Skip to content
Baader Budget Eyepiece Clamp -1.25"/T-2
Baader Budget Eyepiece Clamp -1.25"/T-2
Baader Budget Eyepiece Clamp -1.25"/T-2

Baader Budget Eyepiece Clamp -1.25"/T-2

by Baader Planetarium
SKU BAA-2458120
CA$30.00 - CA$30.00
CA$30.00
CA$30.00 - CA$30.00
CA$30.00
Price Match Policy!
  • Adapts T-2 (M42x0.75) Threads to a 1.25" Eyepiece Holder
  • Provides a Standard 1.25" Receptacle for Eyepieces and Accessories
  • Part of the Baader Astro T-2 System
  • Cost-Effective and Compact Design
1 in stock
Qualifies for FREE Shipping in Canada on orders over $500.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Baader Budget Eyepiece Clamp - 1.25"/T-2

    The Baader Budget Eyepiece Clamp provides a direct and reliable mechanical connection between any component of the Baader T-2 system and a standard 1.25" eyepiece or accessory. It is the most straightforward way to terminate a T-2 threaded accessory, like a diagonal or filter wheel, with a secure holder for visual observation. This clamp is engineered for simplicity and function, offering a compact and cost-effective solution for integrating 1.25" format accessories into your T-2 setup.

    The Essential T-2 to 1.25" Connection

    This eyepiece clamp serves a fundamental role within the modular Baader Astro T-2 System. Its female T-2 threads allow it to attach directly to T-2 diagonals, extension tubes, off-axis guiders, and other components, converting them to accept 1.25" eyepieces. This makes it an indispensable part for creating custom visual-backs or adding a simple eyepiece port to an imaging train for alignment and centering.

    Budget Clamp vs. ClickLock: Simplicity and Trade-Offs

    While Baader's premium ClickLock clamps offer a self-centering, twist-lock mechanism that prevents marring eyepiece barrels, the Budget Eyepiece Clamp prioritizes simplicity and affordability. The primary trade-off is the locking mechanism; this clamp uses a traditional method that is effective but lacks the convenience and uniform pressure of the ClickLock system. For observers who need a lightweight, low-profile, and economical T-2 to 1.25" adapter for a dedicated setup, the Budget Clamp is the practical choice.

  • What is the primary function of the Baader Budget Eyepiece Clamp?

    The primary function of this Baader clamp is to adapt any accessory with a male T-2 (M42x0.75) thread into a female 1.25" receptacle. This allows you to insert standard 1.25" eyepieces, Barlows, or other visual accessories into a T-2 threaded component like a diagonal or filter wheel.

    How does the Baader Budget Clamp differ from the Baader ClickLock eyepiece clamp?

    The main difference is the locking mechanism. The Budget Clamp uses a simple, direct locking method. The ClickLock clamp features a more advanced twist-to-lock system that provides perfectly centered, uniform pressure without marking your eyepiece barrels. The Budget Clamp is a more compact and economical solution, while the ClickLock offers superior ergonomics and security.

    Can I use the Baader Budget Eyepiece Clamp with a T-2 Prism Star Diagonal?

    Yes, absolutely. The Baader T-2 Prism Star Diagonal is a perfect application for this clamp. You can thread the Budget Clamp directly onto the eyepiece-side T-2 thread of the diagonal to create a simple and secure 1.25" visual back.

    Will this Baader clamp add significant length to my optical path?

    The Baader Budget Eyepiece Clamp is designed to be a low-profile adapter. While it does add some optical length, it is one of the more compact ways to convert a T-2 thread to a 1.25" holder, making it a good choice for systems with limited back focus. For a precise value, you would need to consult the Baader T-2 system chart for its exact optical length.

    What kind of accessories can I connect this Baader clamp to?

    You can connect it to any accessory that features a male T-2 thread. This includes a wide range of components from the Baader Astro T-2 System, such as:

    • T-2 Star Diagonals (Prism or Mirror)
    • T-2 Extension Tubes
    • The eyepiece port on some Off-Axis Guiders
    • T-2 compatible Filter Wheels or Drawers

    Is the Baader Budget Clamp suitable for holding a heavy camera?

    No, this clamp is designed specifically for holding relatively lightweight 1.25" visual accessories like eyepieces and Barlow lenses. It is not recommended for securing heavier items like DSLRs or dedicated astronomy cameras, which require a more robust, threaded connection to prevent flexure and ensure safety.

  • Net weight (kg) 0.03
    Screw Type M4 clamping screw
    Compatible Brands Astro T-2, UNC, Baader Planetarium, Celestron
    Clamping System Screw clamps
    Inner Diameter / Clear Aperture (mm) 31.75 (1¼")
    Outer Diameter 45
    Type of Adapter Eyepiece Clamp
    Optical length (mm) 23.5
    Usage for rotation clamping
    Inner Connection (eyepiece/-camera-sided) ø 1¼" (31.75 mm)
    Inner Connection (lens sided) M42 x 0.75 (T-2)
  • Baader Planetarium Warranty