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Svbony SV195 T Ring Adapter EF Mount for Canon EOS DSLR Telescope
SVBONY SV195 M48x0.75 T-Ring Adapter for Canon EOS DSLR
SVBONY SV195 M48x0.75 T-Ring Adapter for Canon EOS DSLR
Svbony SV195 T Ring Adapter EF Mount for Canon EOS DSLR Telescope

SVBONY SV195 M48x0.75 T-Ring Adapter for Canon EOS DSLR

by SVBONY
SKU SV-W2054B
CA$13.00 - CA$13.00
CA$13.00
CA$13.00 - CA$13.00
CA$13.00
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  • Connects Canon EF/EF-S mount cameras to M48x0.75 threaded accessories
  • 3-screw system allows for precise sensor tilt and orthogonality adjustment
  • M48 "wide" T-ring format minimizes vignetting on larger sensors
  • Durable, all-metal construction ensures a secure connection
  • Ideal for astrophotography setups using field flatteners or coma correctors
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Svbony SV195 T Ring Adapter EF Mount for Canon EOS DSLR Telescope

    The Svbony SV195 T Ring Adapter provides a secure, adjustable connection between your Canon EF-mount DSLR and any M48x0.75 threaded accessory. Unlike standard rings, its unique 3-screw adjustment system allows you to correct for sensor tilt, ensuring your camera is perfectly orthogonal to the optical axis for sharp, consistent stars across the frame.

    M48x0.75 Threads: A Direct Connection to Your Imaging Train

    The SV195 features standard female M48x0.75 threads, making it the ideal interface for connecting your Canon EOS camera to modern field flatteners, reducers, or coma correctors. This larger thread size minimizes vignetting compared to older T2 (M42) standards, especially when using cameras with full-frame or APS-C sensors.

    3-Screw Adjustment: Achieve Perfect Sensor Orthogonality

    The critical feature of the SV195 is its integrated horizontal adjustment mechanism. By loosening and tightening three small screws on the adapter's side with the included tool, you can precisely tilt the inner ring, correcting for any sensor misalignment in your imaging train. This eliminates the frustration of elongated stars in one corner of your image, a common problem caused by minute mechanical tolerances stacking up between components.

    SV195 vs. Standard T-Rings: The Advantage of Adjustability

    A standard T-ring offers a simple, fixed connection. While effective, it provides no way to compensate for tilt. The Svbony SV195 directly addresses this limitation, giving you the control to achieve perfect orthogonality, a feature typically found in much more expensive, specialized adapters. For imagers serious about edge-of-field star quality, this adjustability is not a luxury—it's essential.

  • What is the main benefit of the Svbony SV195 T-Ring over a non-adjustable one?

    The main benefit of the Svbony SV195 is its 3-screw adjustment system. This allows you to correct for sensor tilt, ensuring your stars are sharp across the entire field of view, which is something a fixed, non-adjustable T-ring cannot do.

    Which cameras are compatible with the Svbony SV195 adapter?

    The Svbony SV195 is designed for any Canon DSLR or mirrorless camera that uses the Canon EF or EF-S lens mount. This includes the vast majority of Canon EOS cameras. It is not compatible with Canon's newer RF or M mount systems without an additional EF-mount adapter from Canon.

    What does the M48x0.75 thread on the Svbony SV195 connect to?

    The M48x0.75 female thread is a common standard in astrophotography, often called a "2-inch filter thread" or "wide T-ring thread." It connects directly to most modern field flatteners, coma correctors, and off-axis guiders that are designed to illuminate larger sensors and minimize vignetting.

    I'm using the Svbony SV195 with my 8" SCT and a focal reducer. Why are my stars in one corner misshapen?

    This is likely due to sensor tilt, which the Svbony SV195 is designed to fix. Use the included tool to slightly loosen the three adjustment screws. While viewing a star field on your screen, make tiny adjustments to the screws to change the camera's tilt until the stars in all four corners are as round as possible, then gently retighten them.

    How do I adjust the Svbony SV195 to align my Canon 6D with my refractor's field flattener?

    First, securely attach the Svbony SV195 to your Canon 6D and then thread it onto the M48 port of your flattener. Take a short test exposure of a dense star field. If you notice elongated stars in one corner, use the adjustment screws to slightly alter the camera's angle relative to the flattener until a new test image shows improved star shapes across the entire full-frame sensor.

    Is the adjustment process for the Svbony SV195 difficult?

    The process is straightforward but requires patience. It involves making small, incremental changes with the three adjustment screws while taking test images to see the effect. The key is to make minor adjustments to one screw at a time until perfect alignment is achieved.

  • Model SV195
    Telescope Connection M48x0.75 Female Thread
    Camera Connection Canon EF / EF-S Bayonet Mount
    Adjustment Mechanism 3-Screw Orthogonal Tilt Adjustment
    Compatibility Canon EOS DSLR / Mirrorless Cameras (EF/EF-S Mount)
  • Svbony 2-Year Warranty