The 40X-1600X compound binocular microscope includes both Kohler illumination system and 6V 20W halogen transmitted illumination system. The Kohler illumination provides even and better light. The compound microscope comes with a sliding binocular head, large double layer mechanical stage and Abbe NA1.25 condenser with iris diaphragm. It's capable to add USB camera, darkfield condenser or phase contrast condenser, e.g. All lenses are made of high quality optical glass. The high resolution image in the field of view is crystal clear and will satisfy the demands of professionals. This binocular microscopy is good for teaching, demonstration, clinical examination and research purpose.