AmScope B490B-BS-50P-S Compound Binocular Microscope, WF10x and WF20x | 40X-2000X Magnification Range Compound Biological Microscope Mechanical Stage Brightfield Imaging Built-In Condenser

Compound microscope provides high magnification for biological use and educational applications

Binocular viewing head with pairs of 10x widefield and 20x widefield eyepieces and sliding head 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

Forward-facing nosepiece with 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic precision-ground optical-glass objectives that provide color correction of magnified images, and anti-mold surfaces to preserve optics in high-humidity areas

Brightfield, halogen illumination with rheostat to control light intensity, and 1.25 NA Abbe condenser with iris diaphragm and rack-and-pinion focus control for precise focus, clear examination, and light control

Double-layer mechanical stage with 1.0mm stage divisions and stage stop; and graduated coarse and fine focus with tension control to prevent stage drift