AmScope T530A Compound Trinocular Microscope, WF10x and WF16x Eyepieces, 40X-1600X Magnification, Brightfield, Halogen Illumination, Kohler Condenser, Double-Layer Mechanical Stage, High-Resolution Optics Trinocular compound microscope provides high magnification for biological use and educational applications Trinocular viewing head with vertical camera mount and Siedentopf binocular mount with pairs of 10x widefield and 16x widefield eyepieces with 55 to 75mm interpupillary adjustment, fixed 30-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to provide a more comprehensive view and enable sharing Reverse-mounted ball-bearing driven nosepiece with 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic precision-ground optical-glass objectives that provide color correction of magnified images Brightfield, halogen illumination with rheostat to control light intensity, and Kohler condenser with iris diaphragm and rack-and-pinion focus control for precise focus, clear examination, and light control Double-layer mechanical stage with 1mm stage divisions and stage stop; graduated coarse and fine focus with tension control to prevent stage drift