LAMZIX 49mm Rubber 3in1 Collapsible Lens Hood for Sony Canon Nikon Pentax+Free Lens Cap 1.Shades lens from stray light, improving your contrast and image quality 2.Reduce influence of exceeded lights & Increase transparency and color restore 3.Assist in keeping moisture and wind-blown debris off lens in inclement weather 4.Protects front barrel from inevitable impacts against walls door frames obstacles 5.Hood made of high quality rubber which can be collapsed easily