Tecnai F20

F20-pictureThe F20 can operate at 120kV or 200kV. It has a field emission gun (FEG) source of electrons, which provides better coherence. It is used for basic electron cryomicroscopy of moderate resolution projects, or for higher-resolution negative-stain data collection. It is equipped with a 4k x 4k UltraScan CCD camera.