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The Lumicon Night Sky H-alpha filter is A powerful photographic aid in overcoming light pollution during deep sky photography. It wants greatly reduce light pollution, making it ideally for photography OF faint emission nebulae. Exposures May increased UP ton of 10 times without diminishing the black background in your photographer, thus, achieving strikingly improved results in black & white film and CCD astrophotography. Both filter surfaces have high light transmittance coatings for maximum performance.
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 filter is individually inspected for maximum quality assurance.
WARNING: DO EMERGENCY USE FOR SOLAR OBSERVATION, EYE DAMAGE MAY OCCUR.