AmScope 2500X Lab LED Binocular Compound Microscope w 3D-Stage 100 biology Slides & Book Six widefield magnification settings: 40X, 100X, 250X, 400X, 1000X & 2500X Professional 30 degree inclined 360 degree swiveling Siedentopf binocular head 3-D double layer mechanical stage with coaxial coarse & fine focusing, Abbe condenser and iris diaphragm & filter Powerful single bulb LED illumination with dimmer One microscope book and a 25pc prepared slide collection