Celestron Canon M-Mount T-Ring

Brand: Celestron

SKU : CE-93407

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  • T-Ring attaches to M-mount Canon mirrorless camera bodies
  • Works with Celestron T-Adapters
  • 42mm female diameter thread
  • Sturdy bayonet flange locks for a secure fit

Product Details

  • A T-Ring is one of the first accessories you will need to take pictures through a telescope or spotting scope. If you have a Canon EOS mirrorless camera body, the Celestron EOS M-Mount T-Ring is the one for you.

    How to Use

    To use this T-Ring, place the M-Mount T-Ring on your Canon EOS M mirrorless camera. Just like changing a lens, line up the T-Ring to your camera’s lens mount. Push it in and turn until you hear a click. The T-Ring has a sturdy bayonet flange that locks for a secure fit. Once you attach the T-Ring to your camera, you’re ready to connect your telescope. The telescope side of the T-Ring has threads that accept a variety of camera adapters, including the Celestron T-Adapter. The adapter you choose depends on the type of photography you wish to do.


    The Canon M-Mount 42mm T-ring is machined aluminum black anodized. The internal surfaces are blackened and glare-threaded to provide the highest contrast. The T-Ring has a ribbed surface for a secure grip while threading/unthreading. The Canon M-Mount 42mm T-Ring is compatible with M42 x 0.75 (T-Thread) camera adapters.

    Terrestrial and Celestial Imaging

    Pair your T-Ring with a Celestron T-Adapter to turn your telescope or spotting scope into a large telephoto lens. Depending on the optics you own, pair your M-Mount T-Ring with these adapters:

    Optics T-Adapter to pair with the M-Mount
    Spotting Scope Universal T-Adapter - 1.25"
    Schmidt-Cassegrain telescope T-Adapter for Schmidt-Cassegrain Telescopes
    Refractor telescope Universal T-Adapter - 1.25"
    Newtonian Reflector telescope Universal Barlow and T-Adapter - 1.25"
    NexStar 4SE T-Adapter, NexStar 4SE
    EdgeHD (8”) T-Adapter, (EdgeHD 8)
    EdgeHD (9.25”, 11”, 14”) T-Adapter, (EdgeHD 925, 11 & 14)


    • Thread: M42-0.75
    • Camera mount: Canon M-mount for mirrorless cameras
    • Construction: Aluminum black anodized
    • Outside Diameter: 65mm (2.56")
    • Thickness from flange: 10mm (0.39")
    • Weight: 1.76 oz (50 g)

    This T-Ring fits EOS M-mount mirrorless cameras only. It will not work with other Canon camera bodies like the EOS RF-mount or EOS EF-mount model cameras without adding a Canon adapter to convert those cameras to M-mount.

  • specifications

    Adapter Side AM42 T~thread
    Adapter Side BCanon M~mount
    Camera/Eyepiece Side ConnectionFemale M42x0.75
    Free ShippingYes
  • included items

    • Celestron Canon M-Mount T-Ring

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