The 40X-2000X binocular compound LED microscope provides both brightfield and darkfield microscope system. The biological microscope comes with swiveling binocular head, body frame, revolving quadruple nosepiece, two pairs of widefield eyepieces, four DIN achromatic objectives, large double layer mechanical stage, LED transmitted illumination system and brightfield Abbe NA1.25 condenser & an oil darkfield NA1.36-1.25 condenser plus 100X objective with iris diaphragm. 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 microscope is good for teaching, demonstration, clinical examination and research purpose.