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  1. 1.25in Orion Ultra Block Narrow Band Filter
    AUD $195.00

    In Stock

    • In areas plagued with significant light pollution, our UltraBlock eyepiece filter greatly increases contrast of emission and planetary nebulas
    • Allows you to see features and details through a telescope that would normally be lost due to light pollution
    • Blocks all forms of light pollution while passing critical hydrogen-beta and ionized oxygen wavelengths of light
    • Enhances the sky presence of a significant number of fainter deep-sky objects
    • Use with any filter-thread equipped 1.25" Orion eyepiece. Metal filter cell construction.
    Learn More
  2. 2in Orion Ultra Block Narrowband Eyepiece Filter
    AUD $246.00

    In Stock

    • The Orion UltraBlock is the ideal eyepiece filter for deep-sky observers located at highly light-polluted sites
    • Narrowband filter blocks all forms of light pollution
    • Enhances the presence of a significant number of fainter deep-sky objects
    • Compatible with threaded Orion 2" eyepieces. Metal filter cell construction.
    • Save yourself a trip to dark skies - with the UltraBlock filter you can enjoy the stars from the suburbs!
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  3. 1.25in Orion Sky Glow Broadband Eyepiece Filter
    AUD $159.00

    In Stock

    • For observers viewing through a telescope from suburban or city skies, the Orion SkyGlow filter can significantly improve the quality of your view
    • The SkyGlow filter enhances deep-sky observations in moderately light-polluted skies
    • Broadband filter blocks the most common wavelengths of light pollution for increased contrast and better views
    • SkyGlow eyepiece filters improve views of nebulas, galaxies as well as open and globular star clusters
    • 1.25" filter with metal filter cell construction compatible with all 1.25" Orion telescope eyepieces and filter-threaded 1.25" accessories
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  4. 2in Orion Sky Glow Broadband Eyepiece Filter
    AUD $179.00

    Backorder: Allow 4-8 weeks

    • The SkyGlow filter enhances deep-sky observing in moderately light-polluted skies
    • 2" eyepiece filter blocks the most common wavelengths of light pollution for increased contrast and better view quality
    • SkyGlow improves the views of nebulas, galaxies and star clusters, especially when viewing in areas with light pollution from streetlights
    • Ideal for backyard astronomy oberving when you don't have time to trek to a dark sky site
    • 2" filter designed for use with 2" telescope eyepieces. Metal filter cell construction.
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  5. 1.25in Orion Sky Glow Astrophotography Filter
    AUD $169.00

    Backorder: Allow 4-8 weeks

    • Specialized astrophotography filter designed for deep-sky imaging in light polluted skies with CCD or DSLR cameras
    • The SkyGlow Imaging filter suppresses up to 99% transmission of specific light wavelengths responsible for light pollution
    • Enhances contrast of all types of deep-sky objects: galaxies, nebulas, and star clusters
    • Filter with metal filter cell construction preserves neutral color balance, eliminating need for corrective color processing later
    • Enables longer astrophotographic exposure times without background saturation due to sky glow
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  6. 2in Orion Sky Glow Astrophotography Filter
    AUD $363.00

    Backorder: Allow 4-8 weeks

    • Use this specially designed 2" astrophotography filter for deep-sky imaging from areas suffering from light pollution
    • Lets you capture astrophotographs in light polluted skies with CCD or DSLR cameras by blocking up to 99% transmission of specific wavelengths responsible for light pollution while passing through vital light wavelengths for pleasing images
    • Enhances contrast of all types of deep-sky objects: galaxies, nebulas, and star clusters
    • Filter with metal filter cell preserves neutral color balance, eliminating need for corrective color processing later
    • Enables longer astrophotography exposure times without background saturation due to sky glow pollution
    Learn More
  7. 2in Orion Oxygen Iii Nebula Eyepiece Filter
    AUD $320.00

    Backorder: Allow 4-8 weeks

    • An Oxygen-III, or O-III, eyepiece filter helps reveal details and improve contrast when viewing nebulas through a telescope
    • Filter transmits close to 90% of the light corresponding to two oxygen-III spectral lines at 496nm and 501nm wavelengths
    • O-III eyepiece filter blocks virtually all other visible wavelengths of light for optimized nebula-viewing performance
    • Made with high quality optical glass in a double-threaded, metal filter cell
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  8. 2in Orion Hydrogen Beta Nebula Eyepiece Filter
    AUD $263.00

    Backorder: Allow 4-8 weeks

    • An excellent eyepiece filter for viewing faint and elusive nebulas such as the Horsehead, California, and Cocoon Nebulas
    • Selective band-pass eyepiece filter transmits only the hydrogen-beta wavelength of light these faint nebulas emit
    • Allows you to observe celestial targets that are considered trophies of visual astronomy
    • Best used with a moderate to large aperture telescopes under clear, dark skies with good seeing conditions
    • Metal filter cell threaded to fit 2" Orion eyepieces and telescope diagonal barrels
    Learn More
  9. 1.25in Orion 13% Transmission Moon Filter
    AUD $38.00

    Backorder: Allow 4-8 weeks

    • he Orion 1.25" 13% Transmission Moon Filter reduces glare so you can see more lunar detail and surface features with your telescope
    • Metal filter cell threads directly into the 1.25" barrel of your telescope eyepiece
    • Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming
    • Telescope eyepiece filter transmits only 13% of the incoming light, boosting contrast and ability to discern detail on the Moon
    • Perfectly neutral color will not alter the natural color of the Moon
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  10. 2in Orion 13% Transmission Moon Filter
    AUD $57.00

    Backorder: Allow 4-8 weeks

    The moon filter causes a contrast increase in lunar observations. Learn More

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