Compound microscope provides high magnification for biological use and educational applications;Siedentopf binocular head with pairs of 10x widefield and 25x widefield eyepieces with 53 to 77mm inter-pupillary 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 objectives that provide color correction of magnified images at five magnifications;Brightfield, LED illumination, and 1.25 NA Abbe condenser with iris diaphragm for clear examination and light control;Double-layer mechanical stage, with 1.0mm stage divisions, locks slide into place and provides precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded, enabling the viewer to return to a specific location on the slide;Six widefield magnification settings: 40X, 100X, 250X, 400X, 1000X & 2500X;Professional 30 degree inclined 360 degree swiveling Siedentopf binocular head;Large 3-D double layer mechanical stage with coaxial coarse & fine focusing;High quality Abbe condenser with iris diaphragm & filter;Powerful single bulb LED illumination with dimmer