JJC LH-DA18 Professional Hard Lens Hood for Tamron 18-250mm f/3.5-6.3 Di-II LD Lens (Model A18) 18-270mm f/3.5-6.3 Di-II VC PZD Lens (Model B008) Replaces Tamron DA18 JJC LH-DA18 Professional Hard Lens Hood for Tamron 18-270mm & 18-250mm Replaces Tamron DA18 Hard Lens Hood . Protects your lens and reduces flare Professional Hard Lens Hood for Tamron Easy to remove and attach.