Telescopes & Astronomy

Slimline adapter with M48 male thread on one side and M42 female thread on the other. Learn More

Getting your back-focus distance right is essential for sharp, well-corrected astrophotography and sometimes you need more than thin shims to bridge the gap. This M48 x 0.75mm aluminium alloy spacer ring provides 30mm of solid, threaded spacing to help you build out your imaging train with precision. Also available in various sizes to suit your specific setup requirements.

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M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 3mm spacer can help you achieve precise back-focus spacing in your imaging train.

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CELESTRON T-ADAPTER FOR SCHMIDT-CASSEGRAIN TELESCOPES

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• A complete digiscoping solution: NexGO connects your smartphone to an eyepiece while the Bluetooth shutter release button helps you get a steady shot image every time.
• NexGO’s design works with most optics including telescopes (with most 1.25” eyepieces), spotting scopes, binoculars, monoculars, and microscopes.
• Connect the remote shutter release to your phone via Bluetooth to take photos or start/stop video recording without unwanted vibration.
• Folds up for easy transport and storage.
• Charge your phone during use.
• Features two directional knobs (X-, and Y- axis) that perfectly align your phone’s camera with the eyepiece in seconds.
• Stands up to rigorous field use thanks to its robust, durable construction with a metal frame and polymer body.

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The Sirius Optics M48 T-ring allows you to connect your Canon EOS DSLR camera directly to your telescope for stunning astrophotography. Its wide M48 thread is designed to minimize vignetting, making it ideal for full-frame sensors and ensuring edge-to-edge image quality.

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• The Celestron Universal T-Adapter connects a DSLR or SLR camera to a refractor for prime focus photography
• The adapter’s chrome barrel slides into any focuser that accepts 1.25” accessories
• T-Threads accept camera brand specific T-Ring (sold separately)

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• Create an extra auxiliary port on your Celestron computerized mount with this AUX Port Splitter
• Two auxiliary ports are required to use accessories like the Celestron StarSense AutoAlign on telescopes with only one built-in AUX port
• Adapter has two 6-pin auxiliary outputs and one 6-pin input

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