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Chrome metal cylinder with knurled collar and 1.25 inch eyepiece opening

Celestron

Celestron Visual Back 1.25

SKU CH-MFM9-WYA8K

Connects 1.25-inch eyepieces to Schmidt-Cassegrain telescopes for secure, aligned viewing

  • Secure connection for 1.25" eyepieces ensures sharper astronomical images
  • Adapts Schmidt-Cassegrain threads for quick eyepiece changes
  • Precision alignment reduces distortion for detailed celestial views
  • Durable construction provides reliable performance for years of use
  • Standard fit on 5", 8", 9.25", and 11" Schmidt-Cassegrain telescopes

Essential Schmidt-Cassegrain Accessory

The Celestron Visual Back 1.25 connects 1.25-inch eyepieces and diagonals to Schmidt-Cassegrain telescopes. It ships as standard equipment with 5, 8, 9.25 and 11 inch models. The adapter threads directly onto the rear cell for a secure, light-tight fit. Precision machining keeps optics aligned for sharper celestial views.

For Owners Of Compatible Telescopes

Astronomers using Celestron Schmidt-Cassegrain tubes gain quick eyepiece changes and stable diagonal mounting. The unit suits both visual observers and imagers who need a reliable 1.25-inch interface. Users of refractors, Newtonians or other brands with different rear-thread patterns cannot use this adapter. Buyers needing a 2-inch barrel or a dedicated focal reducer should look at other accessories.

Threads Onto Rear Cell Directly

Installation requires no tools; the visual back screws onto the telescope’s existing threads and accepts any 1.25-inch accessory. It frees the focuser from carrying the weight of heavy diagonals or camera adapters. Durable metal construction resists wear from repeated swaps in the field. The compact design adds minimal back-focus distance to the optical train.

Highlights

  • Secure connection for 1.25" eyepieces ensures sharper astronomical images
  • Adapts Schmidt-Cassegrain threads for quick eyepiece changes
  • Precision alignment reduces distortion for detailed celestial views
  • Durable construction provides reliable performance for years of use
  • Standard fit on 5", 8", 9.25", and 11" Schmidt-Cassegrain telescopes

Specifications

No published specifications for this item yet.

Questions about this item

Which telescope thread does the Celestron Visual Back 1.25 adapt to accept 1.25-inch eyepieces?

It adapts the threads on all Schmidt-Cassegrain models, including the 5-inch, 8-inch, 9.25-inch and 11-inch sizes, so any of those telescopes will accept the visual back directly.

Can I keep using my existing 1.25-inch diagonals and eyepieces with this visual back on a Schmidt-Cassegrain telescope?

Yes, the visual back is designed for seamless use with 1.25-inch accessory items such as diagonals and eyepieces, so your current 1.25-inch optics will fit and work without adapters.

How do I confirm the visual back is seated correctly after threading it onto my Schmidt-Cassegrain?

When threaded fully onto the telescope's rear cell, the 1.25-inch opening should sit square and accept an eyepiece or diagonal with no wobble; a sharp, centred star image at focus confirms proper alignment.

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