AmScope M150B Compound Monocular Microscope, WF10x and WF20x Eyepieces, 40x-800x Magnification, LED Illumination, Brightfield, Single-Lens Condenser, Coaxial Coarse and Fine Focus, Plain Stage, 110V Compound microscope provides high magnification for biological use and educational applications Monocular viewing head with interchangeable 10x widefield and 20x widefield eyepieces, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to provide a more comprehensive view and enable sharing Forward-facing nosepiece with 4x, 10x, and 40x DIN achromatic full-glass objectives that provide high-resolution color-corrected images Brightfield, LED illumination, a 0.65 NA single-lens condenser with disc diaphragm, and coaxial coarse and fine focus for sharp images Plain stage with stage clips to secure slide and a stage stop to prevent damage to slides or objectives