This 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 optical and precise mechanical systems promise high-quality performance for advanced applications. The backward nosepiece offers spacious room for convenient operation. This microscope has four high quality Plan Achromatic objectives (4X, 10X, 40X, 100X), a pair of extreme widefield 10X eyepieces, 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 four levels of magnification: 40X, 100X, 400X, & 1000X. It is an ideal instrument for advanced research.