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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
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  • Connects Nikon F-Mount cameras to M48 (2-inch filter) threads
  • Wide M48x0.75 thread, larger than a standard M42 T-ring
  • Precision-machined for a secure, no-flex connection
  • Durable all-metal construction
  • Matte-black interior to reduce internal reflections
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Vignetting Calculator

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Check which filter and adapter sizes clear the sensor with the SVBONY SV194 Wide 48mm T-Ring Adapter for Nikon F-Mount, and how much light the corners lose.

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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 wider M48 thread of the SV194 leaves a larger opening that reduces this corner darkening.

  • 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 wider M48 thread leaves a larger opening than a 42mm T-ring, which helps reduce 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 M48 thread leaves a larger opening than a 42mm ring, so more light reaches the corners of the sensor and mechanical vignetting is reduced.

    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 wider M48 opening clips less of the light cone from your field flattener than a 42mm T-ring, preserving more brightness 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.

  • Camera Side Nikon F-mount
    Telescope Side M48x0.75 Female
    Material Aluminum
    Weight 26.3 g

    • SV194 Photography Adapter for Nikon F-Mount

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  • SVBONY 2-Year Warranty