Helps block unwanted light Lens hoods are essential when taking pictures where the camera is pointing towards a strong source of light (i.e. the sun, spot lights). Protects the lens Protects the lens when stood on a surface, in the camera bag, or when changing lenses - also helps to keep fingers away from the front of the lens. Compatible Lens hood for Alpha SEL70200GM lens. package height : 12.7 cm package length : 12.5 cm package width : 12.6 cm Product type : CAMERA OTHER ACCESSORIES Batteries 1 Nonstandard Battery batteries required. Item Weight 4.8 ounces Manufacturer Sony Item model number ALCSH145 Product Dimensions 5 x 5 x 3.25 inches