JJC LH-DA09 Lens Hood for Tamron A09 28-75mm f/2.8 XR Di LD Aspherical (IF) Lens & A16 17-50mm f/2.8 XR Di-II LD Aspherical [IF] Lens, replaces TAMRON DA09 LH-DA09 Bayonet Mount lens hood for Tamron A09 28-75mm f/2.8 XR Di LD Aspherical (IF) Lens Alson fits Tamron A16 17-50mm f/2.8 XR Di-II LD Aspherical [IF] Lens Extra protection from accidental impact Prevent unwanted stray light from entering the lens 100% replaces Tamron DA09 hood