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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 SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"
SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"

SVBONY SV149 Canon DSLR Lens to Eyepiece Adapter - 1.25"

by SVBONY
SKU SV-W9112A
$18.39 - $18.39
$18.39
$18.39 - $18.39
$18.39
Price Match Policy!
  • Adapts Canon EF and EF-S mount lenses to 1.25" astronomy accessories
  • Enables use of high-quality camera lenses for wide-field astrophotography
  • Accepts standard 1.25" eyepieces, guide cameras, and planetary cameras
  • Durable and rigid aluminum alloy construction
  • Lightweight design at only 122g (4.25oz)
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Warranty

  • SVBONY SV149 Canon DSLR Lens to 1.25" Eyepiece/Astro Camera Adapter

    The SVBONY SV149 adapter converts any Canon EF or EF-S mount lens into a compact telescope, accepting standard 1.25" astronomy cameras and eyepieces. Constructed from black aluminum alloy, this adapter weighs just 122g and measures a compact 70x41x70mm, creating a rigid, lightweight connection for portable wide-field imaging or visual observation.

    Repurpose Your Canon EF/EF-S Lens for 1.25" Astronomy

    Unlock the astronomical potential of your high-quality camera lenses. The SV149 adapter allows you to attach a 1.25" planetary camera, guide camera, or eyepiece directly to a Canon EF or EF-S lens, effectively turning it into a portable, wide-field refractor. This is an ideal solution for creating a compact grab-and-go imaging rig for capturing large targets like the Andromeda Galaxy (M31) or the North America Nebula (NGC 7000).

    All-Metal Construction at a Compact 122g

    Engineered from a single piece of aluminum alloy, the SV149 ensures a secure, flex-free connection between your heavy lens and sensitive camera. At only 122g (4.25oz), it adds minimal weight to your setup, reducing strain on your lens's tripod collar and your mount. The adapter's precise machining provides a stable optical axis, which is critical for maintaining sharp focus across the field.

  • What does the SVBONY SV149 adapter allow me to do?

    The SVBONY SV149 lets you use a Canon EF or EF-S mount camera lens as a telescope. You can attach any standard 1.25-inch accessory, such as a planetary camera for imaging, a guide camera for autoguiding, or an eyepiece for visual observation, directly to your camera lens.

    Which Canon lenses are compatible with the SV149 adapter?

    This adapter is compatible with all Canon lenses that use the EF and EF-S mounts. This includes a wide range of telephoto, prime, and zoom lenses from Canon and third-party manufacturers like Sigma and Tamron.

    Can I control the aperture of my Canon lens with the SV149 attached?

    No, the SVBONY SV149 is a mechanical adapter and does not have electronic contacts. You must use a lens with a manual aperture ring to control the f-ratio. Lenses that rely on electronic aperture control from a camera body will remain wide open when attached to this adapter.

    How would I use the SVBONY SV149 to photograph the Orion Nebula (M42) with my 300mm lens?

    You would attach your 300mm Canon lens to the SV149 adapter, then insert your 1.25" astronomy camera into the adapter's eyepiece holder. Mount the entire assembly to a tracking mount using the lens's tripod collar. Your 300mm lens becomes the telescope's objective, providing a wide field of view perfect for framing the entirety of M42.

    Is the SVBONY SV149 suitable for creating a guide scope?

    Yes, this is an excellent application. Pairing a small, lightweight telephoto lens (e.g., 135mm or 200mm) with the SV149 and a 1.25" guide camera creates a highly effective and lightweight guide scope. This setup is often lighter and offers better optical quality than many dedicated small guide scopes.

    How do I focus when using the SVBONY SV149 with my Canon 70-200mm lens?

    Focusing is achieved by using the manual focus ring on your Canon 70-200mm lens. The SV149 adapter itself has no moving parts or focuser. You will look at the live view from your attached astronomy camera and adjust the lens's focus ring until the stars are sharp points.

  • Brand SVBONY
    Color Black
    Material Aluminum Alloy
    Lens Compatibility Canon (EF and EF-S)
    Adapter Thread M60*0.75
    Dimensions 70 x 41 x 70mm
    Weight 122g / 4.25oz / 0.266lb

    • SV149 Canon DSLR Lens to 1.25" Adapter

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  • SVBONY 1-Year Warranty