Telescopes & Astronomy

Beginner Telescopes
Kids' Telescope

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

Shop by Use
Telescope Use

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

Shop by Type
Cassegrain Telescope

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

Grid List

Set Descending Direction

11-20 of 336

  1. Sirius Optics Cheshire Collimator Long
  2. Sirius Optics Red Dot Finder Synta Support
  3. Sirius Optics ND96 0.6 Neutral Density Moon Filter 1.25 Inch
    AUD $19.00

    In Stock

    • For use with 1.25” eyepieces.
    • More light transmission than 13%, making it great for planets.
    • Reduce glare from bright objects such as the Moon, Venus, Saturn, 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
    Learn More
  4. 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
    Learn More
  5. 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
    Learn More
  6. 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.

    Learn More
  7. Sirius Optics 20mm 68 Degree Long Eye Relief Eyepiece
  8. M48 30mm Spacer Ring
    AUD $20.00

    In Stock

    Getting your back-focus distance right is essential for sharp, well-corrected astrophotography and sometimes you need more than thin shims to bridge the gap. This M48 x 0.75mm aluminium alloy spacer ring provides 30mm of solid, threaded spacing to help you build out your imaging train with precision. Also available in various sizes to suit your specific setup requirements.

    Learn More
  9. Celestron 14 Inch Dovetail Bar CGE Wide

    Regular Price: AUD $129.99

    Special Price AUD $109.00

    In Stock

    Wide dovetail bar to fit CGE or Losmandy style saddles

    Learn More
  10. Celestron Dovetail Bar RASA 8 Inch
    AUD $109.99

    In Stock

    • Dovetail bar connects to the top of the Rowe-Ackermann Schmidt Astrograph 8" to attach accessories to the optical tube.
    • Dovetail bar is the same as the bar on the bottom of the RASA 8" optical tube.
    • Aluminum body provides a sturdy platform for accessories, matches the dovetail mounting bar on the RASA 8".
    • Installs easily into existing threaded holes in the RASA 8" and comes with all mounting hardware required.
    • Accepts accessories that can mount onto CGE or Losmandy-D dovetail plates.
    Learn More

Grid List

Set Descending Direction

11-20 of 336