Lumicon International offers you an extensive product offering of astronomical filters. The Deep Sky , Hydrogen-Beta , Oxygen III , and Ultra High Contrast Filters are the result of 20 years of steady design improvements, and continue to deliver the highest performance of all anti-light pollution filters obtainable today. You can find Lumicon Filters for every use imagined. Filters for deep sky objects, galaxies, nebulae, planets, planetary nebulae, light polluted skies, comets, and solar prominences. All UHC, Deep Sky, OIII and H-Beta filters are individually inspected and tested on a Perkin-Elmer Double-Beam Spectrophotometer. We proudly inscribe the % of transmission for each of the primary lines.
