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. Sirius 3x Barlow Fully Multi-Coated with M42 Thread
    AUD $59.00

    In Stock

    The Sirius 3x Barlow lens triples your telescope's magnification, letting you explore lunar craters and planetary details with stunning clarity. Its fully multi-coated, 3-element apochromatic design minimizes chromatic aberration for crisp, sharp images, while the built-in M42 thread doubles as a T-adapter for easy DSLR or SLR camera attachment.

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  2. Celestron CGX Equatorial 1100 EdgeHD Telescope

    Regular Price: AUD $11,749.00

    Special Price AUD $9,799.00

    In Stock

    • 11" HD Optical Tube Assembly
    • CGX EQ Mount and Tripod
    • Celestron’s premium StarBright XLT coatings provide maximum light transmission
    • A 9x50 finderscope, 2” mirror diagonal for more comfortable viewing, and wide-angle 23 mm Luminos 2" eyepiece are all included
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  3. Sirius Optics 1.25 Inch to M48 Adapter
    AUD $29.00

    In Stock

    The Sirius Optics 1.25 Inch to M48 Adapter lets you seamlessly connect 1.25-inch eyepieces and accessories to M48-threaded components, expanding your telescope's versatility with a simple, lightweight aluminium construction built to last.

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  4. 2 Inch to M48 T adapter
    AUD $35.00

    In Stock

    The 2 Inch to M48 T Adapter lets you easily connect M48 T-rings to any standard 2-inch eyepiece holder, bridging your telescope and camera for stunning astrophotography. Built from durable aluminum, this lightweight adapter ensures a secure, precise fit so you can focus on capturing the night sky.

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  5. Dust Cover with M42 Female thread
    AUD $15.00

    In Stock

    Metal dust cover with M42 female thread. Learn More
  6. Micro Focuser for 50mm Guidescope 1.25 Inch
    AUD $79.00

    In Stock

    Upgrade your 50mm guidescope with this precision micro focuser, offering 10mm of smooth, fine-tuned travel for razor-sharp star focus during autoguiding sessions. Compatible with popular finderscopes from Skywatcher, Celestron, GSO, and more, it features both M42 and 1.25-inch connections to suit a wide range of guide cameras and eyepieces. A brass compression ring ensures a secure, scratch-free hold for reliable performance all night long. Use with right-angled finderscopes.

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  7. Sirius Optics Budget 90 Degree Mirror Diagonal (Plastic)
  8. Celestron TrekGuide Yellow
    AUD $25.00

    In Stock

    • Digital Compass function provides degree, north pointing arrow and cardinal point readings. Compass Range: - 0° To 359° , 1-16 pointers (graphical)
    • Magnetic declination angle adjustable for regions with magnetic variation
    • Built-in Altimeter: measures in either meters or feet
    • Barometer (air) pressure and sea level pressure measurement in mbar/hpPa, mmHG or inHG
    • Weather forecast Icons: Sunny, Slightly Cloudy, Cloudy and Rainy
    • Time, Date and Alarm Clock
    • Built-in thermometer - °C or °F
    • Backlight for nighttime use
    • (2) long-life Lithium batteries included
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  9. Celestron Counterweight - 12 lbs - 19mm Shaft - Advanced VX
    AUD $99.99

    In Stock

    • Designed to fit 19mm counterweight shafts
    • Sturdy lock knob keeps the counterweight safely on the shaft
    • For full list of compatible mounts, please see description section below
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  10. Celestron Counterweight - 11 lbs
    AUD $144.99

    In Stock

    • Designed to fit 19mm counterweight shafts
    • Sturdy lock knob keeps the counterweight safely on the shaft
    • For full list of compatible mounts, please see description section below
    Learn More

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