1.25 Inch OIII Filter For Telescope

Enhance your telescope's capabilities with our 1.25 Inch OIII Filter, expertly designed to isolate the oxygen III emission line. This high-performance filter is ideal for observing planetary nebulae, supernova remnants, and other celestial objects that emit in the OIII spectrum. The 1.25-inch size ensures a perfect fit for a wide range of telescopes, providing unmatched 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 an experienced astronomer or a passionate amateur, our OIII filter will elevate your astrophotography to new heights.

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    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
  • ZWO OIII Narrowband Filter 1.25" (7nm)

    ZWO OIII Narrowband Filter 1.25" (7nm)

    ZWO OIII Narrowband Filter 1.25" (7nm)

    Investing in the ZWO OIII Narrowband Filter 1.25" (7nm) means achieving professional-grade astrophotography results. Its superior construction, light pollution suppression capabilities, and compatibility with a wide range of equipment make it an invaluable tool for capturing the beauty of the night sky in vivid detail.
    $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 must-have tool for astronomers and astrophotographers who are serious about capturing the most detailed and clear images of the night sky. Designed specifically for deep-sky observation and imaging, this narrowband filter isolates the Oxygen III (OIII) emission line at 500nm, significantly enhancing the contrast and visibility of celestial objects
    $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