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 $599.00In Stock
Save some space in your home for the saxon 90/1250 EQ Observatory Cassegrain Telescope.
This short-tube Maksutov-Cassegrain telescope comes with an aperture of 90mm and a focal length of 1250mm. You'll be amazed by the bright, magnified views of the Moon's rocky surface, planets, star clusters, double stars and nebulae through this scope. Enjoy a stable viewing experience with the scope's sturdy German Equatorial mount with adjustable aluminium tripod, which allows for easy adjustments when viewing your intended sky object.
The portable saxon 90125EQ Observatory Cassegrain Telescope weighs just over 10 kg, making it a great addition to your stargazing journey.
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AUD $324.99In Stock
- This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes
- This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality
- The Reducer/Corrector is f/6.3 for C5, C6, C8, C9¼ and C11 telescopes and f/7 for the C14 telescope
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AUD $19.00In Stock
The Sirius Vixen Dovetail Bar 12cm provides a secure and reliable mounting solution for your telescope, allowing quick attachment and detachment from Vixen-style dovetail mounts. Crafted from durable materials for long-lasting performance, this compact 12cm bar is ideal for smaller optical tubes and ensures a stable connection for smooth, worry-free observing sessions.
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AUD $29.00In Stock
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AUD $329.00In Stock
These are safe full aperture (sometimes referred as clear aperture) solar filters. This means that it allows the most light possible into the telescope because it allows the full aperture of your telescope to be viewed. The full aperture allows the best possible daytime viewing when there is minimal atmospheric turbulence.
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AUD $119.99In Stock
- Attaches directly to the rear cell of the larger Edge optical tubes
- Produces better illumination for today's larger full-frame imaging sensors, all the way to the corners
- Reduces vignetting–darkening around the edges of the image sensor–by providing unobstructed light to the camera
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AUD $179.00In Stock
The saxon 9x50 Finderscope with Bracket will help you pick out your target and align your telecope to it. Increased magnification means that you will be able to see more and deeper.
Spend some time with the saxon 9x50 Finderscope with Bracket so you can spend more time observing.
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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 20mm 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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AUD $15.00In 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 15mm 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
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30 day returns (T&Cs apply)
