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Visual Filters

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  1. ZWO O-III Oxygen Filter 1.25in 7nm
    AUD $199.00

    In Stock

    Adding the ZWO O-III Narrowband filter to your imaging collection will help you go beyond RGB imaging and capture your favorite nebulae in a totally new light, no matter how polluted your skies may be!

    Learn More
  2. Sirius Colour Filter No. 38A Blue
    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
    Learn More
  3. Sirius Colour Filter No. 29 Deep Red
    AUD $19.00

    In Stock

    • For 1.25" eyepieces

    Enhances:

    • Transits of the moons of Jupiter
    • Contrast between the sky and planets Mercury and Venus
    • Best used with larger telescopes
    Learn More
  4. Sirius Colour Filter No. 47 Violet
    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
    Learn More
  5. Sirius 1.25in UHC Skyglow Broadband CLS Filter
  6. Sirius 40% Transmission Moon Filter 1.25in
    AUD $19.00

    Backorder Available

    • For use with 1.25” eyepieces.
    • More light transmission than 13%, making it great for planets.
    • Reduce glare from bright objects such as the Moon, Venus, Saturn, and Jupiter.
    • Accentuate subtle detail for the Moon and planets
    • Polar ice caps of Mars in large telescopes
    • Limb hazes and terminator clouds of Mars
    Learn More
  7. Sirius V Block Violet Reduction Filter 1.25in
  8. Eclipse Glasses
    AUD $5.00

    In Stock

    Affordable cardboard and solar film glasses for eclipse viewing. Learn More
  9. Sirius 2in UHC Skyglow Broadband CLS Filter
  10. Celestron Eyepiece and Filter Kit 1.25in
    AUD $400.00

    In Stock

    • 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

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