2 Inch SII Filter For Telescope

Unlock the full potential of your telescope with our 2 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 2-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. Perfect for both amateur and professional astronomers, this filter will elevate your astrophotography and uncover the fascinating details of the universe.

  • 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 primarily used for capturing and observing SII emitting nebulae and supernova remnants. By isolating the SII emission line, this filter enables astronomers and astrophotographers to see and photograph structures within nebulae that are often obscured by other wavelengths of light. This makes it an invaluable tool for anyone conducting detailed studies of these celestial phenomena.
    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 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 SII filter will help you see the universe in greater detail than ever before.
    From $209.00 USD
    From $209.00 USD
  • 48296743174357

    Optolong SII Filter 2 Inch 6.5nm

    Optolong SII Filter 2 Inch 6.5nm

    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 Schott B260 substrate material, the filter is 2.0mm thick, providing durability and reliability.
    $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 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