Filters

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  1. Sirius 1.25 Inch ND96 13% Moon Filter
    AUD $19.00

    Backorder Available

    Out of stock

    • For use with 1.25” eyepieces.
    • One of the essential eyepiece filters for visual astronomy.
    • Reduce glare from bright objects such as the Moon, Venus, 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
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  2. Sirius UHC Skyglow Broadband CLS Filter 1.25 Inch
    AUD $79.00

    Backorder Available

    Out of stock

  3. Sirius  1.25 Inch 40% Transmission Moon Filter
    AUD $19.00

    Backorder Available

    Out of stock

    • 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
  4. Sirius V Block Violet Reduction Filter 1.25 Inch
    AUD $69.00

    Backorder Available

    Out of stock

  5. Sirius 2 inch UHC Skyglow Broadband CLS Filter
    AUD $99.00

    Backorder Available

    Out of stock

  6. Celestron Eyepiece and Filter Kit 1.25 Inch
    AUD $349.00

    Backorder Available

    Out of 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.  
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  7. ZWO H-Alpha Hydrogen Filter 7nm 1.25 Inch
    AUD $199.00

    Backorder Available

    Out of stock

    Narrowband H-alpha astrophotography filter for high-contrast imaging and revealing rich details of nebulae, even in areas with strong light pollution. 

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  8. Sirius Starter Eyepiece and Filter Kit
    AUD $149.00

    Backorder Available

    Out of stock

  9. ZWO O-III Oxygen 7nm Filter 1.25 Inch
    AUD $199.00

    Backorder Available

    Out of 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!

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  10. ZWO S-II Sulfur Filter 1.25 Inch 7nm
    AUD $199.00

    Backorder Available

    Out of stock

    ZWO narrowband S-II 7nm filter passes light at 672nm wavelength with a bandpass of 7nm, which is designed for nebula observation.

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