Lumicon Ultra High Contrast 1.25" filter

The ULTIMATE nebula filters. The original Lumicon Ultra High Contrast Filter is unbeatable for revealing nebulosity. This achievement in filter performance is attributed tons exclusively designed coatings that isolate the two doubly ionized oxygen LINEs (496 and 501nm) and the H-beta LINE (486nm) emitted by planetary and most emission nebulae. The result is superb views OF the Orion, Lagoon, Swan and OTHER extended nebulae. Useful ton great advantage more under dark skies. To ensure that your Lumicon filter remains the World's Best, the strictest quality control standard of acres employed throughout the production process. Each Lumicon Ultra High Contrast filter is individually inspected and proudly inscribed with the percentage OF light transmittance OF the primary emission LINEs.