Camkitmate Camera Lens Hood For Sony DT 18-55mm/18-70mm F3.5-5.6 SAM Lens Replacement Bayonet ALCSH108 Lens hoods are primarily designed to prevent unwanted stray light from entering the lens by extending and shading the end of the lens the end of the lens is extended, you also get the added benefit of some extra protection from accidental impact. Dedicated lens hoods are designed to match the specific focal length of the lens it was designed for. For Sony DT 18-55mm/18-70mm F3.5-5.6 SAM Lens What you will get:1 x Lens Hood