Canon ES-52 Lens Hood for EF 40mm f2.8 STM and EF-S 24mm f2.8 STM | Digital SLR Camera, Digital Cameras, Toronto Canada Digital Camera Store, Aden Camera
Amazon.com : JJC LH-52 Metal Lens Hood for Canon EF 40mm f/2.8 STM, EF-S 24mm f/2.8 STM and EF-M 18-55mm f/3.5-5.6 IS STM lens, Canon 40mm 2.8 Lens Hood, replaces Canon ES-52
JJC LH-52 Metal Lens Hood for Canon EF 40mm f/2.8 STM, EF-S 24mm f/2.8 – RainbowImaging