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"

    Optimized for specific wavelengths, it offers 90% transmission at 495.9 nm and 500.7 nm, critical for viewing ionized oxygen in nebular regions. The filter significantly cuts out unwanted light with only 0.1% transmission at certain wavelengths, further clarifying your celestial observations.
    $128.00 USD
    $128.00 USD
  • Optolong OIII Filter 2 Inch 18nm

    Optolong OIII Filter 2 Inch 18nm

    Optolong OIII Filter 2 Inch 18nm

    Don’t miss the opportunity to elevate your stargazing and astrophotography to new heights. Order the Optolong OIII Filter 2 Inch 18nm today and start capturing the beauty of the night sky like never before. Click the link below to add this essential tool to your astronomical toolkit.
    $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)

    The ZWO OIII Narrowband Filter is primarily used for capturing and enhancing images of deep-sky objects such as nebulae. By isolating the OIII emission lines, it enables astrophotographers to obtain clearer and more detailed images, even in light-polluted environments.
    $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"

    The Optolong OIII 6.5nm Filter 1.25" is a powerful tool for any astronomer or astrophotographer looking to reduce the effects of light pollution and improve the visibility of deep-sky objects. With high transmission rates, advanced coating technology, and durable construction, this filter ensures that you can capture stunning, high-contrast images of the night sky with ease.
    $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"

    6.5nm bandwidth centered at 500nm, isolating OIII emissions while blocking out unwanted light. 80% transmission at the 500nm OIII line, ensuring bright and detailed images.
    From $209.00 USD
    From $209.00 USD
  • 48296906031317

    Optolong 2" OIII 6.5nm Filter

    Optolong 2" OIII 6.5nm Filter

    The filter blocks infrared wavelengths from 700nm to 1100nm, eliminating the need for a separate IR-Cut filter. Precision Polishing: The filter substrate is fine-optically polished to 1/4 wave with less than 30 parallelism over both surfaces, ensuring superior image quality. Made from 2mm thick Schott B260 optical glass substrate, the filter offers excellent durability and reliability.
    $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