Optical glass with nanometer material coating

The utility model relates to the technical field of optical glass, in particular to optical glass with a nano material coating, which comprises a frame body, an inner glass sheet is fixedly mounted on one side of the frame body, an outer glass sheet is fixedly mounted on the other side of the frame body, and a middle glass sheet is arranged between the inner glass sheet and the outer glass sheet. The middle glass sheet is slidably connected with the frame body, a filling cavity is formed between the middle glass sheet and the inner glass sheet, and the filling cavity is filled with inert gas. According to the utility model, the size of the filling cavity is adjusted and proper inert gas is filled according to the actual use environment, so that the waste of the inert gas is avoided, the wear resistance and corrosion resistance of the inner side of the optical glass are improved, the heat insulation and heat preservation performance of the optical glass is improved, the service life of the optical glass is pro