This is a brand new professional phase contrast infinity binocular compound microscope with superior extreme widefield infinity optical system, offering crisp clear images. It comes with a 30 degree inclined 360 degree swiveling binocular 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). The backward nosepiece configuration allows spacious room for convenient operation and comfortable observation. This microscope provides seven phase contrast magnification powers (100X, 200X, 250X, 400X, 500X, 1000X and 2500X) and six levels of brightfield magnification (40X, 100X, 250X, 400X, 1000X and 2500X). It is a superb instrument for clinic offices, veterinary labs and research laboratories, and comes brand new in a factory sealed box. Its retail value is $5100.