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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.
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 Planetarium Adapter M54i to S52a – for Wide-T-Rings

Baader Planetarium Adapter M54i to S52a – for Wide-T-Rings

par Baader Planetarium
UGC BAA-2958754
$56.00 - $56.00
$56.00
$56.00 - $56.00
$56.00
Égalisation de prix!
  • Adapts Baader S52 Wide T-Rings to M54 male threads
  • Provides a secure, threaded connection to prevent camera tilt
  • Maintains maximum clear aperture to minimize vignetting
  • Creates a rigid connection for astrophotography
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Info disponibilité
Admissible à la livraison GRATUITE aux USA pour les commandes de plus de 350$.
  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • Adapter M54i to S52a – for Wide-T-Rings

    The Baader Adapter M54i to S52a provides a direct, secure connection between any Baader Wide T-Ring with an S52 dovetail and accessories featuring an M54 male thread. This critical component ensures your camera is rigidly attached to your optical train, leveraging the M54 standard to maintain a wide, clear aperture and prevent vignetting with larger sensors.

    Secure M54 Connection for Baader Wide T-Rings

    Modern flatteners, reducers, and focusers often terminate in an M54 thread to support full-frame imaging. This adapter seamlessly bridges the gap between these M54 components and Baader's S52 system used on their Wide T-Rings, creating a single, solid unit from your camera to your telescope.

    By replacing push-fit or narrower adapters, the M54i to S52a maintains the largest possible internal diameter through the connection. This is essential for preventing the corners of your images from darkening, a common issue when adapting cameras with APS-C or larger sensors through a restrictive T-minus connection.

  • What is the main purpose of the Baader M54i to S52a Adapter?

    Its primary function is to connect a camera equipped with a Baader Wide T-Ring (which uses an S52 dovetail) to a telescope accessory, such as a field flattener or focuser, that has a male M54 thread. This creates a secure, wide-aperture connection ideal for imaging.

    Will the M54i to S52a Adapter work with a standard M42 T-ring?

    No, this adapter is specifically designed for the Baader ecosystem. It connects to the S52 dovetail thread found only on Baader's Wide T-Rings. It will not work with standard M42 or M48 T-rings.

    How does the M54i to S52a Adapter help reduce vignetting?

    The adapter is designed to have a clear aperture as wide as the M54 and S52 standards allow. By avoiding the smaller M42 "T-thread" bottleneck, it ensures that the light cone from the telescope is not clipped before it reaches the camera sensor, which is critical for illuminating the corners of large sensors.

    I have a corrector with an M54 thread and a DSLR with a Baader Wide-T-Ring. Is the M54i to S52a the adapter I need?

    Yes, this is the exact component required for that setup. It will allow you to securely screw your Baader Wide T-Ring directly onto the M54 threads of your corrector, providing a rigid and properly illuminated imaging train.

    Does the M54i to S52a Adapter add significant length to the optical path?

    While any adapter adds some optical length, the Baader M54i to S52a is designed to be as low-profile as possible. Its exact optical length is minimal, ensuring it can be integrated into most imaging trains without consuming excessive back focus. You must still account for its length when calculating your total back focus distance.

    Why should I use the M54i to S52a Adapter instead of a generic M54 to M48 adapter for my camera?

    If you are using a Baader Wide T-Ring, this adapter provides a direct S52 connection that is wider and more secure than stepping down to M48 and then to your camera. The Baader system is designed to work together to maximize clear aperture; using this specific adapter maintains that design integrity and provides a more robust, tilt-free connection.

  • Baader Planetarium Warranty