- Ensure safe solar observation: This black solar filter is designed for safe viewing of solar events. Do not use it during periods of intense sunlight, particularly around noon. - Universal compatibility: Features a standard inch fine thread, making it compatible with most telescopes. Perfect for both amateur and seasoned astronomers. - Durable construction: Made from high-quality aluminum alloy and optical glass, this product is built to last while delivering excellent optical performance. - Enhanced celestial viewing: Ideal for improving visibility of the moon, star clusters, nebulae, and other astronomical objects. The black filter serves as a reliable solar filter. Use Scenarios: 1. Safely observe solar phenomena during eclipses or transits without risking eye damage. 2. Enhance your stargazing experience by using this filter to view detailed lunar features and distant celestial objects. 3. Perfect for astronomy clubs and educational purposes, allowing groups to safely explore the wonders of the sky together.