2 Inch OIII Filter For Telescope

Enhance your telescope's performance with our 2 Inch OIII Filter, specifically designed to isolate the oxygen III emission line. This high-quality filter is perfect for observing planetary nebulae, supernova remnants, and other celestial objects emitting in the OIII spectrum. With its 2-inch diameter, it fits a wide range of telescopes, providing unparalleled clarity and contrast. Capture the intricate details and vibrant colors of the night sky, revealing the hidden beauty of deep-sky objects with exceptional precision. Whether you're a seasoned astronomer or an enthusiastic beginner, our OIII filter will elevate your astrophotography to new heights.

  • Optolong OIII Filter 2 Inch 18nm

    Optolong OIII Filter 2 Inch 18nm

    Optolong OIII Filter 2 Inch 18nm

    The filter guarantees 90% transmission at the critical wavelengths of 495.9nm and 500.7nm, providing clear and vivid images of nebulae. It offers 0.1% transmission at 435nm and 578nm for Hg and at 589nm for Na, effectively cutting out unwanted light pollution.
    $158.00 USD
    $158.00 USD
  • 48298329800917|48298329833685

    Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"

    Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"

    The Optolong OIII Narrowband 6.5nm Filter is an essential tool for astrophotographers and astronomers who want to capture stunning images of the night sky. Its ability to capture specific wavelengths of light and reduce the impact of light pollution makes it invaluable for achieving detailed and high-contrast images of nebulae and other celestial objects.
    From $209.00 USD
    From $209.00 USD
  • 48296906031317

    Optolong 2" OIII 6.5nm Filter

    Optolong 2" OIII 6.5nm Filter

    Features multiple layers of anti-reflection coatings, applied via electron-beam gun evaporation with ion-assisted deposition, for enhanced durability and scratch resistance. The CNC machined, black anodized aero-metal filter cell is lightweight yet strong, providing a clear aperture of 26mm.
    $279.00 USD
    $279.00 USD
  • ZWO 2" OIII Narrowband Filter 7nm

    ZWO 2" OIII Narrowband Filter 7nm

    ZWO 2" OIII Narrowband Filter 7nm

    The filter is designed to significantly reduce the impact of light pollution, making it ideal for use in urban and suburban areas.
    $299.00 USD
    $299.00 USD