Features: The Lens Hood is to effectively block unwanted light and reduce unwanted lights,enhancing your photography. From durability metal this lens Shade effectively blocking scattered light, the light shielding covering internal extinction treatments. When taking photos with backlighting, side lighting,it can prevent not imaging light from entering and avoid fog. During forward and side light photography, scattered light from the surrounding area can be avoided from entering the lens. It can prevent accidental damage to the lens and also prevent fingers from accidentally touching the surfaces of the lens. Specifications: Item: Lens Hood Diameter :about 37MM/1.46in 39MM/1.54in 40.5MM/1.59in 43MM/1.69in 46MM/1.81in 49mm/1.93in 52mm/2.05in 55mm/2.17in 58mm/2.28in 62mm/2.44in 67mm/ 2.64in 72mm/ 2.83in 77mm/ 3.03in 82mm/3.23in Component：Metal Package Includes: 1PC Lens Hood note: (Camera ,lens and others not included) There might be a bit color distortions due to different computer resolution There might be size errors due to different computer resolution