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 X-Cel LX 3x Barlow Lens 1.25 Inch
    AUD $194.99

    In Stock

    • Quality X-Cel LX 3x Barlow triples the magnification of any 1.25” eyepiece, perfect for owners of fast, short focal length telescopes
    • 3-element apochromatic, fully multi-coated optics offer up bright, sharp images with excellent color correction
    • A rubber grip helps to avoid accidental drops
    • Barrel is threaded to accept standard 1.25” filters
    • A brass compression ring holds eyepiece firmly in place
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  2. Celestron X-Cel LX 12mm Eyepiece 1.25 Inch
    AUD $164.99

    In Stock

    • X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
    • Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
    • A treaded rubber grip offers a no-slip grip, even with gloves on
    • 1.25” barrels are threaded to accept filters
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  3. Celestron X-Cel LX 25mm Eyepiece 1.25 Inch
    AUD $164.99

    In Stock

    • X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system
    • Pop-up rubber eyeguards provide comfort and increase contrast.  Raise and lower with a simple twist.
    • A treaded rubber grip offers a no-slip grip, even with gloves on
    • 1.25” barrels are threaded to accept filters
    Learn More
  4. Celestron Advanced VX with EdgeHD 8 Inch OTA

    Regular Price: AUD $5,149.00

    Special Price AUD $4,999.00

    In Stock

    • 8” (2032 mm) f/10 Edge HD  includes StarBright XLT coatings for better light transmission
    • Edge HD optical design fully corrects for coma and field curvature, delivering a truly flat field
    • Built-in tube vents with integrated 60 micron mesh filters allow hot air to be released behind the primary mirror
    • The secondary mirror can be removed to allow the installation of Hyperstar and Fastar for fast F/2.8 imaging
    • 9x50 optical finderscope for locating alignment stars
    • Integer gear ratios and permanently programmable Periodic Error Correction eliminates recurring track errors from the worm gear.
    • Autoguider port for long exposure imaging
    • 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.
    • NexStar+ hand control offers multiple language programming (English, French, Italian, German, Spanish)
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  5. Celestron Starsense AutoAlign for Sky-Watcher and Saxon Mounts
    AUD $1,049.00

    In Stock

    • Automatically align your computerized Sky-Watcher mount with StarSense
    • No need to identify or locate any star in the sky – StarSense will automatically align your telescope, so you can begin observing in minutes. Plug and play compatibility (see compatibility list).
    • Replaces the SynScan hand control, uses the Celestron StarSense hand control and StarSense camera. Comes with mounting bracket that is compatible with most Celestron and Sky-Watcher optical tubes.
    • 3 AUX port accessories: Supports StarSense and optional GPS accessory.  Lightweight and easy to attach with the included tripod strap.
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  6. Celestron Eyepiece and Filter Kit - 2 Inch
    AUD $749.00

    In Stock

    • This Celestron 2” Eyepiece and Filter Kit includes all the accessories you need to start using 2” eyepieces on your Schmidt-Cassegrain or refractor telescope
    • You’ll get a 2” Mirror Diagonal, three E-Lux 2” eyepieces, a 2” 2X Barlow Lens, five colored filters to improve observations of the planets, and a foam-fitted aluminum carry case
    • The 2” 90° Mirror Diagonal accepts 2” eyepieces, and attaches to the rear cell of SCT’s.  An adapter is included for use with refractor telescopes.
    • Celestron E-Lux eyepieces are a 3-element, fully multi-coated design.  You’ll get a 26 mm, a 32 mm, and a 40 mm, for a great choice of magnification and field of view.  Multiply your options by 2X when you use your 2” eyepieces with the included 2X Barlow.
    • The most popular planetary filters are included in this kit.  They are threaded to attach to most any 2” eyepiece or accessory.   
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  7. Celestron EdgeHD 925 OTA - CGE
    AUD $5,499.00

    In Stock

    Experience our best optical performance with EdgeHD’s aplanatic, flat field Schmidt-Cassegrain optics for pinpoint stars all the way to the edge of today’s largest imaging sensors and widest eyepieces

    The aluminum optical tube is fitted with tube vents which features an integrated 95-micron mesh filter that allows hot air to be released from behind the primary mirror. Mirror support knobs hold the mirror in place and reduce image shift during imaging

    Versatile design accommodates 2 focal ratios: native f/10 or ultra-fast f/2 imaging with a removable secondary mirror and third-party accessories

    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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  8. Celestron EclipSmart Solar Filter - 6 Inch SCT
    AUD $94.99

    In Stock

    • Instantly transform your normal Celestron 6” Schmidt-Cassegrain telescopes(6" SCT) into a yellow-light solar telescope (complete list of 6" SCT look in description section)
    • ISO compliant solar safe film protects your eyes when viewing the sun, unlike some other filters on the market
    • Solar film produced in the USA by American Paper Optics, one of the suppliers recommended by NASA for safe solar viewing
    • Designed from the telescope’s lens cap for a snug fit, each filter includes two safety Velcro straps and four self-adhesive Velcro pads for safely securing your solar filter in place
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  9. Celestron Focal Reducer/Corrector f/6.3
    AUD $324.99

    In Stock

    • This combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1/4", 11" and 14" Schmidt-Cassegrain telescopes
    • This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality
    • The Reducer/Corrector is f/6.3 for C5, C6, C8, C9¼ and C11 telescopes and f/7 for the C14 telescope
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  10. Celestron 48mm T-Adapter For EdgeHD 9.25 11 and 14
    AUD $119.99

    In Stock

    • Attaches directly to the rear cell of the larger Edge optical tubes
    • Produces better illumination for today's larger full-frame imaging sensors, all the way to the corners
    • Reduces vignetting–darkening around the edges of the image sensor–by providing unobstructed light to the camera
    Learn More

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