Telescopes & Astronomy

Beginner Telescopes
Kids' Telescope

Buying your first telescope? Browse our curated selection of beginner telescopes.

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Telescope Use

What will you use your telescope for? Explore the many uses of different types of telescopes.

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Cassegrain Telescope

Choose your telescope by optical design or learn more about the different types of telescopes.

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  1. Celestron Narrow Dovetail Bar Kit for 11 inch Cassegrain OTAs (CG5)
    AUD $79.99

    In Stock

    • Fits pre-drilled holes in the front and rear cells of current 11” Schmidt-Cassegrain and11” EdgeHD Optical tubes
    • Aluminum bar with orange anodizing provides a sturdy mounting platform.
    • Easy to install and comes complete with all necessary hardware
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  2. WW Astro dew heater 20 cm for for large 2 inch eyepiece or finderscope
    AUD $45.00

    In Stock

    Heated dew strap for eyepiece.

    NOTE: Sirius Optics recommends that any dew heater strap or heated dew shield be connected to a dual channel dew controller and not directly to 12V.

    This allows the user to regulate the current and temperature of the dew heater strap or dew shield. 

    The recommended control unit is the Astrozap Dual Channel Dew Controller (Product No. 124474)

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  3. Socket Cap Bolt 1/4 Inch UNC (20tpi) 3/4 Inch Long
  4. Socket Cap Bolt M5 20mm
    AUD $2.00

    In Stock

  5. Socket Cap Bolt M5 30mm
    AUD $2.00

    In Stock

  6. IEC Mains Power Lead
    AUD $8.95

    In Stock

    • 1.8 metres long
    • Earthed
    • SAA approved

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  7. Sirius Optics Rocket Dust Blower
    AUD $9.95

    In Stock

    Ditch tiny dust blowers in cheap cleaning kits and blast off with this large cool rocket dust blower.

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  8. The Moon: A Celebration of Our Celestial Neighbour by Royal Observatory Greenwich
    AUD $45.00

    In Stock

    Marking the 50th anniversary of Neil Armstrong's `small step' this beautiful book explores people's fascination with our only natural satellite.

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  9. Orion Spacer for Monster Parallelogram and 25x100 binoculars
    AUD $69.00

    In Stock

    The Orion Spacer for Monster Parallelogram and 25x100 Binoculars ensures a perfect, secure fit when mounting your large 25x100 binoculars to the Orion Monster Parallelogram mount. This simple yet essential adapter fills the gap for a stable connection, minimizing vibrations and allowing you to enjoy steady, shake-free views of the night sky. It's a must-have accessory for getting the most out of your big binocular stargazing sessions.

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  10. Choosing and Using a Dobsonian Telescope: Everything you need to know to get started in astronomy and astrophotography By Allan Hall
    AUD $32.00

    In Stock

    A practical guide for beginners, Choosing and Using a Dobsonian Telescope by Allan Hall helps you navigate the wide range of Dobsonian telescopes on the market so you can make the right purchase the first time. Covering everything from selecting the best model for your needs to setup, accessories, and tips for stargazing and astrophotography, this book ensures you get the most out of your investment in the night sky.

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