The advanced trinocular Siedentopf compound microscope provides a 9.0MP USB digital imaging system. The digital biological microscope comes with trinocular viewing head, body frame, quintuple reversed nosepiece, four DIN achromatic objectives, large double layer mechanical stage with slide clips, variable intensity halogen transmitted illumination system. It offers eight level magnifications from 40X to 1600X. The 3488x2616 pixels (9.0MP) USB digital imaging system that captures still microscope images and live video on computer. The included software compatible with Windows XP/Vista/7/8/10 can also be used to make measurements. You can add advanced accessories including darkfield condenser and phase contrast kit to upgrade your microscope. This top level lab microscopy is designed for research laboratories and advanced applications in clinical offices.