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 $19.00In Stock
Slimline adapter with M48 male thread on one side and M42 female thread on the other. Learn More -
AUD $29.00In Stock
For use with some 2" Barlow lenses that have a slot for the thumbscrew. 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 $49.00In Stock
2" to1.25" adapter for eyepieces. Learn More -
AUD $49.00In Stock
- Standard SCT Thread
- M42 T-Thread
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AUD $49.00In Stock
The Sirius Optics Vixen Dovetail 18cm features a hollow underside with two slotted 1/4" holes running the full length, providing versatile mounting options for cameras and accessories. Designed to securely attach your gear to any mount accepting a standard Vixen dovetail, this lightweight yet sturdy plate offers flexible positioning to suit a variety of imaging and observation setups.
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AUD $15.00In Stock
M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 5mm spacer can help you achieve precise back-focus spacing in your imaging train.
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AUD $15.00In Stock
M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 20mm spacer can help you achieve precise back-focus spacing in your imaging train.
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AUD $15.00In Stock
M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 40mm spacer can help you achieve precise back-focus spacing in your imaging train.
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AUD $19.00In Stock
The Sirius Optics Colour Filter No. 56 Light Green is a versatile 1.25" eyepiece filter designed to enhance planetary and lunar detail in telescopes up to 6" in aperture. With 53% light transmission, it boosts contrast of Martian polar caps, Jupiter's Great Red Spot, Venusian cloud patterns, and subtle lunar features, making it an excellent all-round choice for planetary observers.
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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)
