This is a professional infinity trinocular darkfield compound microscope with superior extreme widefield infinity optical system, offering crisp clear images. It comes with a 30 degree inclined 360 degree swiveling trinocular Siedentopf head, extreme widefield eyepieces, infinity objectives, coaxial coarse & fine focusing, 3-D mechanical stage, and Kohler halogen illumination with wide band power supply (from 85V to 230V).