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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.
Celestron 1.25" Visual Back
Celestron 1.25" Visual Back
Celestron 1.25" Visual Back

Celestron 1.25" Visual Back

by Celestron
SKU CEL-93653-A
$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00
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  • Adapts Schmidt-Cassegrain rear cell threads to a 1.25" opening
  • Accepts all standard 1.25" accessories like diagonals, eyepieces, and Barlow lenses
  • Durable metal construction ensures a secure connection
  • Standard-issue component for most Celestron SCTs
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  • Description
  • FAQ
  • Warranty

  • Celestron 1.25" Visual Back

    The Celestron 1.25" Visual Back is the essential metal adapter that connects your Schmidt-Cassegrain or Maksutov-Cassegrain telescope to the entire ecosystem of 1.25" astronomy accessories. This component threads directly onto the rear cell of the telescope, providing a secure port for your 1.25" diagonal, eyepiece, or imaging camera.

    The Standard SCT to 1.25" Connection

    This visual back is the fundamental link in your optical train. It converts the proprietary SCT threaded rear cell into the universal 1.25" format used by the vast majority of astronomical eyepieces, filters, and cameras. Its simple, robust design ensures a rigid, non-flexing connection for both visual observation and basic imaging.

    • Direct Fit: Threads onto the rear cell of most Celestron Schmidt-Cassegrain and Maksutov-Cassegrain telescopes without any additional adapters.
    • Secure Hold: Thumbscrews lock your 1.25" accessory in place, preventing it from slipping as the telescope moves across the sky.
    • Included with Most SCTs: This is the same visual back that comes standard with new Celestron 5", 6", 8", 9.25", and 11" Schmidt-Cassegrain telescopes, making it a perfect factory replacement.

    Upgrading to a 2" Diagonal: When to Replace This Part

    While this 1.25" visual back is ideal for high-magnification planetary viewing and use with standard eyepieces, the path to wider deep-sky views involves upgrading to 2" accessories. To do this, you simply unthread the 1.25" visual back from your telescope's rear cell. A dedicated 2" SCT diagonal can then be threaded on in its place, opening your telescope up to the benefits of wide-field 2" eyepieces.

  • What is the primary function of the Celestron 1.25" Visual Back?

    The Celestron 1.25" Visual Back is a threaded adapter that attaches to the rear of a Schmidt-Cassegrain or Maksutov-Cassegrain telescope. Its purpose is to provide a standard 1.25" port to accept accessories like star diagonals, eyepieces for straight-through viewing, Barlow lenses, or 1.25" format cameras.

    Is the Celestron 1.25" Visual Back compatible with my telescope?

    This visual back is designed to fit the standard rear cell threads found on most Schmidt-Cassegrain (SCT) and Maksutov-Cassegrain (MCT) telescopes. It is the factory-standard part for Celestron's 5", 6", 8", 9.25", and 11" SCT models.

    Why would I remove the Celestron 1.25" Visual Back?

    You would remove this part to upgrade your optical train to accept 2" accessories. By unthreading the 1.25" visual back, you can then thread on a 2" SCT diagonal, which allows you to use 2" eyepieces for wider fields of view when observing objects like the Andromeda Galaxy (M31) or the Pleiades (M45).

    Can I use the Celestron 1.25" Visual Back for astrophotography?

    Yes, it is suitable for basic astrophotography. You can insert a 1.25" format planetary camera or webcam directly into the visual back to capture images of the Moon and planets like Jupiter and Saturn. For deep-sky imaging with larger sensors, a more rigid, threaded connection is typically recommended.

    Does a new Celestron SCT come with the 1.25" Visual Back?

    Yes, virtually all new Celestron Schmidt-Cassegrain telescopes (from 5" to 11" models) include a 1.25" Visual Back as standard equipment. This product serves as a direct replacement if your original is lost or damaged.

    How do I attach the Celestron 1.25" Visual Back?

    Installation is simple. First, ensure the rear cell threads on your telescope are clean. Then, carefully screw the visual back onto the threads clockwise until it is snug. Do not overtighten. Once attached, you can insert a 1.25" diagonal or other accessory and secure it with the thumbscrews.

  • Celestron 2-Year Warranty