This is a 1.3MP (1280x1024 pixels) digital binocular PLAN Siedentopf compound microscope. It comes with a 30° inclined 360° swiveling compensation free binocular viewing head, Siedentopf nosepiece, double layer mechanical stage with scales, 4 PLAN objectives, variable intensity halogen transmitted illumination system, eight level magnification: 40X-1600X and 1.3MP USB digital imaging system that captures still microscope images and live video on computer. The included advanced software compatible with Windows 2000/XP/Vista/7 can also be used to make measurements. This type of microscopy is perfect for research laboratories and advanced applications in clinical offices. It's also capable to add different accessories, e.g. darkfield condenser, phase contrast condenser and carrying case. Features: 1280x1024 (1.3MP) high resolution digital camera with 0.45X reduction lens & advanced software application Siedentopf binocular viewing head with adjustable interpupillary distance 4 PLAN objectives 4X, 10X, 40X (spring), 100X (spring, oil) NA1.25 Abbe condenser with iris diaphragm Coaxial coarse & fine focus knobs on both sides with stage upward stopper to protect objectives & slides