The SU6600 is Hitachi's latest high resolution analytical field emission SEM with Variable Pressure technology allowing observation and analysis of any type of wet, oily or dirty sample. Advanced Schottky electron gun technology combined with our patented ADAPT, automated differential aperture system, yields greater than 200nA of current; ten times the current other manufacturers can provide with thermal emissions. The large analytical chamber accommodates EDS, WDS, EBSP and CL simultaneously and at the same analytical working distance.