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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.
SVBONY SV194 Photography Adapter for Nikon Camera w/ F-Mount
SVBONY SV194 Wide 48mm T-Ring Adapter for Nikon F-Mount
SVBONY SV194 Wide 48mm T-Ring Adapter for Nikon F-Mount
SVBONY SV194 Photography Adapter for Nikon Camera w/ F-Mount

SVBONY SV194 Wide 48mm T-Ring Adapter for Nikon F-Mount

by SVBONY
SKU SV-W1077B
$9.59 - $9.59
$9.59
$9.59 - $9.59
$9.59
Price Match Policy!
  • Connects Nikon F-Mount cameras to M48 (2-inch filter) threads
  • Wide 48mm clear aperture minimizes vignetting on full-frame sensors
  • Precision-machined for a secure, no-flex connection
  • Durable all-metal construction
  • Matte-black interior to reduce internal reflections
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • SVBONY SV194 Photography Adapter for Nikon Camera w/ F-Mount

    The SVBONY SV194 Photography Adapter creates a dedicated mechanical connection between a Nikon F-mount camera body and any telescope focuser, field flattener, or corrector with M48x0.75 threads. This wide T-ring is engineered to provide a stable, secure link for astrophotography, ensuring your camera sensor is held perfectly parallel to the focal plane without flexure.

    Secure Connection: The SV194 Nikon F-Mount to 48mm T-Adapter

    This adapter provides a direct, camera-specific connection that is more stable and precise than universal adapters. By matching the Nikon F-mount bayonet on one side and the common M48 accessory thread on the other, the SV194 eliminates potential points of failure or misalignment in your imaging train. The result is a rigid connection that reliably supports the weight of a DSLR camera for long-exposure astrophotography.

    48mm vs. 42mm T-Rings: Why Wider Matters for Full-Frame Sensors

    While standard T-rings use a 42mm (M42) thread, the SVBONY SV194 adapter utilizes the larger 48mm (M48) standard. This wider aperture is critical for imagers using full-frame DSLR cameras, such as the Nikon D810 or D850. A 42mm thread can act as a bottleneck, causing vignetting (darkening) in the corners of large sensors, while the 48mm opening of the SV194 ensures the entire sensor is fully illuminated by the corrected field from your flattener or reducer.

  • What is the primary use for the SVBONY SV194 adapter?

    The SVBONY SV194 is a T-ring adapter designed specifically for astrophotography. It allows you to securely attach a Nikon F-mount DSLR camera body directly to a telescope's focuser, field flattener, or other imaging accessory that uses a standard M48x0.75 thread (often called a "wide" T-thread or 2-inch filter thread).

    Will the SV194 adapter work with my Nikon D850 on a telescope with a 2-inch focuser?

    Yes, this is an ideal combination. The Nikon D850 is a full-frame camera, and the SV194's wide 48mm aperture is designed to prevent vignetting on large sensors. You will typically thread the SV194 onto a 2-inch nosepiece or directly onto a field flattener that terminates in M48 threads, which then inserts into your 2-inch focuser.

    Why should I choose this 48mm SV194 T-Ring over a standard 42mm version?

    Choose the 48mm SV194 T-Ring if you are using a full-frame camera or an imaging system with a large, corrected image circle. The wider 48mm opening passes more light to the corners of the sensor than a 42mm ring, significantly reducing or eliminating mechanical vignetting that can be difficult to correct with flat frames.

    Does the SVBONY SV194 adapter add any optical elements?

    No. The SV194 is a purely mechanical adapter. It contains no lenses or glass and does not alter the focal length or optical properties of your telescope. Its sole function is to create a secure physical connection between the camera and the telescope.

    Can I use the SV194 to image the Andromeda Galaxy (M31) with my full-frame Nikon and a field flattener?

    Absolutely. This is a perfect application for the SV194. When imaging a large target like the Andromeda Galaxy (M31), you want to use the entire area of your full-frame sensor. The SV194's 48mm aperture ensures that the light cone from your field flattener isn't clipped before it reaches the sensor, preserving brightness and detail in the corners of your image.

    Is the SV194 compatible with Nikon Z-mount mirrorless cameras?

    No. This adapter is designed exclusively for the Nikon F-mount, which is the standard for Nikon DSLR cameras. It will not physically attach to a Nikon Z-mount mirrorless camera body. You would need a different T-ring specifically made for the Z-mount.

    • SV194 Photography Adapter for Nikon F-Mount

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  • SVBONY 2-Year Warranty