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. saxon Adapter for AZ3 mount
    AUD $39.00

    Backorder Available

    Adapter plate for AZ3 mounthead

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  2. Celestron Reducer Lens 0.7x - EdgeHD 14 Inch
    AUD $1,399.00

    Backorder Available

    • The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1400 one full F-Stop faster than f/11, reducing your exposure time by half to capture the same brightness of object
    • 5-element lens design
    • Maintains similar flat-field performance as native EdgeHD optical design
    • Increases field of view by 43% to better capture wide field images
    • Threads directly onto the 3.25" threads of the EdgeHD which reduces mechanical vignetting and allows for use with larger (full frame) sensors and Off-Axis Guiders
    • Maintains the identical back focus when used at f/11 and provides generous back focus to accommodate additional accessories and wide variety of cameras
    • Allows use of existing EdgeHD T-Adapters with or without the Reducer Lens
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  3. Celestron Polar Finder Scope for CG-5 AVX and CGEM
    AUD $114.99

    Backorder Available

    • Polar align your Celestron CGEM, Advanced VX, or CG-5 equatorial mount with this Celestron Polar Finderscope
    • Inserts into the polar finder port at the back of the mount
    • The easily identifiable star patterns of the Big Dipper, Cassiopeia and Octans are etched into the reticle, as well as Polaris and the North Celestial Pole, to help with alignment in the Northern or Southern Hemisphere
    • Eyepiece has focus adjustments for reticle clarity
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  4. Celestron Focuser Retrofit Kit for RASA 11
    AUD $59.00

    Backorder Available

    • Allows the user to replace the FeatherTouch MicroFocuser on the RASA 11 with a traditional focus knob for compatibility with the Celestron Focus Motor
    • When combined with the Focus Motor, this kit enables you to focus the RASA 11 using a computer or Celestron hand control for remote/hands-free astroimaging
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  5. Celestron Focal Reducer Lens 0.7X - EdgeHD 925
    AUD $699.99

    Backorder Available

    • The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 9.25" one full F-Stop faster than f/10, reducing your exposure time by half to capture the same brightness of object
    • 4-element lens design
    • Maintains similar flat-field performance as native EdgeHD optical design
    • Increases field of view by 43% to better capture wide field images
    • Threads directly onto the 3.25" threads of the EdgeHD which reduces mechanical vignetting and allows for use with larger (full frame) sensors and Off-Axis Guiders
    • Maintains the identical back focus when used at f/10 and provides generous back focus to accommodate additional accessories and wide variety of cameras
    • Allows use of existing EdgeHD T-Adapters with or without the Reducer Lens
    Learn More
  6. Sky-Watcher Star Adventurer Green Ballhead Adapter
    AUD $19.00

    Backorder Available

    This accessory allows to connect a ball head adaptor on top of the star adventurer mount. It features a 3/8″ thread.

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  7. Celestron T-Adapter Universal - 1.25 Inch
    AUD $54.99

    Backorder Available

    • The Celestron Universal T-Adapter connects a DSLR or SLR camera to a refractor for prime focus photography
    • The adapter’s chrome barrel slides into any focuser that accepts 1.25” accessories
    • T-Threads accept camera brand specific T-Ring (sold separately)
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  8. Celestron USB Cooling Fan for Dobsonian Telescopes
    AUD $49.00

    Backorder Available

    • USB-operated cooling fan for StarSense Explorer 10” and 12" Dobsonian and other Dobs and reflectors with a compatible fan mount
    • Speeds up the cooling of the primary mirror to the ambient air temperature resulting in crisper, better-focused views in less time
    • Mounts directly to the rear cell of the StarSense Explorer 10” and 12" Dobsonian telescope
    • Integrated storage clip to secure the USB cable when not in use
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  9. M48 11 Piece Set Stainless Steel 0.02mm-1mm Spacer Rings Shims
    AUD $39.00

    Backorder Available

    M48 11-Piece Stainless Steel Spacing Shim Set for precision back-focus adjustment in astrophotography. Includes shims ranging from 0.02mm to 1.0mm thickness, allowing fine-tuned spacing between your telescope and camera for optimal image quality.

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  10. Sirius Optics 56mm Vixen Camera Adapter

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