Fotga 58mm Hollow Vented Curved Metal Lens Cover Lens Hood for Leica M Panasonic Nikon Canon Made of anodized aluminum, 58mm filter thread This screw thread lens hood is designed specifically for Leica and has the same properties as the original Leica It will fit for all 58mm filter size lens and you can put a 67mm lens cap on it Improves the image quality, and also helps to protect the lens. Give your pictures better contrast and better picture quality Prevent unwanted light or glare entering your lens when taking pictures