Big screen digital microscope bio-microscopes has stable frame and can fit monocular, binocular, trinocular head on it. Double layer mechanical stage with adjustable long handle and coaxial coarse/fine focus knob make the operation easily. It is provided with high quality achromatic objectives, wide field eyepieces and halogen lamp adjustable brightness, which guarantee the best image. It’s both excellent in performance and moderate price. It in used widely for clinical examination, teaching demonstration, bacteriology and cytoscopy in colleges and universities, medical and health establishments, research institutes and department of forestry and agriculture.