Telescopes & Astronomy

Beginner Telescopes
Kids' Telescope

Buying your first telescope? Browse our curated selection of beginner telescopes.

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Telescope Use

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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. Sirius Optics Colour Filter No. 58 Green 1.25 Inch
  2. Sirius Optics Colour Filter No. 25 Red 1.25 Inch
  3. Sirius Optics Colour Filter No. 80A Medium Blue 1.25 Inch
    AUD $19.00

    In Stock

    • For 1.25" eyepieces

    Enhances:

    • Details of cloud belts and Great Red Spot on Jupiter
    • Atmospheric clouds and polar caps on Mars
    • Feature contrast on the Moon by reducing glare
    • Cloud belts and rings on Saturn
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  4. Sirius Optics Colour Filter No. 82A Light Blue 1.25 Inch
  5. Sirius Optics Colour Filter No. 38A Blue 1.25 Inch
    AUD $19.00

    In Stock

    • Fits 1.25" eyepieces

    Enhances:

    • Clouds and atmospheric features of Venus
    • Atmospheric clouds and polar ice caps on Mars
    • Cloud belts and moon transits of Jupiter
    • Cloud belts on Saturn
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  6. Sirius Optics Colour Filter No. 21 Orange 1.25 Inch
    AUD $19.00

    In Stock

    • For 1.25" eyepieces

    Enhances:

    • Dust storms, surface plains and Maria on Mars
    • Cloud belts, polar regions, loops, festoons, and ovals on Jupiter
    • Cloud belts and polar regions on Saturn
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  7. Sirius Optics Colour Filter No. 8 Light Yellow 1.25 Inch
    AUD $19.00

    In Stock

    The Sirius Optics Colour Filter No. 8 Light Yellow (1.25") enhances planetary detail by improving contrast on Jupiter's red and orange belt features and bringing out the blue Maria on Mars. It also reduces scattered light and highlights yellow dust clouds, making it an essential filter for dedicated planetary observers.

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  8. Sirius Optics Colour Filter No. 12 Yellow  1.25 Inch
  9. Sirius Optics Colour Filter No. 47 Violet 1.25 Inch
    AUD $20.00

    In Stock

    Enhances:

    • Lunar detail
    • Polar ice caps of Mars in large telescopes
    • Polar regions on Saturn
    • Limb hazes and terminator clouds of Mars
    • Clouds and atmospheric haze on Venus, reduces glare
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  10. Meade Glass White-light Solar Filter #750
    AUD $259.00

    In Stock

    • Fits Optical Tube Diameter 7 1/8" (181mm) to 7 3/8" (187mm)
    • Safe for viewing the Sun
    • Blocks 99.999% of incoming light
    • Compatibility: LX70 R6, LX65 6" MAK & 6" ACF™, LX85 6" MAK, ACF™ & 6" Reflector 
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