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"

    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
  • 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 1.25" (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 images of deep-sky objects.
    $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 designed to improve the visibility and detail of celestial objects by isolating the Oxygen III (OIII) emission line at 500nm. This filter blocks unwanted light wavelengths, including those from artificial light pollution and natural skyglow, enhancing the contrast and clarity of deep-sky objects such as emission nebulae and supernova remnants. It is particularly effective for both visual observation and astrophotography, making it an essential tool for any astronomer.
    $209.00 USD
    $209.00 USD
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    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 a powerful tool for any astronomer or astrophotographer looking to capture high-contrast, detailed images of the night sky. With its advanced coating technology, high transmission rates, and durable construction, this filter ensures that you can achieve stunning results in a variety of imaging scenarios. Whether you’re observing from a suburban backyard or a light-polluted urban environment, the OIII filter will help you see the universe in greater detail than ever before.
    From $209.00 USD
    From $209.00 USD