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 $15.00In Stock
M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 15mm spacer can help you achieve precise back-focus spacing in your imaging train.
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AUD $80.00Backorder Available
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AUD $79.00Backorder Available
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AUD $39.00Backorder Available
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AUD $60.00Backorder Available
Easily add versatility to your astronomical telescope
Great to convert your telescope for terrestrial viewing
Suitable for refractor or catadioptric reflector telescopes
See land images upright and non-mirrored
45-degree angle design for comfortable viewing
Attaches to any 1.25" eyepiece
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AUD $159.00Backorder Available
Sirius 2 " 38mm 70 Degree Eyepiece
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AUD $39.00Backorder Available
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AUD $29.00Backorder Available
Use 2" eyepieces in a 1.25" diagonal or focuser. Learn More -
AUD $19.00Backorder Available
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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)
