Collection: Optolong Filters

The Optolong L-Pro 77mm filter is specially crafted to filter out light pollution, which can negatively impact the clarity and accuracy of your astrophotography. With its unique blend of multi-layer coatings, this filter enables you to capture stunning, high-contrast images of galaxies, nebulas, and other celestial objects.

Discover the wonders of the night sky with the Optolong 2" L-Quad Enhance Filter, a cutting-edge quad bandpass light pollution suppression filter designed for color cameras.

Elevate your astrophotography experience with the Optolong L-QEF Filter, a revolutionary quad bandpass light pollution suppression filter designed for color cameras.

The L-Pro filter is effective in light pollution environments and is suitable for capturing emission nebulae, reflection nebulae, and objects with continuous spectra.

The Optolong L-Extreme Filter is designed for DSLR and CCD control, providing a dual-band pass filter that isolates the H-Alpha and Oxygen III nebula emission lines.

Bid farewell to the nuisance of city light pollution. The Optolong Clear Sky Filter effectively blocks out Na and Hg light pollution, enhancing contrast and revealing the beauty of celestial objects with greater clarity.

The L-QEF is engineered to cut out light pollution wavelengths emanating from mercury and sodium lamps. Experience stunningly clear, broadband images with minimal color cast, allowing you to focus on the celestial wonders without interference.