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 60-65 Degree WA 20mm Eyepiece 1.25 Inch
    AUD $49.00

    In Stock

    Wide angle, fully multi-coated Learn More
  2. Sirius M42 to 1.25 Inch Locking Adapter
  3. Sirius 2 inch to 1.25 inch Locking Adapter
    AUD $49.00

    In Stock

    The Sirius 2 inch to 1.25 inch Locking Adapter lets you securely use your 1.25" eyepieces and accessories in any 2" focuser, thanks to its reliable twist-lock mechanism that prevents slipping and ensures a firm hold. It's an essential addition for any astronomer looking to expand their eyepiece compatibility without sacrificing stability.

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  4. Sirius Essential Micro Focuser 1.25 Inch
  5. Sirius 2 inch UHC Skyglow Broadband CLS Filter
  6. Sirius T-ring for Sony A-Mount
    AUD $39.00

    In Stock

    T-ring with M42 thread.

    T-Ring for Sony Alpha DSLR (A-Mount - Full Size DSLR)A "T-Ring" couples your SLR or DSLR camera body to a T-Adapter or other "T" threaded camera mount. 

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  7. Sirius T-ring for DSLR Camera Sony E-Mount
    AUD $39.00

    In Stock

    T-ring with M42 thread Learn More
  8. Sirius M42 T-Ring for DSLR Pentax-U Mount
    AUD $29.00

    In Stock

    T-ring with M42 thread Learn More
  9. Sirius Optics 2 Inch Push Fit to SCT Male Adapter
  10. Sirius Optics 1.25 Inch 3-in-1 Adapter with M42 Thread

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