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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 Telescope Side Adapter - S70/SP54 for Camera Lenses
Baader UFC Telescope Side Adapter - S70/SP54 for Camera Lenses
Baader UFC Telescope Side Adapter - S70/SP54 for Camera Lenses
Baader UFC Telescope Side Adapter - S70/SP54 for Camera Lenses
Baader UFC Telescope Side Adapter - S70/SP54 for Camera Lenses
Baader UFC Telescope Side Adapter - S70/SP54 for Camera Lenses
Baader UFC Telescope Side Adapter - S70/SP54 for Camera Lenses

Baader UFC Telescope Side Adapter - S70/SP54 for Camera Lenses

by Baader Planetarium
SKU BAA-2459134
$52.00 - $52.00
$52.00
$52.00 - $52.00
$52.00
Price Match Policy!
  • Connects Baader UFC Base to camera lenses
  • Telescope Side Interface: Baader S70 Dovetail
  • Lens Side Interface: Baader SP54 Thread
  • Requires separate Hyperion SP54 adapter rings for lens connection
  • Enables use of 2" and 50mm filters with telephoto lenses
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Baader UFC Telescope Side Adapter - S70/SP54 for Camera Lenses

    This Baader UFC Telescope Side Adapter bridges the gap between professional astrophotography filter systems and standard camera lenses. It features a female S70 dovetail receptor to securely mount the main UFC-Base (#2459110) and provides a male SP54 thread on the lens side. This component is the critical first step for integrating the entire Baader Universal Filter Changer system into a wide-field imaging train built around your favorite telephoto or prime lens.

    Baader UFC Integration: Bridge Your Camera Lenses to a Professional Filter System

    The primary function of the S70/SP54 adapter is to allow imagers to use high-quality, large-format filters with camera lenses. Instead of being limited to smaller, threaded front filters, you can place the entire UFC system between your lens and camera, enabling the use of unmounted 50.4mm or 50x50mm filters for serious wide-field mosaics of targets like the Andromeda Galaxy (M31) or the Rho Ophiuchi cloud complex.

    The S70 to SP54 Standard: A Modular Connection

    This adapter is designed for modularity. The S70 side is Baader's standard dovetail for the UFC system, ensuring a rigid, flex-free connection to the filter changer base. The SP54 thread on the other side is not meant to connect directly to a lens; instead, it provides a universal interface for Baader's Hyperion SP54 adapter rings.

    • S70 Dovetail Interface: Provides a secure, non-rotating connection to the UFC Base, maintaining collimation.
    • SP54 Threaded Interface: Mates with Baader's extensive line of Hyperion Stepper Rings, which then adapt the SP54 thread down to the specific filter thread size of your camera lens (e.g., M49, M58, M67, M77).

  • What is the primary purpose of the Baader S70/SP54 UFC Adapter?

    Its sole purpose is to attach the main Baader UFC Base (filter chamber) to a standard camera lens. This allows you to use professional-grade 2-inch or 50mm square filters for wide-field astrophotography with lenses like a Rokinon 135mm or Canon 200mm f/2.8L.

    Can I thread the Baader S70/SP54 adapter directly onto my camera lens?

    No. This adapter provides an SP54 male thread, which is an intermediate standard. You must purchase a separate Baader Hyperion SP54 Stepper Ring that matches the front filter thread of your specific camera lens (e.g., SP54/M67 for a lens with a 67mm filter thread).

    How do I assemble an imaging train with the Baader S70/SP54 adapter?

    The correct assembly order is as follows:

    1. Camera Lens
    2. Baader Hyperion SP54 Stepper Ring (matches lens filter thread)
    3. This Baader UFC S70/SP54 Adapter
    4. Baader UFC Base (with filter slider)
    5. UFC Camera-Side Adapter (matches your camera mount)
    6. Your Astronomy Camera

    Why use the Baader UFC system with a lens instead of standard screw-on filters?

    The UFC system offers significant advantages. It allows you to use larger, higher-quality 2-inch or 50mm square filters which often have better coatings and transmission than smaller camera filters. It also enables quick, tool-free filter changes without disturbing the focus or framing of your lens, which is critical when shooting LRGB or narrowband sequences.

    Will the Baader S70/SP54 adapter cause vignetting?

    The Baader UFC system is designed with large clear apertures to minimize vignetting, even on full-frame sensors. However, performance depends on the specific lens. Very fast (e.g., f/1.4) or very wide-angle lenses may still show some light fall-off, which can typically be corrected with flat frames during image processing.

    Is the Baader S70/SP54 adapter compatible with any UFC Base?

    Yes, this adapter uses the standard S70 dovetail, making it compatible with the main Baader UFC Base (#2459110). It is designed as a core component of that modular system.

  • Telescope Side Connection Baader S70 Dovetail
    Lens Side Connection Baader SP54 Thread
    Compatibility Baader Universal Filter Changer (UFC) System
    Required Accessory Baader Hyperion SP54 Stepper Ring (sold separately)
    Net weight (kg) 0.02
    Inner Diameter / Clear Aperture (mm) 50 mm
    Outer Diameter 75 mm
    Type of Adapter Expanding Adapter
    Optical length (mm) 1

    • UFC Telescope Side Adapter - S70/SP54

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  • Baader Planetarium Warranty