SAFE SOLAR OBSERVATION - Blocks 99.999% of sunlight with its Density 5 rating, ensuring secure viewing of solar events using your Unistellar telescope, protecting your eyes. ENHANCED CONTRAST - Experience superior contrast during solar observation, thanks to the high-quality polymer sheet filter that reveals intricate details on the Sun's surface. UNIVERSAL COMPATIBILITY - Designed to fit Unistellar eVscope, eVscope 2, eQuinox, and eQuinox 2 telescopes, this smart solar filter seamlessly integrates with your existing equipment. DURABLE CONSTRUCTION - Crafted with a robust plastic structure (5.63' external dimension) and a resilient polymer sheet (4.56' internal dimension) for long-lasting performance and protection.