Designed specifically for Canon EF 50mm f/1.8 STM lens (NOT compatible with EF 50mm f/1.4). Matches the ES-68 hood style for seamless attachment. Works with 49mm threaded filters and allows use of the original Canon lens cap, ensuring convenience and protection. Blocks stray light to enhance image contrast and clarity, improving photo and video quality in bright conditions. Made from high-quality plastic for long-lasting use without adding extra weight to your camera setup. Easy-to-install twist-lock design ensures a snug fit, preventing accidental detachment during shooting.