Broadband Filters For Telescope

Unlock the full spectrum of the night sky with our broadband filters for telescopes. These filters are ideal for observing a wide range of celestial objects, enhancing contrast and reducing light pollution to deliver vibrant, detailed views. Perfect for both urban and rural settings, our broadband filters allow you to explore the beauty of stars, galaxies, and nebulae with clarity and depth. Whether you're observing the Milky Way or distant galaxies, these filters will elevate your astronomical experience. Capture stunning images and bring out the best in your night sky observations with our high-quality broadband filters.

  • Optolong Moon & Skyglow Filter 1.25"

    Optolong Moon & Skyglow Filter 1.25"

    Optolong Moon & Skyglow Filter 1.25"

    The filter effectively blocks skyglow at 589nm and various street light emissions, preserving image brightness and increasing contrast. The filter cell is CNC machined for high precision, ensuring a perfect fit and alignment with your telescope’s eyepiece.
    $72.00 USD
    $72.00 USD
  • 48296815657173

    Optolong Moon and Skyglow Filter 2"

    Optolong Moon and Skyglow Filter 2"

    By blocking unwanted light at 589nm and other streetlight emissions, this filter allows for a darker background sky, thereby revealing more details and increasing the contrast of the Moon, galaxies, nebulae, and globular star clusters. Whether you are observing visually or photographing the night sky, this filter ensures optimal performance and clarity.
    $88.00 USD
    $88.00 USD
  • Optolong CLS Filter 1.25"

    Optolong CLS Filter 1.25"

    Optolong CLS Filter 1.25"

    Blocks 0.1% of off-band wavelengths, specifically targeting major emission lines of artificial light pollution such as Na (589nm) and Hg (435nm and 578nm).
    $95.00 USD
    $95.00 USD
  • Optolong UHC Light Pollution Filter 1.25"

    Optolong UHC Light Pollution Filter 1.25"

    Optolong UHC Light Pollution Filter 1.25"

    Blocks 0.1% of major transmission lines of artificial light pollution such as Hg (435.8nm, 546.1nm, 577nm, and 578.1nm) and Na (589nm, 615.4nm, and 616.1nm).
    $95.00 USD
    $95.00 USD
  • Optolong CLS 2" Light Pollution Filter

    Optolong CLS 2" Light Pollution Filter

    Optolong CLS 2" Light Pollution Filter

    The Optolong CLS 2" Light Pollution Filter is designed to improve the visibility of deep-sky objects by selectively reducing the transmission of light pollutants. This filter enhances the contrast and detail of nebulae, galaxies, and star clusters, making them more visible even in areas with significant light pollution. It is particularly effective for astrophotography, allowing you to capture clearer, more detailed images of the night sky.
    $118.00 USD
    $118.00 USD
  • Optolong UHC 2" Light Pollution Filter

    Optolong UHC 2" Light Pollution Filter

    Optolong UHC 2" Light Pollution Filter

    The Optolong UHC 2" Light Pollution Filter is designed to improve the visibility of deep-sky objects by selectively reducing the transmission of light pollutants. This filter enhances the contrast and detail of nebulae, galaxies, and star clusters, making them more visible even in areas with significant light pollution. It is particularly effective for astrophotography, allowing you to capture clearer, more detailed images of the night sky.
    $135.00 USD
    $135.00 USD
  • 48312819220693

    Optolong L-Pro Light Pollution Broadband Filter 1.25"

    Optolong L-Pro Light Pollution Broadband Filter 1.25"

    The Optolong L-Pro Light Pollution Broadband Filter 1.25" is a must-have accessory for astrophotographers and visual observers who want to capture stunning, high-contrast images of the night sky despite the challenges posed by light pollution. This advanced filter selectively reduces the transmission of wavelengths from common light pollutants, allowing you to see and photograph deep-sky objects with greater clarity and detail.
    $176.00 USD
    $176.00 USD
  • Optolong L-Pro Light Pollution Broadband Filter 2"

    Optolong L-Pro Light Pollution Broadband Filter 2"

    Optolong L-Pro Light Pollution Broadband Filter 2"

    The Optolong L-Pro Light Pollution Broadband Filter 2" 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.
    $219.00 USD
    $219.00 USD