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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.
Baader UFC Camera Side Adapter - 2"(M) SCT Thread

Baader UFC Camera Side Adapter - 2"(M) SCT Thread

by Baader Planetarium
SKU BAA-2459120
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
Price Match Policy!
  • Adapts the Baader UFC Base to a male 2" SCT thread
  • Enables connection of SCT-specific focal reducers and accessories
  • Mounts directly to the camera-side of the UFC Base
  • Provides a secure, non-rotating, bolted connection
  • Maintains a rigid imaging train to prevent flexure
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Baader UFC Camera Side Adapter - 2"(M) SCT Thread

    The Baader UFC Camera Side Adapter integrates accessories using the standard 2" Schmidt-Cassegrain (SCT) thread into the Baader Universal Filter Changer (UFC) system. This adapter bolts securely to the camera side of the UFC Base, providing a male 2" SCT thread for attaching focal reducers, off-axis guiders, and cameras designed for SCTs. It establishes a rigid, low-profile connection essential for maintaining optical alignment in an astrophotography setup.

    The 2" Male SCT Thread: Connecting Reducers and Cameras

    This adapter's primary function is to present a male 2" SCT thread (2"-24 TPI) on the camera side of your filter setup. This allows you to place Baader UFC filters in the optical path ahead of SCT-specific accessories, which is often a critical requirement for correct spacing and imaging system performance.

    • Focal Reducer Integration: Directly attach popular f/6.3 or f/7 focal reducers from Celestron or Meade to the UFC system before your camera.
    • SCT-Specific Cameras: Connect imaging cameras that feature a native female 2" SCT thread for a wide, secure attachment.

    Bolt-On Design: A Zero-Flexure Mount for the UFC Base

    Unlike simple threaded adapters, the UFC Camera Side Adapter uses a bolt-on mounting plate to attach to the UFC Base. This design is critical for imaging, as it completely eliminates the possibility of rotation that can occur with threaded-only connections, ensuring your camera and other accessories maintain perfect orientation throughout an imaging session. The rigid metal construction prevents flexure, even with heavier cameras or accessories attached.

    Choosing Your UFC Adapter: SCT vs. T-2 and M48 Threads

    The Baader UFC system's modularity depends on choosing the right adapter for your equipment. While M48 and T-2 threads are more common for general-purpose astronomy, the 2" SCT thread serves a vital niche.

    • Use this 2" SCT Adapter if: Your primary goal is to integrate a focal reducer or camera that specifically requires a female 2" SCT thread. This is common for imagers using classical Schmidt-Cassegrain telescopes.
    • Consider an M48 Adapter for: Full-frame cameras, most 2-inch nosepieces, and coma correctors. M48 (the "2-inch filter thread") is the modern standard for wide-field, full-frame imaging trains.
    • Consider a T-2 Adapter for: Smaller format (APS-C or smaller) cameras from brands like ZWO or QHY, and a wide range of legacy accessories that use the M42x0.75 T-thread.

  • What is the purpose of the Baader UFC 2" SCT Camera Adapter?

    This adapter allows you to connect any astronomical accessory that has a female 2" Schmidt-Cassegrain (SCT) thread to the camera-side of the Baader Universal Filter Changer (UFC) Base. Its primary use is for integrating SCT-specific focal reducers or cameras into your imaging train with the UFC filters positioned correctly.

    How does this UFC SCT adapter attach to the UFC Base?

    The adapter includes a mounting plate that bolts directly onto the UFC Base (model #2459110, sold separately). This creates a rigid, secure connection that cannot rotate or flex, which is superior to a simple screw-on adapter for astrophotography.

    Can I use the Baader UFC 2" SCT Adapter to attach my Celestron f/6.3 reducer to the UFC system?

    Yes, absolutely. The Celestron f/6.3 Reducer/Corrector has female SCT threads on the telescope side and male SCT threads on the camera side. You would typically place the UFC system between your telescope and the reducer. However, if your configuration requires placing filters *after* the reducer, this adapter provides the necessary male SCT thread to connect to a camera or other accessory downstream.

    Does this Baader UFC adapter add significant length to my imaging train?

    The Baader UFC adapters are designed to be as low-profile as possible to conserve precious back-focus. While it does add some mechanical length, it is engineered to be minimal. The exact optical path length should be referenced from Baader Planetarium's official documentation when calculating critical spacing for reducers or flatteners.

    Why would I choose this Baader UFC 2" SCT adapter over an M48 adapter for my EdgeHD 8" telescope?

    You would choose this 2" SCT adapter specifically if an accessory in your imaging train requires it. For example, if you are using an older off-axis guider or a specific focal reducer with female SCT threads. For most modern cameras and the dedicated EdgeHD reducer, an M48 adapter provides a more direct and standard connection for achieving the required 55mm back-focus.

    Is this adapter's 2" SCT thread male or female?

    This adapter provides a male (external) 2" SCT thread. It is designed to screw into an accessory that has female (internal) SCT threads.

  • Net weight (kg) 0.03
    Inner Diameter / Clear Aperture (mm) 47
    Outer Diameter 89
    Type of Adapter Reducing Adapter
    Optical length (mm) 2
    Outer Connection (eyepiece/-camera-sided) 2"/SCT Thread (50.8mm)
  • Baader Planetarium Warranty