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 $29.00In Stock
M42 threaded T-adapter with 1.25" barrell.
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AUD $19.00In Stock
- For use with 1.25” eyepieces.
- More light transmission than 13%, making it great for planets.
- Reduce glare from bright objects such as the Moon, Venus, Saturn, and Jupiter.
- Accentuate subtle detail for the Moon and planets
- Polar ice caps of Mars in large telescopes
- Limb hazes and terminator clouds of Mars
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AUD $29.00In Stock
T-ring with M42 thread Learn More -
AUD $99.00In Stock
The Sirius Optics 15mm 68° WALER eyepiece delivers a wide-angle field of view with generous long eye relief, making it ideal for comfortable extended viewing sessions—especially for eyeglass wearers. Enjoy sharp, immersive views without the eye placement sensitivity common in shorter focal length designs.
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AUD $99.00In Stock
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AUD $10.00In Stock
Durable aluminium dust cap with M42 male thread. 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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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)
