Telescopes & Astronomy
Beginner Telescopes
Buying your first telescope? Browse our curated selection of beginner telescopes.
Shop by Use
What will you use your telescope for? Explore the many uses of different types of telescopes.
Shop by Type
Choose your telescope by optical design or learn more about the different types of telescopes.
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AUD $49.00In Stock
2" to1.25" adapter for eyepieces. Learn More -
AUD $15.00In Stock
The Sirius Optics Red Dot Finder Synta Support provides a secure and precise mounting solution for attaching a red dot finder to Synta-compatible telescopes. Designed for quick alignment and easy installation, this support bracket ensures your finder stays firmly in place during observation sessions, helping you locate celestial objects faster and with greater accuracy.
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AUD $29.00In Stock
For use with some 2" Barlow lenses that have a slot for the thumbscrew. Learn More -
AUD $19.00In Stock
Slimline adapter with M48 male thread on one side and M42 female thread on the other. Learn More -
AUD $20.00In Stock
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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AUD $15.00In Stock
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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AUD $39.00Backorder Available
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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AUD $19.00Backorder Available
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AUD $29.00Backorder Available
Use 2" eyepieces in a 1.25" diagonal or focuser. Learn More
Why buy from Sirius Optics
Queensland's largest telescope showroom and warehouse
Run by astronomers and nature lovers, not sales people
Expert advice and lessons
Secure checkout with multiple payment options
30 day returns (T&Cs apply)
