Designed for the EF-M 55-200mm F4.5-6.3 IS STM lens, the ET-54B lens hood helps maintain outstanding image quality by preventing flare and ghosting effects caused by sporadic light entering the lens. objective. The threaded front element allows the mounting of different filters, allowing you to capture images that are always suited to your needs. In addition, the dark and matte interior avoids unwanted reflections in your photos. This lens hood offers protection from bumps and scratches.