OIII Filters For Telescope

Unlock the universe's hidden beauty with our OIII filters for telescopes. These high-performance filters are designed to isolate the oxygen III emission line, making them ideal for capturing stunning details of planetary nebulae, supernova remnants, and other celestial objects. With our OIII filters, your telescope will reveal the intricate structures and vibrant colors of the night sky, offering unparalleled clarity and contrast. Whether you're a seasoned astronomer or a passionate amateur, these filters will enhance your deep-sky observations, bringing out the best in your astrophotography.

  • 48297147760853

    Optolong OIII 18nm Filter 1.25"

    Optolong OIII 18nm Filter 1.25"

    he substrate of the filter is fine-optically polished to 1/4 wave and maintains less than 30 seconds of parallelism across both surfaces, ensuring supreme clarity and focus. Adhering to the stringent MIL-O-13830 standard, the filter boasts a 60/40 surface quality rating, guaranteeing minimal optical imperfections.
    $128.00 USD
    $128.00 USD
  • Optolong OIII Filter 2 Inch 18nm

    Optolong OIII Filter 2 Inch 18nm

    Optolong OIII Filter 2 Inch 18nm

    This filter is specifically designed to improve the visibility of celestial objects, particularly nebulae. By isolating the emission lines of doubly ionized oxygen (OIII), it enhances the contrast of these objects against the night sky, making them more visible through your telescope.
    $158.00 USD
    $158.00 USD
  • ZWO OIII Narrowband Filter 1.25" (7nm)

    ZWO OIII Narrowband Filter 1.25" (7nm)

    ZWO OIII Narrowband Filter 1.25" (7nm)

    It effectively blocks all other light, providing clear and detailed views of nebulae and other celestial objects. Whether you are dealing with light pollution or seeking to enhance the contrast and detail of your images, the ZWO OIII Narrowband Filter is an essential tool for any serious astronomer or astrophotographer.
    $179.00 USD
    $179.00 USD
  • Optolong OIII 6.5nm Filter 1.25"

    Optolong OIII 6.5nm Filter 1.25"

    Optolong OIII 6.5nm Filter 1.25"

    Transform your astronomical observations and astrophotography with the Optolong OIII 6.5nm Filter 1.25". Order now to enjoy clear, high-contrast images of the night sky and capture the beauty of deep-sky objects with unprecedented detail. Click the link below to add this essential tool to your collection today.
    $209.00 USD
    $209.00 USD
  • 48298329800917|48298329833685

    Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"

    Optolong OIII Narrowband 6.5nm Filter 2" / 1.25"

    With its state-of-the-art construction and advanced coating technology, the Optolong OIII Narrowband Filter ensures that you capture the most stunning and clear 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

    This filter ensures 80% transmission at the OIII emission line (500nm), providing bright and detailed views of nebulae and other deep-sky objects. Reduces the transmission of unwanted light wavelengths, including artificial light pollution from mercury vapor and sodium vapor lights, as well as natural skyglow.
    $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 ZWO 2" OIII Narrowband Filter 7nm is an essential tool for anyone serious about astronomical observation and astrophotography. Its ability to isolate specific wavelengths and reduce light pollution impact makes it invaluable for capturing stunning nebula images.
    $299.00 USD
    $299.00 USD