy
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug
SBIG Replacement Desiccant Plug

SBIG Replacement Desiccant Plug

by SBIG
SKU DL-DESICCANT-AL
$149.00 USD - $209.00 USD
$189.00 USD
$149.00 USD - $209.00 USD
$189.00 USD
Price Match Policy!
  • Maintains a dry, frost-free CCD chamber
  • User-rechargeable in a conventional oven
  • Prevents image degradation from sensor condensation
  • Specific versions for Aluma, STX, STXL, STF, and STT cameras
  • Covered by a 1-year warranty
Compatibility
Backordered
Request Stock Alert
Availability Info
Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • SBIG Replacement Desiccant Plug

    This SBIG Replacement Desiccant Plug is the official, user-rechargeable solution for preventing frost and condensation inside your camera's sealed sensor chamber. Designed for specific SBIG models including the STXL-11002M and STT-8300, this essential component absorbs moisture that can cause ice to form on the sensor or optical window during cooling. Each plug is covered by a 1-year warranty.

    Frost-Free Imaging for STX-16803 & Aluma Sensors

    The primary function of the desiccant plug is to protect your investment and your data. As a CCD or CMOS sensor cools to sub-zero temperatures, any trapped moisture inside the camera body will condense and freeze on the coldest surfaces, typically the sensor itself. This results in dark spots, rings, or irregular patterns that ruin an otherwise perfect sub-exposure. By keeping the internal environment dry, this plug ensures consistent, clean data from your Aluma, STX, or other compatible SBIG camera, night after night.

    A Desiccant Plug You Can Recharge

    Unlike disposable packets, the SBIG desiccant plug is designed for reuse. When the desiccant becomes saturated, you don't need to buy a new one; simply remove the plug and recharge it by baking it in a conventional oven according to your camera's user manual. This simple maintenance procedure helps you avoid unnecessary returns for service, keeping your camera in the field where it belongs.

    Find Your Fit: Plugs for STXL-11002M, STT-8300 & More

    SBIG cameras use different physical plug designs across their various product lines. It is critical to select the correct version to ensure a proper seal and effective moisture control. This replacement part is available in specific configurations for a wide range of cameras, from the compact STF-8300 to the large-format STX-9000. Referencing your camera model against the provided list ensures you receive the exact part needed to maintain its sealed chamber integrity.

  • What is the purpose of the SBIG Replacement Desiccant Plug?

    The SBIG Replacement Desiccant Plug absorbs moisture inside the sealed sensor chamber of your cooled astronomy camera. This prevents condensation and ice from forming on the sensor or the inside of the optical window when the camera is cooled, which would otherwise create defects in your images.

    How do I know when to recharge my SBIG desiccant plug?

    The most common sign that your desiccant is saturated is the appearance of frost or condensation in your images, especially during long exposures with aggressive cooling. If you notice dark, circular, or irregular blotches that are not dust motes, it is likely time to recharge the plug.

    How do I recharge the SBIG Replacement Desiccant Plug?

    You can recharge the plug by baking it in a conventional oven. For the temperature and duration, follow the instructions in your SBIG camera's user manual.

    Which SBIG desiccant plug do I need for my STF-8300 camera?

    For an STF-8300, you would need the version designated for the STF series, which corresponds to part number DL-DESICCANT-STF or DL-DESICCANT-STF-EN. Always check the specific version to ensure you order the correct part for your camera body.

    Will this desiccant plug fit my older SBIG STX-16803 camera?

    Yes, there is a specific version of the plug for STX-series cameras. You would need to select the version for STX-16803/STX-6303/STX-9000 and older STL Cameras, which corresponds to part number DL-DESICCANT-STX-STL.

    Why are there different versions of the SBIG Replacement Desiccant Plug?

    SBIG (now Diffraction Limited) has produced many camera series over the years, including the Aluma, STX, STXL, STF, and STT lines. These cameras use different plug styles, so Diffraction Limited offers a separate version for each camera series. Check your camera model against the version list before ordering.

  • Versions Aluma (DL-DESICCANT-AL); STX-16803/STX-6303/STX-9000 and older STL Cameras (DL-DESICCANT-STX-STL); STXL-11002M and STXL-6303 (DL-DESICCANT-STXL); STF-8300's/STF-8050's/STF-4070's/HERMES-8300's/OSIRIS-8050's and REMOTEHDSTX (DL-DESICCANT-STF); STF-8300's/STF-8050's/STF-4070's (DL-DESICCANT-STF-EN); STT-1603/3200/8300 (DL-DESICCANT-STT)
    Warranty 1 year

    • SBIG Replacement Desiccant Plug

      × 1

  • Diffraction Limited 1-Year Warranty