This is a professional binocular compound microscope with a 1.3MP USB digital imaging system. It comes with a 45 degree inclined 360 degree sliding binocular head, body frame, revolving quadruple nosepiece, a pair of widefield eyepieces WF10X/18, four DIN achromatic objectives: 4X, 10X, 40X (spring), 100X (spring,oil), large double layer mechanical stage, Abbe NA1.25 condenser with iris diaphragm and a halogen illumination system. The 1280x1024 pixels USB digital imaging system 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 also view and capture the images on iMac or Macbook with Mac OS. 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.