ENHANCED COMFORT - The Canon ER-i Eyecup provides extended comfort during long photoshoots, reducing eye strain and improving the overall shooting experience with its ergonomic design. SUPERIOR CLARITY - Experience exceptional image clarity with the ER-i Eyecup, designed to minimize extraneous light and reflections for a clearer, more focused view through the EOS R1. PRECISION FIT - Specifically designed for the EOS R1 Mirrorless Camera, the ER-i Eyecup ensures a secure and precise fit, maintaining optimal performance and preventing light leakage. DURABLE BUILD - Crafted with high-quality materials, the Canon ER-i Eyecup offers robust durability, withstanding daily wear and tear to protect your camera's viewfinder in various conditions.