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. Dust Cover with M42 Male thread
    AUD $10.00

    In Stock

    Durable aluminium dust cap with M42 male thread. Learn More
  2. Celestron TrekGuide Black
    AUD $69.00

    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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  3. 2.1mm DC in-line controller switch
    AUD $5.00

    In Stock

  4. Sirius Optics 20mm 68 Degree Long Eye Relief Eyepiece
  5. Sirius Optics 15mm 68 Degree Long Eye Relief Eyepiece
    AUD $99.00

    In Stock

    The Sirius Optics 15mm 68° WALER eyepiece delivers a wide-angle field of view with generous long eye relief, making it ideal for comfortable extended viewing sessions—especially for eyeglass wearers. Enjoy sharp, immersive views without the eye placement sensitivity common in shorter focal length designs.

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  6. Celestron Advanced VX Mount and Tripod
    AUD $2,199.00

    In Stock

    • Holds a maximum instrument capacity of 30 lbs (13.6kg)
    • Integer gear ratios and permanently programmable Periodic Error Correction eliminates recurring track errors from the worm gear
    • New motors offer improved tracking performance & provide more power to overcome load imbalances
    • Updated industrial design offers more rigidity, less flexure and improved aesthetics
    • New design allows viewing or imaging across the meridian without interference from the motors housings
    • Improved latitude range - can be used between 7 – 77° latitude
    • Improved electronics with increased memory for future expansion
    • NexStar+ hand control offers multiple language programming (English, French, Italian, German, Spanish)
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  7. Sirius T-ring for DSLR Camera Pentax-K
    AUD $29.00

    In Stock

    T-ring with M42 thread Learn More
  8. Celestron 1.25 Inch 90 Degree Prism Star Diagonal
    AUD $84.99

    In Stock

    • Fits telescopes with 1.25” focusers or visual backs, 90° viewing angle, best for observing objects overhead
    • Accepts standard 1.25” eyepieces, Barlow lenses, and other accessories with a 1.25” insert barrel
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  9. Sirius Optics ND96 0.9 Neutral Density Moon Filter 2 Inch
    AUD $39.00

    In Stock

    • For use with 2” 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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  10. Sirius Optics Vixen Dovetail 18cm with Slotted 0.25 Inch Holes

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