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 to 2" T-adapter for use with M42 T-rings. Learn More -
AUD $39.00In Stock
2" SCT visual back Learn More -
AUD $39.00In Stock
Canon EOS bayonet fitting T-ring with M42 thread. This will fit all traditional EOS EF camera mounts.
NOTE: Not suitable for Canon EOS mirrorless cameras use EF-M adapter for canon mirrorless cameras.
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AUD $39.00In Stock
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AUD $19.00In Stock
- For use with 1.25” eyepieces.
- One of the essential eyepiece filters for visual astronomy.
- Reduce glare from bright objects such as the Moon, Venus, 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 $75.00In Stock
This variable projection camera adapter allows you to take photos through a slim 1.25" eyepiece. Use with a M42 T-ring.
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AUD $19.00In Stock
- For 1.25" eyepieces
- Polar regions and Cloud belts of Saturn and Jupiter
- Surface Maria and plains on Mars
- Sky/planet contrast for Mercury and Venus
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AUD $7,349.00In Stock
The Celestron Origin Mark II is an all-in-one intelligent home observatory that automatically aligns, focuses, and captures stunning deep-sky images—delivering them straight to your phone or tablet in real time. Powered by patented RASA f/2.2 optics and built-in AI processing, it transforms any backyard into an astrophotography studio with no experience required.
- Stargazing and Astroimaging Redefined: Celestron Origin is an intelligent, all-in-one home observatory that captures stunning views of faint, deep-sky celestial objects and delivers them to your phone or tablet. The images you capture in seconds look better than what you’d see in the eyepiece of a much larger telescope under much darker skies.
- Revolutionary RASA Optical Technology: Origin’s patented 6” Rowe-Ackermann Schmidt Astrograph (RASA) optical design places it in a class by itself. With its large aperture and fast f/2.2 focal ratio, you get unparalleled image brightness and clarity with less exposure time.
- Next-Generation 678C Camera: Sony’s latest Starvis 2 color CMOS technology—offering improved resolution, enhanced sensitivity, and a serious leap in image quality.
- Automatic, AI-powered Astrophotography:As Origin captures data, built-in AI algorithms autonomously stack and process every frame in real-time. Galaxies and nebulae instantly come to life—sharp, detailed, and in brilliant color—all with no user intervention.
- Automated Setup with StarSense: To get started, place Origin outside, turn it on, and connect to the app. Using Celestron’s patented StarSense technology, Origin scans the sky and autonomously focuses and aligns itself. You’re ready to select a target and start imaging in less than two minutes.
- Intuitive App Interface: The user-friendly Celestron Origin Powered by SkySafari™ app for iOS and Android, developed in partnership with Simulation Curriculum offers a simple yet powerful planetarium interface, making it easy to navigate the sky and control the system.
- Share the View with Everyone: Multiple users can use the Origin app to view the telescope’s live feed simultaneously. You can also cast the view to your smart TV or save and share it instantly.
- Advanced Features: As you grow in the hobby, download the raw image files you capture for more advanced manual processing. You can also experiment with filters and use Origin for night-vision or land-based observing during the day.
Why buy from Sirius Optics
Queensland's largest telescope showroom and warehouse
Run by astronomers and nature lovers, not sales people
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