Designed to prevent stray light from entering the lens, in order to keep unwanted glare from affecting your photographs. Designed for the EF-M 15-45mm f/3.5-6.3 IS STM lens. Accessory Type: Lens hood Compatibility (Lens): Canon EF-M 15-45mm f/3.5-6.3 IS STM Designed For: EF-M Accessory Type: Lens hood Intended for: Lens Compatibility (Lens): Canon EF-M 15-45mm f/3.5-6.3 IS STM Designed For: Canon EF-M