Baader Hyperion T-Adapter - M54/T-2
- Connects Hyperion MkIII Zoom to T-2 T-Rings
- Female M54 Eyepiece-Side Thread
- Male T-2 Camera-Side Thread
- Enables Rigid, Secure Afocal Astrophotography
- All-Metal Construction
The Baader Hyperion T-Adapter provides the essential M54 to T-2 thread conversion required to connect a DSLR or mirrorless camera to the older Hyperion Mark III Clickstop Zoom eyepiece. This component creates a single, rigid imaging train for stable and secure afocal projection photography.
This adapter is engineered for one specific purpose: to couple a camera's T-ring directly to the M54 threads found on the Baader Hyperion Mark III Zoom. By creating an all-threaded connection, it eliminates the potential for camera sag or tilt that can occur when using simple compression-fit or clamp-style adapters, ensuring your camera remains perfectly aligned with the optical axis.
The male T-2 thread is the de facto standard for astrophotography accessories. By converting the eyepiece's M54 thread to T-2, this adapter makes the Hyperion Mark III Zoom compatible with the entire ecosystem of T-rings available for virtually every DSLR and mirrorless camera brand, including Canon, Nikon, Sony, and more.
Its sole function is to adapt the female M54 thread on the older Baader Hyperion Mark III Clickstop Zoom eyepiece to the male T-2 thread standard used by camera-specific T-rings. This allows you to securely attach a DSLR or mirrorless camera for afocal astrophotography.
No. This adapter is specifically designed for the threads on the older Mark III version of the Hyperion Clickstop Zoom. The Mark IV and other eyepieces may use different threading and are not compatible.
To complete the connection to your camera, you will need two parts: this M54/T-2 adapter which threads onto the eyepiece, and a separate T-ring for your specific Sony E-mount camera body. The T-ring threads onto this adapter, and the other side of the T-ring mounts to your camera like a lens.
It provides a rigid, all-threaded connection from the eyepiece to the camera. This prevents the camera from tilting or sagging during a long exposure, which is a common problem with simple clamp-based adapters. The result is a more stable imaging train and potentially sharper stars across the field.
No, this is not a visual accessory. The Baader Hyperion M54/T-2 T-Adapter terminates in a male T-2 thread designed for a camera T-ring. It does not have a barrel or holder to accept another eyepiece.
It is highly unlikely. The adapter is precisely machined for the specific M54 threads on the Baader Hyperion Mark III Zoom. Other eyepieces from other manufacturers will almost certainly use different, incompatible thread sizes or have no threads at all.
| Net weight (kg) | 0.01 |
| Compatible Brands | Astro T-2, Baader Planetarium |
| Inner Diameter / Clear Aperture (mm) | 37 |
| Outer Diameter | 57 |
| Type of Adapter | Reducing Adapter |
| Optical length (mm) | 1.5 |
| Inner Connection (eyepiece/-camera-sided) | SP54 |
| Outer Connection (lens sided) | M42 x 0.75 (T-2) |
| Adapters Family | T-2 System, SP54 System |