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 Omni Eyepiece - 1.25 Inch 12mm
    AUD $49.99

    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
    Learn More
  2. Orion High-Power 2x 4-Element Barlow Lens 1.25in
  3. Celestron Omni Eyepiece 1.25 Inch 4mm
    AUD $49.99

    Backorder Available

    • 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
    Learn More
  4. Celestron PowerSeeker Accessory Kit
    AUD $94.99

    Backorder Available

    • This economical seven-piece accessory kit enhances the performance of your Celestron PowerSeeker, or most any other telescope
    • Includes two full-size 1.25” eyepieces, three eyepiece filters, a cleaning cloth, and a case
    • One medium power and one high power eyepiece give you a new perspective on celestial objects
    • A Moon filter helps block out some moonlight so you can see more lunar detail, and the two color filters (Red and Blue) highlight features on Mars, Jupiter, and Saturn
    • A hard plastic carry case keeps everything safe in the foam-lined interior  
    Learn More
  5. saxon Cielo HD 9mm 1.25 Inch ED Eyepiece
    AUD $169.00

    Backorder Available

    Get better views from your telescope with the saxon Cielo HD 9 mm 1.25" ED Eyepiece. A premium six-element fully multi-coated eyepiece with extra-low dispersion glass, this eyepiece promises excellent, clear, well-corrected images for any astronomy viewing.

    Compatible with all telescopes.

    Learn More
  6. Celestron Universal 1.25 Inch T-Adapter and 2x Barlow
    AUD $59.00

    Backorder Available

    • The Celestron Universal Barlow & T-Adapter is three accessories in one!
    • 2X Barlow:  Use during visual observing to double the magnification of every 1.25” eyepiece you own
    • Prime Focus Photography: Use the T-Adapter portion of this accessory to transform your telescope into a giant telephoto lens
    • Tele-Extended Photography:  Use the T-Adapter with Barlow to get double the magnification of prime focus mode 
    • T-threads accept camera brand specific T-Ring (sold separately)
    Learn More
  7. Sirius 7.5-22.5mm Zoom Eyepiece 1.25 Inch
  8. Celestron X-Cel LX 3x Barlow Lens 1.25 Inch
    AUD $194.99

    Backorder Available

    • 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
    Learn More
  9. Celestron Eyepiece and Filter Kit 1.25 Inch
    AUD $374.99

    Backorder Available

    • This 1.25” Eyepiece & Filter Kit includes 14 accessories that will add new life to your telescope and your observing!
    • You’ll get five quality Plossl eyepieces, a 2X Barlow Lens, six colored filters to improve observations of the planets, a Moon filter, and a foam-fitted aluminum carry case with extra room to grow
    • Five eyepieces and a Barlow lens equals 10 different magnifications to choose from, including the equivalent of a 3 mm, 4 mm, 6 mm, 6.5 mm, 8 mm, 8.5 mm, 13 mm, 16 mm, 17 mm and 32 mm.  And that doesn’t include eyepieces you may already have in your collection, which will now achieve double the magnification with the addition of the Barlow.
    • A Moon filter will increase your enjoyment of lunar observations by dimming the brightness and increasing contrast
    • The most popular planetary filters are included in this kit.  Have fun seeing what a blue filter will reveal about Jupiter, or unveil the polar ice caps on Mars with a red or orange filter.  
    Learn More
  10. Celestron X-Cel LX 9mm Eyepiece 1.25 Inch
    AUD $164.99

    Backorder Available

    • 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

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