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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.
Celestron Aluminum Dew Shield with Cover Cap - 6"
Celestron Aluminum Dew Shield with Cover Cap - 6"
Celestron Aluminum Dew Shield with Cover Cap - 6"
Celestron Aluminum Dew Shield with Cover Cap - 6"
Celestron Aluminum Dew Shield with Cover Cap - 6"
Celestron Aluminum Dew Shield with Cover Cap - 6"
Celestron Aluminum Dew Shield with Cover Cap - 6"
Celestron Aluminum Dew Shield with Cover Cap - 6"
Celestron Aluminum Dew Shield with Cover Cap - 6"

Celestron Aluminum Dew Shield with Cover Cap - 6"

by Celestron
SKU CEL-94020
$114.95 - $114.95
$114.95
$114.95 - $114.95
$114.95
Price Match Policy!
  • Custom-fit for all 6” Celestron Schmidt-Cassegrain telescopes
  • Rigid aluminum construction prevents flexing and improves stability
  • Velvet-lined interior absorbs stray light and moisture
  • Integrated 1.25" x 1.5" cable slot for Fastar/Hyperstar setups
  • Includes a matching 3.2 oz aluminum cover cap for dust protection and dark frames
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Celestron Aluminum Dew Shield with Cover Cap - 6"

    The Celestron Aluminum Dew Shield for 6" Schmidt-Cassegrains is a rigid, 9.5" long cylinder designed to prevent dew formation and block stray light. Its 7.5" diameter provides a perfect fit, while the total weight of 1.2 lbs ensures it won't compromise your mount's balance. The included 3.2 oz aluminum cover cap protects the corrector plate from dust and simplifies the process of capturing dark frames for astrophotography.

    9.5" Shield for Dew and Stray Light Control

    This dew shield's primary function is to delay the formation of dew on your 6" SCT's corrector plate by reducing its exposure to the cold night sky. At 9.5" long, it creates a crucial buffer, allowing you to observe or image for longer periods before active heating is required. It also serves as a lens hood, blocking off-axis light from nearby sources from entering the optical tube, which noticeably increases image contrast by darkening the background sky.

    Rigid Aluminum Body with Velvet-Lined Interior

    Unlike flexible shields that can sag or deform, this shield is constructed from a solid aluminum cylinder that maintains its shape. This rigidity ensures it won't intrude into the light path and provides superior protection against accidental bumps in the dark. The interior is lined with black velvet, which absorbs moisture and traps any stray light that enters the tube, preventing internal reflections that can wash out faint details on planets or nebulae.

    Integrated 1.25" Cable Slot and Dark Frame Cap

    Designed for the modern astroimager, a 1.25" wide by 1.5" long slot at the base provides clean cable management for accessories like Celestron's Dew Heater Rings or a Hyperstar camera. This feature routes wires neatly without creating light leaks. The matching aluminum cover cap fits snugly over the front, protecting your optics from dust and allowing you to take bias and dark frames quickly without removing the entire shield from the telescope.

    Celestron Rigid Dew Shield vs. Flexible Shields

    Choosing between a rigid and a flexible dew shield involves a trade-off between stability and portability. While flexible shields are lighter and pack down smaller, they can lose their shape or sag into the optical path.

    • Rigidity and Protection: The 1.2 lbs aluminum body offers far greater physical protection for the corrector plate and holds its circular shape perfectly, which is critical for Fastar imaging.
    • Cable Management: The integrated 1.25" cable slot is a feature not found on most generic flexible shields, offering a superior solution for managing power and data lines.
    • Storage: A flexible shield can be rolled up and stored in an accessory case. This rigid shield, with its 7.5" diameter, requires more storage space.

  • Will the Celestron Aluminum Dew Shield fit non-Celestron 6" SCTs?

    This dew shield is specifically designed for the diameter and tube configuration of Celestron 6" Schmidt-Cassegrain telescopes. While it may fit other 6" SCTs with a similar outer tube diameter, a perfect fit is only guaranteed on Celestron models.

    How does the 1.2 lbs weight of the Aluminum Dew Shield affect my telescope's balance?

    Adding 1.2 lbs to the front of your optical tube will require you to re-balance your telescope. You will likely need to slide the optical tube backward in its cradle to achieve proper balance in both declination and right ascension before starting an observing or imaging session.

    Is this dew shield sufficient for a full night of imaging in a very humid climate?

    The shield significantly delays dew formation but may not prevent it entirely during a long, humid night. For all-night imaging in high-dew environments, it's best to pair this shield with an active heating system like Celestron's 6" Dew Heater Ring for guaranteed dew-free optics.

    Can I use the Celestron Dew Shield with a solar filter?

    No. A solar filter must be mounted securely on the optical tube itself, not on an accessory. The dew shield should be removed before attaching any solar filter to ensure the filter cannot be accidentally dislodged.

    How does the cover cap help with taking dark frames with my 6" SCT?

    The opaque aluminum cover cap allows you to completely block all incoming light without touching your imaging setup. Simply place the 3.2 oz cap on the end of the dew shield to begin capturing your dark or bias calibration frames, ensuring a perfectly light-tight seal.

    Does the cable management slot on the Celestron Dew Shield allow stray light to enter?

    The 1.25" x 1.5" slot is positioned at the very base of the shield, close to the telescope tube. When cables are routed through it, they typically fill the opening, and the slot's location makes it very unlikely to admit any off-axis stray light into the optical path.

  • Material Aluminum with plastic attachment clips, interior velvet lined
    Cover Cap Aluminum - included
    Weight 1.2 lbs (.54 kg)
    Dimensions 7.5" (190.5mm) diameter x 9.5" (241.3mm) long
    Cable Slot Dimensions 1.25" (31.75mm) wide x 1.5" (38.1mm) long
    Cover Cap Weight 3.2 oz (90.7 g)
    • Celestron 6-inch Aluminum Dew Shield

      Aluminum Dew Shield for 6" SCT

      × 1

    • Aluminum Cover Cap for Dew Shield

      Aluminum Cover Cap

      × 1

    • Celestron Logo Labels

      × 2

  • Celestron 2-Year Warranty