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Celestron Camera Adapter for Canon Mirrorless, RASA 8
Celestron Camera Adapter for Canon Mirrorless, RASA 8

Celestron Camera Adapter for Canon Mirrorless, RASA 8

by Celestron
SKU CEL-93406
$63.95 - $63.95
$63.95
$63.95 - $63.95
$63.95
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  • Attaches Canon mirrorless cameras to the 8" RASA
  • Uses the camera's bayonet mount for a secure fit
  • Provides minimal optical obstruction
  • Places sensor at the correct backfocus distance
  • Durable and lightweight construction
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  • Description
  • FAQ
  • Specifications
  • In the Box
  • Downloads
  • Warranty

  • Celestron T-Adapter for Canon Mirrorless, Rowe-Ackermann Schmidt Astrograph (RASA) 8

    The Celestron T-Adapter for Canon Mirrorless cameras is the essential accessory for connecting your Canon EOS M series camera to the 8” Rowe-Ackermann Schmidt Astrograph (RASA). This adapter ensures a secure, perfectly spaced connection, enabling you to capture spectacular deep-sky astronomical images with your compact, sensitive mirrorless camera.

    Secure Connection and Precise Backfocus for Canon Mirrorless

    This adapter is engineered specifically for the 8" RASA and Canon mirrorless cameras. It connects directly to the camera's native bayonet mount, creating a rigid and reliable link to the front of the astrograph. The compact profile of mirrorless cameras provides minimal obstruction for the RASA's optical path, and this adapter maintains that advantage while placing the camera's sensor at the precise backfocus distance needed for edge-to-edge image sharpness.

  • Is this Celestron T-Adapter compatible with Canon DSLR cameras?

    No, this adapter is designed exclusively for Canon mirrorless cameras that use the EOS M bayonet mount. It is not compatible with Canon DSLR cameras (EF or EF-S mount) due to differences in mount design and backfocus distance.

    Why do I need a special adapter for the RASA 8?

    The Rowe-Ackermann Schmidt Astrograph (RASA) 8 has a prime-focus imaging system where the camera is mounted at the front of the optical tube. This T-Adapter is required to securely attach your camera and place its sensor at the RASA's specific focal plane for sharp, focused images across the entire field.

    Will this adapter work with the 11" or 36cm RASA models?

    No, this T-Adapter is specifically designed for the 8" RASA. The larger RASA models have different mounting threads and backfocus requirements, and require their own dedicated camera adapters.

    How does the Celestron T-Adapter for RASA 8 handle obstruction?

    The adapter is designed to be as low-profile as possible, complementing the compact body of a Canon mirrorless camera. This combination creates minimal obstruction at the front of the RASA 8, preserving light-gathering capability and image contrast.

    What kind of imaging performance can I expect with the RASA 8 and this adapter on the Orion Nebula (M42)?

    When using a Canon mirrorless camera with the RASA 8 via this adapter, you can capture the entirety of the Orion Nebula (M42) and its surrounding structures in a single frame. The RASA's fast f/2 optical system allows for very short exposures, revealing faint nebulosity and fine detail in the Trapezium region with minimal noise.

    Can I use filters with the Celestron T-Adapter for RASA 8?

    This adapter does not have integrated filter threads. To use filters with the RASA 8, you would typically use an optional filter drawer or filter slider that installs between the RASA's lens group and the camera adapter.

  • Warranty 2-Year Warranty

    • T-Adapter for Canon Mirrorless, RASA 8

      × 1

  • Celestron 2-Year Warranty