JJC LH-52 Professional Hard Lens Hood for Canon 40mm 2.8 STM lens replaces Canon ES-52 JJC LH-52 Professional Hard Lens Hood for Canon 40mm 2.8 STM lens replaces Canon ES-52 Hard Lens Hood . Protects your lens and reduces flare Professional Hard Lens Hood for Canon 40mm 2.8 STM lens Easy to remove and attach. same day shipping