AmScope ME300TZB-2L-10M Digital Episcopic and Diascopic Trinocular Metallurgical Microscope, WF10x and WF20x Eyepieces, 40X-2000X Magnification, Halogen Illumination with Rheostat, Double-Layer Mechanical Stage, Sliding Head, High-Resolution Optics, Includes 10MP Camera with Reduction Lens and Software