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 substrate is fine-optically polished to 1/4 wave with less than 30 parallelism over both surfaces. This ensures minimal light scatter and superior image clarity. Complying with the MIL-O-13830 standard, the filter boasts a surface quality of 60/40, which translates to exceptional durability and performance.
    $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 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
  • 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 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