This is a lens coat designed to protect the lens body and camouflage large lenses when photographing wild birds. Made of a material similar to a wetsuit, it also protects the lens from dust and rain. It is made specifically for the z180-600, so it can be installed without any modification. It has holes that match the various switch parts of the lens body, so please install it accordingly. I am selling it because I have replaced my telephoto lens. This product has little sign of use.