1.25 Inch SII Filter For Telescope

Unlock the full potential of your telescope with our 1.25 Inch SII Filter. Engineered to highlight the sulfur II emission lines, this filter is essential for capturing the intricate structures and hidden details of nebulae and other celestial phenomena. The 1.25-inch size ensures compatibility with various telescopes, offering exceptional precision and depth in your observations. By isolating the specific wavelengths emitted by sulfur ions, our SII filter enhances the beauty and complexity of your night sky images, revealing features that are often invisible in broadband views. Perfect for both amateur and professional astronomers, this filter will elevate your astrophotography and uncover the fascinating details of the universe.

  • ZWO SII Narrowband Filter 1.25" Inch (7nm)

    ZWO SII Narrowband Filter 1.25" Inch (7nm)

    ZWO SII Narrowband Filter 1.25" Inch (7nm)

    By blocking out unwanted light pollution and skyglow, the ZWO SII Narrowband Filter enhances the visibility of celestial objects, making it an indispensable addition to your astrophotography equipment.
    $179.00 USD
    $179.00 USD
  • Askar SII Narrowband (7nm) Filter 2" / 1.25" / 36mm / 31mm

    Askar SII Narrowband (7nm) Filter 2" / 1.25" / 36mm / 31mm

    Askar SII Narrowband (7nm) Filter 2" / 1.25" / 36mm / 31mm

    Investing in the Askar SII Narrowband (7nm) Filter is a wise choice for any serious astronomer or astrophotographer. Its ability to isolate specific wavelengths of light and reduce the impact of light pollution makes it an essential tool for capturing stunning images of SII emitting nebulae and other deep-sky objects. The filter's high transmission rate and fine-optical polishing ensure superior performance, providing clear and detailed views of the night sky.
    From $199.00 USD
    From $199.00 USD
  • 48298393108693|48298393141461

    Optolong SII Narrowband 6.5nm Filter 2" / 1.25"

    Optolong SII Narrowband 6.5nm Filter 2" / 1.25"

    The Optolong SII Narrowband 6.5nm Filter is a high-performance astronomical filter designed to enhance deep-sky imaging. Available in both 2" and 1.25" sizes, this filter is specifically engineered to isolate the Sulfur II (SII) emission line at 672nm. By drastically reducing other transmissions, including those responsible for light pollution, this filter allows astrophotographers to capture stunning, high-contrast images of nebulae and other celestial objects.
    From $209.00 USD
    From $209.00 USD