This compound microscope comes with a mechanical stage. With 10X and 16X eyepieces, it offers eight levels of magnification: 40X, 64X, 100X, 160X, 400X, 640X, 1000X & 1600X. This microscope is specially designed for students to learn science, teaching demonstration and clinical examination. It is also an ideal instrument for biological, bacteriological and pharmaceutical researches. Features: Fully Coated Optical System with High Resolution giving Sharp Image Mechanical Stage Basic Magnifications: 40X, 64X, 100X, 160X, 400X, 640X, 1000X & 1600X Monocular 360 Degree Rotatable Head. 45 Degree Inclined Tube. Large Plain Stage with Slide Clips Coarse & Fine Focusing with Tension Control Upward Stage Stopper Abbe condenser with iris diaphragm filter holder Built-in Illumination System Excellent 3 Year Factory Warranty. Specifications: Nosepiece: quadruple Head: monocular Eyepieces: widefield WF10X/18MM & P16X Achromatic Objectives: 4X, 10X, 40X (spring), 100X (spring, oil) Stage Dimensions: 4-3/8" x 4-3/4" (110x120mm) Condenser: NA=1.25 Abbe Focusing Control: rack & pinion Illumination: tungsten lamp, 110V/20W Dimensions: 7-1/2" x 5-1/8" x 15-0" Weight: 8 lbs. For ages 10+