AmScope ME300TZA-2L-10M Digital Episcopic and Diascopic Trinocular Metallurgical Microscope, WF10x and WF16x Eyepieces, 40X-1600X Magnification, Halogen Illumination with Rheostat, Double-Layer Mechanical Stage, Sliding Head, High-Resolution Optics, Includes 10MP Camera with Reduction Lens and Software Digital metallurgical microscope uses transmitted and reflected light to view metallic specimens, including electronics, or larger specimens not viewable on a standard microscope stage, and a 10MP camera with reduction lens and USB 2.0 output for capturing or displaying images on a computer or projector Trinocular head with interchangeable pairs of 10x and 16x eyepieces and sliding head with 55 to 75mm interpupillary adjustment, fixed 30-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to enable sharing Forward-facing quadruple nosepiece with 4x, 10x, 40xS, and 100xS (oil) DIN plan optical-glass objectives that provide improved focus over the entire field of view Episcopic (reflected) and diascopic (transmitted) illumination system has halogen illumination with rheostat to control light intensity Double-layer mechanical stage has 1mm stage divisions with 0.1mm vernier graduations and stage stop; graduated coarse and fine focus with tension control to prevent stage drift