This digital trinocular zoom stereo microscope package contains a super high resolution and super speed 18MP USB 3.0 camera. The 3.5X-90X zoom trinocular microscope comes with super widefield optics, and versatile illumination system that provides both incident (top) and transmitted (bottom) lights with individual adjustable intensity. The package also includes a 56-LED ring light with intensity control that provides shadowless illumination from the top of the sample. The 4912x3684 pixels USB 3.0 digital imaging system captures still microscope images and live video on computer, and provides a live preview image. The included software compatible with Windows, Mac OS and Linux operating system has numerous features (see version information below), and can be installed on most modern computer systems. With the included 0.5X barlow lens, the working distance can be as long as 6-1/2" (165mm), and the field of view can be as large as 2-3/8" ( 60mm) in diameter. An optional 2X auxiliary lens can be used to increase the total power to 180X, which is good for inspecting precision instructments. The stereo microscope is useful for many applications such as biological research laboratories, engravers, watchmakers, gemologists, collectors, jewelers and anyone in the electronics industry.