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 $25.00In Stock
The Sirius Optics 25mm Extension Tube extends the optical path of your 1.25-inch eyepieces and accessories, helping you achieve precise focus when your telescope's focuser lacks sufficient inward travel. Lightweight and easy to use, it simply threads between your eyepiece and focuser for a quick, secure fit.
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AUD $39.00In Stock
The Sirius Optics Plossl 12.5mm eyepiece delivers crisp, clear views at a mid-range magnification, making it an excellent all-around choice for lunar, planetary, and deep-sky observing. This affordable 1.25-inch eyepiece features the trusted Plossl design with fully coated optics, offering great value for beginners and seasoned astronomers alike.
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AUD $39.00In Stock
The Sirius Optics Plössl 30mm eyepiece delivers a wide 50° apparent field of view, making it a versatile choice for both deep-sky and planetary observation. Its 1.25-inch barrel fits standard telescope focusers, and the 30mm focal length provides comfortable eye relief ideal for extended viewing sessions.
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AUD $39.00In Stock
2" extension tube with 2" barrell on one side and 2" eyepiece holder on the other. Learn More -
AUD $90.00In Stock
The Sirius Optics 2 Inch Variable Extension Tube features a standard 2" barrel and M42 male thread, allowing you to fine-tune your imaging distance for precise focus when connecting a camera to your telescope. Simply pair it with an M42 T-ring to attach your camera, and adjust the extension length to achieve optimal spacing for astrophotography through any 2" focuser or visual back.
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AUD $39.00In Stock
Olympus T-ring with M42 thread Learn More -
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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)
