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. Celestron Narrow Dovetail Bar Kit for 8 Inch Cassegrain OTAs (CG5)
    AUD $69.99

    In Stock

    • Fits pre-drilled holes in the front and rear cells of current 8” Schmidt-Cassegrain and 8” EdgeHD Optical tubes
    • Aluminum bar with orange anodizing provides a sturdy mounting platform.
    • Easy to install and comes complete with all necessary hardware
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  2. Celestron Dovetail Bar 11 Inch CGE Wide
    AUD $99.99

    In Stock

    Wide dovetail bar to fit CGE or Losmandy style saddles

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  3. Celestron Counterweight - 12 lbs - 19mm Shaft - Advanced VX
    AUD $99.99

    In Stock

    • Designed to fit 19mm counterweight shafts
    • Sturdy lock knob keeps the counterweight safely on the shaft
    • For full list of compatible mounts, please see description section below
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  4. Celestron Universal Mounting Plate CG-5 Vixen
    AUD $109.99

    In Stock

    • Attach a variety of accessories to your Advanced CG-5 or Advanced VX mount with this Universal Mounting Plate
    • Several different mounting holes to choose from to mount rings, spotting scopes, cameras, etc
    • Approximately 10 inches long
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  5. Celestron Universal Mounting Plate CGE Losmandy
    AUD $149.00

    In Stock

    • Attach a variety of accessories to your CGEM or CGE-style mount with this Universal Mounting Plate
    • Several different mounting holes to choose from to mount rings, spotting scopes, cameras, etc
    • Approximately 14 inches long
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  6. Celestron T-Adapter for EdgeHD 9/11/14 inch
    AUD $129.00

    In Stock

    • T-Adapter for 9.25, 11 & 14” EdgeHD optical tubes. It threads onto the rear cell
    • This T-Adapter allows you to attach your 35 mm DSLR camera to the prime focus of your EdgeHD telescope
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  7. 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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  8. Celestron T-Adapter for NexStar 4SE
    AUD $54.99

    In Stock

    • This Celestron T-Adapter connects a DSLR camera to a NexStar 4SE or C90 spotting scope for prime focus photography
    • Threads onto the rear cell for secure, wiggle-free connection
    • T-threads accept camera brand specific T-Ring (sold separately)
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  9. Celestron StarPointer Finderscope
    AUD $39.99

    In Stock

    • The StarPointer Finderscope adds “point and look” functionality to any telescope!
    • This red dot finder keeps the sky right-side up, matching what you see with your unaided eyes
    • The adjustable red dot is bright enough to see day or night
    • Attaches to just about any telescope thanks to the small footprint, even works great with astronomical binoculars and spotting scopes
    • Includes mounting base and a long-lasting CR2032 3V battery
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  10. Celestron Omni Eyepiece - 1.25 Inch  40mm
    AUD $84.99

    In Stock

    • Omni eyepieces offer a quality 4-element Plössl optical design at a super affordable price
    • Rubber eyecups provide comfort and increase contrast. Leave them up or fold them down when wearing eyeglasses.
    • Beautiful matte aluminum barrels and blackened lens edges prevent internal reflections
    • 1.25” barrels are threaded to accept filters
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