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.
-
AUD $79.00Backorder Available
-
AUD $59.00Backorder Available
-
AUD $59.00Backorder Available
W&W Astro dew shield to prevent dew appearance and improve contrast. Easy to fit. Suitable for 6” telescopes.
Learn More -
AUD $85.00Backorder Available
Attach the Sky-Watcher Solar Filter for Newtonian Telescope securely over the front of your telescope to conduct safe solar viewing. If you are looking at Sun spots or just wanting to get a closer look at our closest Star, this filter will reflect the harmful rays and reduce the intensity of the Sun light making it safe to view through your telescope.
Learn More -
AUD $59.00Backorder Available
Counterweight to suit any mount that has a 19 mm diameter shaft.
Learn More -
AUD $1,939.00Backorder Available
- Take beautiful images of deep-sky objects from light-polluted suburban locations with the Rowe-Ackermann Schmidt Astrograph 11 (RASA 11) using this light pollution suppression filter
- Custom designed to replace the RASA’s optical window, so you still get optimum optical performance even with the addition of the filter
- Selectively blocks unwanted light pollution while providing over 90% transmission at critical wavelengths
- Maintains a more neutral color balance than other light pollution imaging filters, perfect for imaging colorful nebulae and galaxies
- Every filter is individually tested for light transmission. A graph of test results for your specific filter is included for your reference
-
AUD $54.99Backorder Available
- The Celestron Universal T-Adapter connects a DSLR or SLR camera to a refractor for prime focus photography
- The adapter’s chrome barrel slides into any focuser that accepts 1.25” accessories
- T-Threads accept camera brand specific T-Ring (sold separately)
-
AUD $5.00Backorder Available
O Ring - 50 mm Spotting Scope
Learn More -
AUD $39.00Backorder Available
SIRIUS OPTICS TBM SMARTPHONE ADAPTER
Learn More -
AUD $549.00Backorder Available
The Celestron Smart Dewheater Controller 2X uses real-time data and provides just enough power for your heaters to prevent dew from forming, prolonging battery life.
Learn More
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)
