Enhance your astronomical observations with this premium set of Telescope Lens Filters, crafted from high-quality aluminum alloy and optical glass for exceptional durability and clarity. Designed to reduce eye strain while improving contrast and revealing intricate surface details of planets, these filters are an essential accessory for any telescope enthusiast. Featuring a universal 1.25-inch fine thread, they are compatible with most telescopes, providing easy installation and seamless integration. Key Features: · Durable Construction: Made from sturdy aluminum alloy and high-transmittance optical glass (83%), ensuring long-lasting performance and resistance to wear. · Enhanced Planetary Viewing: Improves contrast and surface detail for clearer, more vivid views of the Moon, Jupiter, Mars, Saturn, star clusters, nebulae, and deep sky objects. · Universal Compatibility: Equipped with a standard 1.25-inch fine thread, suitable for most telescopes, making it a versatile choice for amateur and professional astronomers alike. · Multiple Color Options: Includes Red, Yellow, Blue, Green, and Black filters to customize your viewing experience; note that Red, Yellow, Blue, and Green nebula filters are not suitable for solar observation. · Easy to Use: Simple installation and removal process makes these filters convenient for quick changes during observation sessions. Specifications: · Condition: 100% Brand New · Item Type: Telescope Lens Filter · Material: Optical Glass + Aluminum Alloy · Color Options: Red, Yellow, Blue, Green, Black · Transmittance: 83% · Thread Size: 1.25 inch (31.7mm) Fine Thread · Weight: Approx. 46g (1.6oz) Package Includes: · 5 x Telescope Lens Filters (Red, Yellow, Blue, Green, Black) Note: The Black filter functions as a solar filter but should be used with caution and not during periods of intense sunlight. Red, Yellow, Blue, and Green nebula filters are not intended for solar observation. This set of telescope lens filters offers a reliable and effective solution for enhancing your celestial viewing experience, making it an ideal choice for astronomy lovers seeking improved image clarity and reduced eye fatigue.