This Lumicon #47 Purple Filter is a Lumicon Color Filter. Made from renowned Schott and Hoya optical glass and allow for maximum contrast on viewing planetary and lunar detail. Individually precision ground, highly polished with maximum light transmission coatings on both sides, these filters are 100% guaranteed for life.
- Venus: Clouds
- Mars: Polar Caps
- Saturn: Rings
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.