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Optolong L-Pro Filter for Canon EOS-FF

Optolong L-Pro Filter for Canon EOS-FF

Regular price $279.00 USD
Regular price Sale price $279.00 USD
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Optolong L-Pro Filter for Canon EOS-FF Camera

Delve into the cosmos and capture stunning celestial images with the Optolong L-Pro Filter designed specifically for Canon EOS-FF cameras. Whether you're an amateur astronomer or a seasoned astrophotographer, this filter enhances your ability to photograph deep sky objects with clarity and precision even under light-polluted skies.

Overall Review

The Optolong L-Pro Filter, known as L-Professional, excels in restraining light pollution while ensuring high transmittance of crucial nebulae emission lines. Its multi-bandpass design optimally captures wavelengths from 400 to 700nm, preserving natural colors and revealing intricate details of nebulae that other filters might obscure. Perfect for both visual observation and deep sky photography, the L-Pro Filter is a must-have for Canon EOS-FF users seeking to explore the heavens.

Product Specification

  • Brand: OPTOLONG
  • Type: L-Pro Clip-on Filter for Canon EOS-FF
  • Material: Aviation-grade aluminum with CNC molding
  • Transmission: High transmission (>90%) at major nebula emission lines (OIII, H-beta, NII, H-alpha, SII)
  • Blocking: Effectively blocks wavelengths of city lights (Na, Hg) and other artificial light sources
  • Coating: Multi-layer anti-reflection coating for superior image quality
  • Production: Optical polishing, electron gun evaporation, ion-assisted deposition for durability and heat resistance
  • Compatibility: Designed for Canon EOS 5D2, 5D3, and 6D cameras
  • Packaging: Includes sturdy PP material plastic box for safe storage


  1. Light Pollution Restraint: Filters out unwanted artificial light wavelengths, enhancing contrast and visibility of deep sky objects.
  2. High Transmittance: Ensures maximum transmission of critical nebula emission lines, allowing for detailed astrophotography.
  3. Durable Construction: Built with precision-machined aviation aluminum, the filter is robust and lightweight, ideal for field use.
  4. Versatile Application: Suitable for capturing emission nebulae, reflection nebulae, and other celestial objects in both urban and suburban environments.


  • Astrophotography: Enhances the ability to photograph nebulae, galaxies, and star clusters with clear details and minimal light pollution interference.
  • Visual Observation: Improves the visual experience by filtering out unwanted light wavelengths, revealing the true colors and details of celestial objects.
  • Urban Astronomy: Enables astronomy enthusiasts to enjoy and photograph deep sky objects from light-polluted urban areas.

Transform your Canon EOS-FF camera into a powerful tool for exploring the universe with the Optolong L-Pro Filter. Capture breathtaking images of the night sky, reveal hidden cosmic wonders, and immerse yourself in the beauty of astronomy.

Note: Always observe safety warnings and avoid using the filter for solar observation.


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