This is a digital darkfield and brightfield Siedentopf PALN binocular microscope includes both darkfield and brightfield systems. The biological microscope comes with 5.0MP (2592x1944 pixels) USB digital imaging system that captures still microscope images and live video on computer. The included advanced software compatible with Windows XP/Vista/7/8/10 can also be used to make measurements. This type of compound microscopy offers a 30° inclined 360° swiveling compensation free binocular viewing head, quintuple reversed nosepiece, four PLAN objectives, large 3-D double layer mechanical stage with scales, variable intensity halogen transmitted illumination system, darkfiled & brightfield condensers, eight level magnification from 40X to 1600X. The microscopy is used by life laboratories, institutes and universities. There is a wide range of accessories available including phase contrast condensers and carrying case.