... , 10.5/8kg tri-units140x60x10cm, GT medical X-ray film viewer series are particularly applied to various size films,such as ... illuminance screen,together with clear image effect and easy operation convenience,make it an ideal film viewer.Film-viewing screen is made ... .This product is strictly abide by National X-ray film viewer YY/T0610-2007 standard,concerning light intensity,light uniformity,light ...