"I've used many O III filters over the years, but the Lumicon Generation 3 Oxygen III filter exceeded the performance of any of them." -Rod Mollise of Sky and Telescope Magazine
New Improved Generation 3 Lumicon 2 Inch Oxygen III FilterGeneration 3 Lumicon 2 Inch Oxygen III Filter visually isolates the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and extremely faint nebulae.
Oxygen III Filter helps faint objects become much more visible against the blackened background of space and produces near-photographic views of the Veil, Ring, Dumbbell and Orion nebula, among many other objects. This filter performs well under both light-polluted and dark skies.
Lumicon filters remain the world’s best and strictest quality control standards are employed throughout the production process. Each Lumicon Oxygen III Filter is individually inspected and scanned with the percentage of light transmittance of the OIII emission lines.
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