SII Filters For Telescope

Transform your telescope into a powerful tool for deep-sky observation with our SII filters. Specifically engineered to highlight the sulfur II emission lines, these filters allow you to capture the intricate structures and hidden details of nebulae and other celestial phenomena. Perfect for both amateur and professional astronomers, our SII filters offer exceptional precision and depth. By isolating the specific wavelengths emitted by sulfur ions, these filters enhance the beauty and complexity of your night sky images, revealing features that are often invisible in broadband views.

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

    ZWO SII Narrowband Filter 1.25" Inch (7nm)

    ZWO SII Narrowband Filter 1.25" Inch (7nm)

    The ZWO SII Narrowband Filter 1.25" Inch (7nm) is an essential tool for astrophotographers and visual observers seeking to capture the beauty of the night sky in high contrast and vivid detail. This filter is specifically designed to isolate the sulfur II (SII) emission lines at a wavelength of 672nm, allowing for clear and detailed imaging of nebulae, planetary nebulae, and supernova remnants.
    $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

    The Askar SII Narrowband (7nm) Filter is an essential accessory for astrophotographers and astronomers who aim to capture the detailed beauty of SII (Sulfur II) emitting nebulae and supernova remnants. Available in sizes of 2", 1.25", 36mm, and 31mm, this filter isolates the SII emission line at 671.6nm, providing exceptional clarity and contrast. Whether you are imaging in light-polluted urban environments or under pristine dark skies, the Askar SII filter will enhance your astro-imaging capabilities, revealing the subtle details of the cosmos.
    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"

    Ideal for capturing detailed images of sulfur-rich nebulae and other celestial objects. Effectively reduces the impact of light pollution, making it suitable for use in urban environments. Works seamlessly with other narrowband filters like H-Alpha and OIII for comprehensive SHO (Hubble Palette) imaging.
    From $209.00 USD
    From $209.00 USD
  • 48296743174357

    Optolong SII Filter 2 Inch 6.5nm

    Optolong SII Filter 2 Inch 6.5nm

    The Optolong SII Filter 2 Inch 6.5nm is a premier choice for astronomers and astrophotographers looking to capture the intricate details of deep-sky objects. This narrowband filter is specifically designed to isolate the Sulfur II (SII) emission line at 672nm, significantly enhancing the contrast and visibility of nebulae and other celestial phenomena. With its advanced features and high-quality construction, the Optolong SII Filter ensures that you can achieve stunning, high-contrast images with unparalleled clarity.
    $279.00 USD
    $279.00 USD
  • ZWO 2" SII Filter 7nm

    ZWO 2" SII Filter 7nm

    ZWO 2" SII Filter 7nm

    The ZWO 2" Narrowband SII Filter 7nm is a top-tier optical accessory designed for astrophotographers and astronomers who aim to capture the intricate beauty of the night sky. This narrowband filter is specifically crafted to isolate the SII (Sulfur II) emission line, making it possible to photograph stunning celestial objects even under light-polluted skies.
    $299.00 USD
    $299.00 USD