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Baader Hyperion DT-Ring - SP54/M58
Baader Hyperion DT-Ring - SP54/M58
Baader Hyperion DT-Ring - SP54/M58

Baader Hyperion DT-Ring - SP54/M58

by Baader Planetarium
SKU BAA-2958058
CA$28.00 - CA$28.00
CA$28.00
CA$28.00 - CA$28.00
CA$28.00
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  • Connects Baader Hyperion eyepieces to camera lenses
  • Features SP54 eyepiece-side threads
  • Features M58 camera-side filter threads
  • Enables rigid, secure afocal photography (digiscoping)
  • Engineered for minimal distance between optics
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Baader Hyperion DT-Ring - SP54/M58

    The Baader Hyperion DT-Ring SP54/M58 provides a direct-thread connection between Hyperion eyepieces and digital cameras equipped with M58 filter threads. This adapter ring utilizes the eyepiece's native SP54 thread to establish a rigid, perfectly centered optical path for afocal photography, eliminating the flexure and misalignment common with universal clamp-on adapters.

    Direct-Thread Digiscoping: The SP54 to M58 Connection

    This DT-Ring is purpose-built to bridge the gap between two specific thread standards for digiscoping. The internal SP54 thread attaches directly to the top of a Baader Hyperion eyepiece, while the external M58 thread mates with the filter thread on your camera's lens, creating a single, solid unit from your telescope to your camera sensor.

    • Secure Connection: Threading the components together prevents the camera from sagging or shifting, which is critical for maintaining sharp focus during an exposure.
    • Perfect Centering: Unlike universal brackets that require careful adjustment, this ring guarantees the camera lens is perfectly aligned with the eyepiece exit pupil every time.
    • Broad Compatibility: The M58 thread is common on many high-end point-and-shoot, bridge, and system camera lenses, making this a direct fit for a wide range of imaging hardware.

    Optimized Spacing for Maximum Afocal Sharpness

    In afocal imaging, the distance between the last element of the eyepiece and the first element of the camera lens is a critical variable. Baader designed the Hyperion DT-rings to be as physically short as possible, minimizing this gap to reduce the risk of vignetting and ensure the entire camera sensor is evenly illuminated.

    By bringing the optics closer together, this ring helps you capture a sharper, higher-contrast image across the entire field of view. This is especially important when imaging bright, detailed targets like the Moon or planets, where edge-to-edge clarity is paramount.

  • How do I use the Baader Hyperion DT-Ring SP54/M58?

    First, unthread the rubber eyeguard from your Baader Hyperion eyepiece to expose the SP54 threads. Next, screw the DT-Ring onto these threads until it is snug. Finally, carefully thread your camera lens, which must have a native M58 filter thread, onto the other side of the ring.

    Which eyepieces are compatible with the Hyperion DT-Ring SP54/M58?

    This adapter is specifically designed for Baader Planetarium Hyperion eyepieces. These eyepieces feature an SP54 thread beneath their removable eyeguards for direct attachment of accessories like this DT-Ring.

    What camera lens will the Hyperion DT-Ring SP54/M58 connect to?

    The ring connects to any camera lens that has a standard M58 (58mm) filter thread on the front. If your camera lens has a different filter thread size, you will need an additional step-up or step-down ring to adapt it to M58.

    Why is this Hyperion DT-Ring better than a universal camera mount for imaging the Moon's craters?

    For high-resolution lunar imaging, stability is key. A universal mount that clamps onto the eyepiece can introduce slight flex or tilt, blurring fine details. The Hyperion DT-Ring SP54/M58 creates a solid, threaded connection that eliminates this movement, ensuring your camera remains perfectly parallel to the focal plane for maximum sharpness on features like the Rimae Sirsalis or the central peaks of Copernicus.

    Will the Hyperion DT-Ring SP54/M58 work for imaging Jupiter through my 8" SCT?

    Yes, this is an excellent application. When imaging a bright planet like Jupiter, you need a very stable connection to capture fine details like the Great Red Spot or subtle cloud bands. The rigid connection provided by the Hyperion DT-Ring prevents camera shake and ensures perfect optical alignment, which is critical for achieving high-resolution planetary results with an SCT.

    What is the advantage of the "optimized short distance" design of this Hyperion DT-Ring?

    The short physical length of the adapter minimizes the distance between the eyepiece and camera lens. This helps prevent vignetting (darkening of the corners of your image) and ensures the brightest, most evenly illuminated field of view your camera can capture.

  • Net weight (kg) 0.01
    Compatible Brands Baader Planetarium, Other
    Inner Diameter / Clear Aperture (mm) 53
    Outer Diameter 60
    Type of Adapter Expanding Adapter
    Optical length (mm) 1
    Usage for the DSLR 2" filter holder and direct connection on all Hyperion 68° eyepieces
    Inner Connection (eyepiece/-camera-sided) SP54
    Outer Connection (lens sided) M58
    Adaptable to DTAdapter II&III and Hyperion eyepieces. Fits also onto Morpheus® 76° eyepieces (in combination with #2458040 and #2958080)
    Adapters Family SP54 System

    • Baader Hyperion DT-Ring - SP54/M58

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  • Baader Planetarium Warranty