AmScope B450-SP 40X-1000X LED Semi-Plan Compound Microscope with 3D 2-Layer Mechanical Stage Four widefield magnification settings: 40X, 100X, 400X, & 1000X 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