1) Rear mount: 58mm screw (male)
2) Front mount: 67mm screw (female)
3) Material: metal
4) Metal lens shade for all Leica 58mm filter thread lenses, will screw into your lens, or filter. Solid metal construction, with flat black interior to prevent reflections.
5) Lock on to the lens directly with a screw-in type.
6) Prevent unwanted light or glare entering your lens when taking pictures.
7) Give your pictures better contrast and better picture quality.
