SUPERIOR CLARITY - Features AstroSolar Safety Film, ensuring high-resolution views of the sun without compromising image quality, perfect for detailed solar observation. ENHANCED SAFETY - Equipped with multiple safety straps and glue pads, this filter securely mounts to your telescope, providing a safe viewing experience every time. VERSATILE FIT - Offers adjustable clamping ranges (230-260mm & 220-250mm outer, 250-280mm & 260-290mm inner) using included bolts, fitting various telescope models. OPTIMAL PROTECTION - With an optical density of 5, the filter provides excellent protection for your eyes and equipment during visual solar observation and imaging.