ENHANCED VIEWING - Celestron's Moon Filter Set reduces glare and increases contrast, revealing intricate lunar details for amateur & advanced astronomers alike, all in a convenient carrying case. SUPERIOR FILTER QUALITY - Experience unmatched clarity with our premium filters, crafted to minimize light pollution and maximize image sharpness, ensuring optimal views of the night sky. VERSATILE LIGHT REDUCTION - Includes ND96-0.9 (13% T), ND96-0.6 (25% T), and ND96-0.3 (50% T) filters, providing adjustable light transmission for various lunar phases and telescope apertures. OPTIMIZED THREAD SIZE - Designed with a standard 1.25' thread, these filters are compatible with a wide range of telescopes, making them an essential addition to your astronomy equipment.