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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.
iOptron Pier Adapter for CGX (180mm Pier Tube)

iOptron Pier Adapter for CGX (180mm Pier Tube)

by iOptron
SKU IOP-8039-CGX
$158.00 - $158.00
$158.00
$158.00 - $158.00
$158.00
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  • Designed specifically for Celestron CGX equatorial mounts
  • Fits custom-built or prefabricated 180mm diameter piers
  • Enables a permanent, stable mounting platform for an observatory
  • Dramatically reduces vibrations compared to a standard tripod
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Pier Adapter for CGX (180mm Pier Tube)

    The Celestron Pier Adapter for CGX mounts provides the critical mechanical interface needed to permanently install your equatorial mount onto a robust 180mm diameter pier. This adapter is the first step in transitioning from a portable, tripod-based setup to a fixed observatory-grade platform, ensuring maximum stability for serious astrophotography.

    Designed for 180mm Piers: A Permanent CGX Mount Foundation

    This adapter is engineered to create a solid, level connection between the base of your Celestron CGX mount and the top plate of a 180mm pier. By creating a permanent installation, you eliminate the need for repeated setup, teardown, and polar alignment each night, saving valuable imaging time. The trade-off for this stability is portability, as this adapter is intended for a fixed, non-mobile installation in a backyard or dedicated observatory.

    CGX Stability: The Advantage Over Tripod Setups

    While the standard CGX tripod is excellent for portable use, a permanent pier offers a superior level of rigidity. A pier solidly coupled to the ground is far more effective at damping vibrations from wind or ground resonance than any tripod, leading to sharper stars and better autoguiding performance. For long-exposure imaging, especially with larger optical tubes, the stability gained by using this pier adapter is the most significant upgrade you can make to your CGX mount's mechanical system.

  • What is the purpose of this Pier Adapter for my CGX mount?

    This adapter allows you to securely attach your Celestron CGX mount to the top of a permanent 180mm diameter pier. This replaces the standard tripod, providing a much more stable and rigid foundation for astrophotography and critical observation, ideal for a permanent backyard observatory.

    Will this adapter fit a pier that isn't exactly 180mm?

    This adapter is specifically designed for a 180mm outer diameter pier tube. While minor variations might be accommodated with a custom top plate (not included), it is not designed to work with significantly different pier diameters. Always measure your pier before ordering.

    How does using the CGX Pier Adapter improve imaging with a large SCT like a C11?

    A large telescope like a Celestron 11" SCT has a long focal length and significant weight, making it highly sensitive to vibrations. Mounting the CGX on a pier using this adapter creates a much more rigid system than a tripod. This minimizes shake from wind and ground vibrations, resulting in tighter stars, improved autoguiding accuracy, and a higher percentage of usable long-exposure subframes.

    Does the CGX Pier Adapter include mounting hardware?

    Mounting hardware is typically not included. The bolts required to attach the adapter to your specific pier depend on the pier's material (steel, concrete) and top plate design. You will need to source the appropriate hardware for your installation.

    Can I still polar align my CGX mount with this pier adapter?

    Yes. The adapter is designed to connect to the mount base, leaving the altitude and azimuth adjustment controls on the CGX mount itself fully accessible. You will perform your polar alignment using the mount's controls just as you would on a tripod.

    Is this pier adapter compatible with the Celestron CGX-L mount?

    No, this adapter is designed specifically for the standard Celestron CGX mount. The CGX-L has a larger and different mounting base and requires its own specific pier adapter.

  • Mount Compatibility Celestron CGX Equatorial Mount
    Required Pier Diameter 180mm

    • Pier Adapter for CGX Mounts

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  • Celestron 2-Year Warranty