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. M48 Spacer Ring 15mm
    AUD $15.00

    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 15mm 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.

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  2. M48 Spacer Ring 35mm
    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 35mm 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.

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  3. M48 Spacer Ring 10mm
    AUD $15.00

    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 10mm 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.

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  4. M48 5mm Spacer Ring
    AUD $15.00

    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 5mm 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.

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  5. Sirius Optics M48 T-ring for Nikon
    AUD $39.00

    In Stock

  6. Sirius Optics M48 T-ring for Canon EOS
  7. Celestron Advanced VX saxon 6 Inch Astrophotography Newtonian Bundle
    AUD $1,999.00

    In Stock

    • 6” (150 mm) f/5 optical design gives excellent wide field views
    • Parabolic primary mirror minimizes spherical aberration to produce a better image
    • 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 contain increased memory for future expansion
    • NexStar+ hand control offers multiple language programming (English, French, Italian, German, Spanish)
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  8. Celestron CGX Mount and 925 EdgeHD Telescope
    AUD $9,749.00

    In Stock

    • 9.25" 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

    For customers wishing to fit solar filters, the outside OTA diameter is 272 mm.

    NOTE: For solar viewing the Astrozap Glass Solar filter (Product No. 124446) is recommended.

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  9. Celestron Polar Finderscope for CGX and CGX-L
    AUD $324.99

    In Stock

    • Custom made for CGX and CGX-L Mounts
    • Adjustable bracket angle for best accessibility
    • 6x magnification
    • Simple reticle map easily locates the celestial pole without the need to reference an app or location & time
    • Scope tilt is adjustable to allow for accurate polar alignment
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  10. Celestron C8 8 Inch Optical Tube Assembly CG-5
    AUD $1,949.00

    In Stock

    The Celestron C8 8-Inch Optical Tube Assembly delivers powerful, high-contrast views with a 2032mm focal length and premium StarBright XLT coatings, making it ideal for planetary observation and deep-sky exploration. Complete with a 25mm eyepiece, 6x30 finderscope, star diagonal, and a CG-5-compatible dovetail rail, this versatile Schmidt-Cassegrain OTA is ready to pair with your mount right out of the box.

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