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 $39.00In Stock
2" SCT visual back Learn More -
AUD $29.00In Stock
For use with some 2" Barlow lenses that have a slot for the thumbscrew. Learn More -
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AUD $49.00In Stock
The Sirius 2 inch to 1.25 inch Locking Adapter lets you securely use your 1.25" eyepieces and accessories in any 2" focuser, thanks to its reliable twist-lock mechanism that prevents slipping and ensures a firm hold. It's an essential addition for any astronomer looking to expand their eyepiece compatibility without sacrificing stability.
Learn More -
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)
