QZG series of optical coating machine using electron beam evaporation and resistive heating evaporation device, equipped with a large crucible electron gun, the entire evaporation process of membrane material surface roughness, evaporation evenly distributed; equipped with high-power ion source to improve the quality of the film. This equipment is mainly used for coated antireflective film, band-pass film and the closure of the various film layers, to achieve mega-film system coatings, resin lenses can also meet a variety of colors on the coated antireflective film as well as in sunglasses chip coated red, yellow, blue, green and other colors of the reflective film coating also applies to accessories, such as the colorful colors and so on.