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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.
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.

Adapters

Connect your gear with confidence using our wide selection of astronomy adapters. This collection includes all the essential adapters you need to seamlessly link telescopes, cameras, eyepieces, filters, and other accessories for both visual observation and astrophotography. Whether you're attaching a DSLR to a focuser, threading a filter wheel to a CMOS camera, or adapting between different thread sizes or mounting standards, our high-quality adapters ensure secure, precise connections. Built for compatibility and durability, these adapters make your setup more versatile and ready for any observing or imaging session.

Filters

$69.95 - $69.95
$69.95
$69.95 - $69.95
$69.95

Celestron 1.25" Universal Barlow and T-Adapter

CEL-93640

Three-in-one design: 2x visual Barlow, prime focus T-adapter, and tele-extended T-adapter Doubles the magnification of any 1.25" eyepiece Connects...

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$69.95 - $69.95
$69.95
$69.95 - $69.95
$69.95
$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00

Celestron 1.25" Visual Back

CEL-93653-A

Features Threads onto the rear of Celestron 5" - 11" Schmidt-Cassegrain telescopes. Accepts any accessory with a 1.25" insert barrel, including dia...

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$46.00 - $46.00
$46.00
$46.00 - $46.00
$46.00
$74.95 - $74.95
$74.95
$74.95 - $74.95
$74.95

Celestron 48mm T-Adapter for EdgeHD 9.25”, 11”, and 14”

CEL-93622
5 in stock

Connects full-frame DSLR and astronomical cameras to EdgeHD 9.25", 11", and 14" telescopes Features a wide M48 x 0.75 thread to eliminate vignetti...

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$74.95 - $74.95
$74.95
$74.95 - $74.95
$74.95
$63.95 - $63.95
$63.95
$63.95 - $63.95
$63.95

Celestron Camera Adapter for Canon Mirrorless, RASA 8

CEL-93406

Attaches Canon mirrorless cameras to the 8" RASA Uses the camera's bayonet mount for a secure fit Provides minimal optical obstruction Places sens...

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$63.95 - $63.95
$63.95
$63.95 - $63.95
$63.95
$63.95 - $63.95
$63.95
$63.95 - $63.95
$63.95

Celestron Camera Adapter for Sony Mirrorless, RASA 8

CEL-93405

Adapts Sony mirrorless cameras to the Celestron 8" RASA Uses the camera's bayonet mount for a secure connection Provides minimal optical obstructi...

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$63.95 - $63.95
$63.95
$63.95 - $63.95
$63.95
$41.95 - $41.95
$41.95
$41.95 - $41.95
$41.95

Celestron Large SCT & EdgeHD Adapter V2 for Off-Axis Guider

CEL-93666

Connects Celestron Off-Axis Guider to 9.25", 11", and 14" SCT & EdgeHD telescopes Provides a 63mm clear aperture to fully illuminate full-fram...

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$41.95 - $41.95
$41.95
$41.95 - $41.95
$41.95
$47.95 - $47.95
$47.95
$47.95 - $47.95
$47.95

Celestron M42 Spacer Kit

CEL-93618

Includes three M42 x 0.75 spacer rings: 7.5mm, 12mm, and 30mm Achieve precise back-focus for various telescope and camera combinations Black anodi...

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$47.95 - $47.95
$47.95
$47.95 - $47.95
$47.95
$27.95 - $27.95
$27.95
$27.95 - $27.95
$27.95

Celestron SCT to 2" Adapter

CEL-93661
3 in stock

Adapts standard SCT rear cell threads to accept 2" accessories Threaded connection provides a secure, flex-free optical train Brass compression ri...

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$27.95 - $27.95
$27.95
$27.95 - $27.95
$27.95
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

Celestron T-Adapter for SCTs

CEL-93633-A
5 in stock

Securely attaches SLR/DSLR cameras to Schmidt-Cassegrain telescopes Enables prime focus photography for high-resolution imaging Threads directly o...

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$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
$41.95 - $41.95
$41.95
$41.95 - $41.95
$41.95

Celestron T-Adapter, (EdgeHD 8)

CEL-93644
2 in stock

Attaches DSLR cameras to 8" EdgeHD optical tubes Threads directly onto the rear cell for a secure connection Enables prime focus photography for t...

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$41.95 - $41.95
$41.95
$41.95 - $41.95
$41.95
$74.95 - $74.95
$74.95
$74.95 - $74.95
$74.95

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

CEL-93646
1 in stock

Features T-Adapter for 9.25, 11 & 14" EdgeHD optical tubes. It threads onto the rear cell This T-Adapter allows you to attach your 35 mm DSLR ...

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$74.95 - $74.95
$74.95
$74.95 - $74.95
$74.95
$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00

Celestron T-Adapter, NexStar 4SE

CEL-93635-A
1 in stock

Connects DSLR and SLR cameras to NexStar 4SE or C90 telescopes Enables prime focus photography for celestial and terrestrial objects Threads...

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$35.00 - $35.00
$35.00
$35.00 - $35.00
$35.00
$16.95 - $16.95
$16.95
$16.95 - $16.95
$16.95

Celestron T-Ring for Canon EOS Camera

CEL-93419
2 in stock

Connects Canon EOS-EF Mount DSLR/Mirrorless cameras to telescopes Replaces the camera lens for direct, secure attachment Enables prime focus astro...

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$16.95 - $16.95
$16.95
$16.95 - $16.95
$16.95
$16.95 - $16.95
$16.95
$16.95 - $16.95
$16.95

Celestron T-Ring for Nikon Camera

CEL-93402

Attaches Nikon F-mount SLR/DSLR cameras to telescopes Enables prime focus and eyepiece projection astrophotography Standard M42x0.75 female thread...

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$16.95 - $16.95
$16.95
$16.95 - $16.95
$16.95
$28.95 - $28.95
$28.95
$28.95 - $28.95
$28.95

Celestron Universal 1.25" T-Adapter

CEL-93625
1 in stock

Connects DSLR and SLR cameras to telescopes Fits standard 1.25" focusers and eyepiece adapters Requires a brand-specific T-Ring (sold separately) ...

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$28.95 - $28.95
$28.95
$28.95 - $28.95
$28.95