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Optolong CLS EOS-FF Filter Clip-in Camera Filter for Canon

Optolong CLS EOS-FF Filter Clip-in Camera Filter for Canon

Regular price $142.00 USD
Regular price Sale price $142.00 USD
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Optolong CLS EOS-FF Filter Clip-in Camera Filter for Canon

Are you ready to take your astrophotography to the next level, even from the heart of the city? The Optolong CLS EOS-FF Filter Clip-in Camera Filter is here to revolutionize your nighttime photography! This filter is specifically designed for Canon EOS Full Frame digital cameras (EOS 5D2, EOS 5D3, and EOS 6D), making it the perfect companion for urban stargazers and deep sky enthusiasts.

Overall Review

The Optolong CLS EOS-FF Filter is a game-changer for photographers battling the bright city lights. Itโ€™s a must-have tool for capturing stunning deep sky objects right from your backyard. By blocking unwanted wavelengths from mercury and sodium-vapour lights, this filter dramatically reduces light pollution, allowing the beauty of the cosmos to shine through. Whether you're a seasoned astrophotographer or just starting out, this filter provides an affordable and effective solution to enhance your night sky images.

Product Specifications

  • Product Name: Optolong CLS EOS-FF Filter Clip-in Camera Filter
  • Compatible Cameras: Canon EOS Full Frame (EOS 5D2, EOS 5D3, EOS 6D)
  • Filter Type: Clip-in Full Frame
  • Key Wavelengths Blocked: Mercury and sodium-vapour artificial lighting
  • Critical Wavelengths Allowed: OIII, H-Alpha, H-Beta bands
  • Material: Quality aluminum construction with multicoated surfaces
  • Package Includes: Optolong CLS Filter for Canon EOS-FF, PP Material Plastic Box

Key Features

  1. Effective Light Pollution Reduction:
    • Blocks wavelengths of mercury and sodium-vapour artificial lighting, significantly reducing light pollution and skyglow.
  2. Enhanced Deep Sky Imaging:
    • Allows critical OIII, H-Alpha, and H-Beta bands through, making it ideal for capturing detailed images of nebulae, galaxies, and star clusters.
  3. Improved Contrast and Extended Exposure:
    • Significantly improves contrast and allows for greatly extended exposure times, enabling you to capture faint celestial objects with greater clarity.
  4. Durable Construction:
    • Made with high-quality aluminum and multicoated surfaces to ensure durability and excellent optical performance.
  5. Easy Integration:
    • Fits perfectly with Canon EOS Full Frame digital cameras, allowing you to use your existing high-quality equipment and lenses seamlessly.


  1. Urban Astrophotography:
    • Perfect for photographers in urban environments. The filter efficiently blocks city lights, enabling clear and detailed images of the night sky from within the city.
  2. Deep Sky Object Imaging:
    • Ideal for capturing deep sky targets such as nebulae, galaxies, and star clusters by allowing important spectral lines through while blocking unwanted light.
  3. Traditional Photography:
    • Offers creative possibilities in traditional photography by experimenting with different wavelengths, enhancing overall image contrast and quality.
  4. Extended Exposure Photography:
    • Facilitates extended exposure times without the interference of artificial lights, perfect for capturing detailed and dynamic night sky images.

Unlock the Cosmos with Optolong CLS EOS-FF Filter

Dive into the fascinating world of astrophotography with the Optolong CLS EOS-FF Filter Clip-in Camera Filter. Whether you're gazing at distant galaxies or exploring the intricate details of nebulae, this filter ensures your images are crisp, clear, and free from urban light pollution. Easy to install and use with your Canon EOS Full Frame camera, itโ€™s the perfect addition to any astrophotographer's toolkit. Transform your night sky photography and capture the universe in breathtaking detail with Optolong!

Important Note

WARNING: The Optolong filters are not designed for sun observation. DO NOT LOOK AT THE SUN WITH THE OPTOLONG FILTER. Failure to observe this warning may result in blindness. Always use appropriate solar filters for sun observation.

Explore the wonders of the night sky like never before with the Optolong CLS EOS-FF Filter and let your astrophotography dreams come to life!


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