Description:Your camera's lens thread size will be marked somewhere on the lens barrel or on the inside of your existing camera lens cap. This number is often preceded by a (diameter) symbol. For example: 49 = 49mm lens thread size. Metal Telephoto Metal Lens Hood is one of the most important accessories for each lens you own. By using this item, you can Improve quality and contrast of your photographs. The item with the black coating is made of high impact metal for long lasting and smooth mounting. Features:Reduce influence of exceeded lights & Increase transparency and color restoreAssist in keeping moisture and wind-blown debris off lens in inclement weatherProtects front barrel from inevitable impacts against walls door frames obstaclesSuitable For: All the lens with the same filter size from Nikon Canon Sony Minolta Olympus Pentax etc. Material:MetalPackage Included:1 * Lens hood