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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.

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  1. M42 40mm Spacer Ring
    AUD $15.00

    In Stock

    M42 x 0.75mm Aluminium Alloy Extension Spacer Ring for telescope photography. This 40mm spacer can help you achieve precise back-focus spacing in your imaging train.

    Learn More
  2. Sirius Optics Losmandy Dovetail Clamp
    AUD $99.00

    In Stock

  3. Orion 1.25 Inch Dielectric Twist Tight Diagonal
    AUD $289.00

    In Stock

    • 1.25", 90-degree mirror diagonal features sophisticated dielectric coatings with highly efficient 99% reflectivity for peak performance
    • Twist-tight clamping mechanism grips inserted eyepieces more securely than typical thumbscrew-equipped diagonals - without scratching!
    • Durable dielectric mirror coatings provide higher reflectivity for maximum brightness and contrast
    • Machined and anodized aluminum housing features machine-threaded glare baffles to eliminate glare for great performance
    • Nosepiece barrel threaded to accept 1.25" filters
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  4. Celestron Luminos 10mm Eyepiece 1.25 Inch
    AUD $259.00

    In Stock

    • Enjoy wide 82º views with Celestron Luminos Eyepieces.
    • Retractable eyecup pops up when you need it, drops down when you don’t.
    • Sturdy anodized aluminum barrels are threaded for filters.
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on.
    Learn More
  5. Celestron Luminos 15mm Eyepiece 1.25 Inch
    AUD $259.00

    In Stock

    • Enjoy wide 82º views with Celestron Luminos Eyepieces.
    • Retractable eyecup pops up when you need it, drops down when you don’t.
    • Sturdy anodized aluminum barrels are threaded for filters.
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on.
    Learn More
  6. Celestron Luminos 19mm Eyepiece 2 Inch
    AUD $324.99

    In Stock

    • Enjoy wide 82º views with Celestron Luminos Eyepieces.
    • Retractable eyecup pops up when you need it, drops down when you don’t.
    • Sturdy anodized aluminum barrels are threaded for filters.
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on.
    Learn More
  7. Celestron Luminos 23mm Eyepiece 2 Inch
    AUD $399.99

    In Stock

    • Enjoy wide 82º views with Celestron Luminos Eyepieces.
    • Retractable eyecup pops up when you need it, drops down when you don’t.
    • Sturdy anodized aluminum barrels are threaded for filters.
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on.
    Learn More
  8. Celestron Luminos 31mm Eyepiece 2 Inch
    AUD $474.99

    In Stock

    • Enjoy wide 82º views with Celestron Luminos Eyepieces.
    • Retractable eyecup pops up when you need it, drops down when you don’t.
    • Sturdy anodized aluminum barrels are threaded for filters.
    • A rubber grip keeps the eyepiece securely in your hands, even when it’s cold or you have gloves on.
    Learn More
  9. Sirius Optics 70 Degree 32mm Eyepiece 2 Inch
    AUD $149.00

    In Stock

    Sirius 2 " 32 mm 70 Degree Eyepiece

    Learn More
  10. Sirius Optics 80 Degree UWA 15mm Eyepiece 2 Inch

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