This brand new professional trinocular compound microscope comes equipped with an infinity Plan optical system and offers advanced features as well as research-grade performance. Its crystal-clear optics and precise mechanical systems promise high-quality performances for advanced applications. The backward nosepiece-design allows spacious room for convenient operation. This microscope has four high-quality Plan Achromatic objectives (4X, 10X, 40X, 100X), two pairs of extreme widefield eyepieces (10X, 25X), a Koehler illumination system, a 30-degree incline on the ocular tubes for comfortable viewing, 360-degree swiveling, compensation-free trinocular head, a coaxial coarse & fine focusing system, and a 3D mechanical stage. It provides six levels of magnification: 40X, 100X, 250X, 400X, 1000X, 2500X. It is an ideal instrument for advanced researches.