Best Light Pollution Filter

The astronomik cls city light suppression filter is the perfect first filter for astrophotography whether it is through a telescope or with a camera lens.

Best light pollution filter.

Most experienced observers agree that a narrowband filter filter one that passes h beta and oiii emission in the blue green while blocking h alpha and light from sodium and mercury vapor lamps is the best all around light pollution or nebula filter for visual observation. A quality light pollution filter will allow the important colors and light emitted by your astrophotography subject to reach the camera sensor without the nasty brown glow of a washed out sky. If those filters qualified as a light pollution filter so would a piece of glass spray painted black blocking all light. This filter has a proven track record of consistent results under city light pollution and one of the first light pollution filters i used with my camera.

So here are the filters. The design of the filter includes layers that block specific bandpass lines of the visible spectrum. All filters are available in both 1 25 31 75mm and 2 50 8mm. You can access each size on amazon via the table at the top of this buyers guide.

The only difference is size the same features still apply. The light pollution emitted by street lamps illuminated signs houses cars and everything else that makes a city what it is will usually make it so you an barely spot a single star in the sky never mind constellations planets or anything else. Recommendations for light pollution filters.