Description Conventional fluorescence excitation, upright or inverted, incl. Hg lamp, Metal-Halide or LED illumination. Equipment Zeiss (Carl Zeiss Microscopy Gmbh) Cell Observer Z1 / Zeiss Cell Obser... Zeiss (Carl Zeiss Microscopy Gmbh) Cell Observer Z1 Brightfield/Transmission Microscopy Contrasts Olympus BX51 / Olympus BX51 Olympus BX51 Wide Field Fluorescence Microscope