Skip to content
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.
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.
Celestron T-Adapter, (EdgeHD 925, 11 & 14)
Celestron T-Adapter, (EdgeHD 925, 11 & 14)
Celestron T-Adapter, (EdgeHD 925, 11 & 14)

Celestron T-Adapter, (EdgeHD 925, 11 & 14)

by Celestron
SKU CEL-93646
$74.95 - $74.95
$74.95
$74.95 - $74.95
$74.95
Price Match Policy!
  • Connects DSLR cameras to EdgeHD telescopes
  • Designed for 9.25", 11", and 14" models
  • Threads directly to the rear cell for a secure connection
  • Enables prime focus photography
  • Ideal for terrestrial, lunar, and planetary imaging
1 in stock
Qualifies for FREE Shipping in CONUS on orders over $350.
  • Description
  • FAQ
  • Warranty

  • Celestron T-Adapter for EdgeHD 9.25", 11" & 14"

    The Celestron T-Adapter provides the essential threaded connection to attach your 35mm DSLR camera directly to the rear cell of an EdgeHD 9.25", 11", or 14" telescope. This configuration enables prime focus astrophotography, using your telescope's native optics as a massive, high-resolution telephoto lens for capturing detailed images of the Moon, planets, and terrestrial subjects.

    Prime Focus Connection: The Direct Path for DSLR Imaging on EdgeHD 9.25", 11", and 14" Telescopes

    This T-Adapter is the simplest and most rigid way to begin imaging with your large EdgeHD optical tube. By threading directly onto the rear cell, it creates a secure, non-flexing link between your telescope and camera, which is critical for maintaining sharp focus. This setup is optimized for short-exposure photography of bright targets where tracking precision is less demanding.

    For long-exposure deep-sky astrophotography of nebulae and galaxies, this prime focus arrangement is still viable, but it requires the use of a separate guidescope and camera to ensure sharp, pinpoint stars. To complete the connection to your camera, you will also need a T-Ring specific to your camera's lens mount (e.g., Canon, Nikon, or Sony), which is sold separately.

  • What else do I need to connect my Canon DSLR to my EdgeHD 11" with this T-Adapter?

    You will need a T-Ring that matches your camera's specific lens mount. For a Canon DSLR, you would need a Canon EOS T-Ring. The T-Adapter threads onto the telescope, and the T-Ring threads onto the T-Adapter, allowing your camera body to bayonet onto the T-Ring just like a lens.

    Can I use this Celestron T-Adapter for deep-sky imaging of the Andromeda Galaxy (M31) with my EdgeHD 9.25"?

    Yes, you can. However, for long exposures required for faint deep-sky objects like the Andromeda Galaxy (M31), you will need a very precisely polar-aligned equatorial mount and a separate autoguiding system (guidescope and guide camera). This T-Adapter provides the mechanical connection, but successful deep-sky imaging depends on accurate tracking.

    Will this Celestron T-Adapter work with an EdgeHD 8" telescope?

    No, this model is specifically designed for the larger rear cell threads of the EdgeHD 9.25", 11", and 14" models. For an EdgeHD 8", you will need the Celestron T-Adapter for SCT & EdgeHD 8" models, which has different threading.

    What is "prime focus" photography with the Celestron T-Adapter?

    Prime focus means you are using the telescope's main optics to form an image directly onto your camera's sensor, with no eyepiece or other lens in between. This T-Adapter positions your DSLR at the telescope's focal plane, effectively turning your EdgeHD into a giant telephoto lens with its native focal length and f-ratio.

    Is this T-Adapter good for high-magnification planetary imaging with my EdgeHD 14"?

    This adapter is best for wide-field shots of the Moon or capturing the full disk of Jupiter and Saturn. For high-magnification planetary imaging, you would typically use a high-frame-rate planetary camera and a Barlow lens to increase the effective focal length, rather than a DSLR at prime focus.

    Why can't I use a generic T-Adapter with my large EdgeHD telescope?

    The Celestron EdgeHD 9.25", 11", and 14" telescopes use a large-format 3.29" rear cell thread for maximum stability and to prevent vignetting. Standard "SCT" T-adapters use a smaller 2" thread. This adapter is specifically machined to match the larger threads on these optical tubes, ensuring a secure and correctly spaced connection.

  • Celestron 2-Year Warranty