Specification Brand : AmScope BulletPoint1 : Metallurgical microscope uses transmitted and reflected light to view metallic specimens, including electronics, or larger specimens not viewable on a standard microscope stage BulletPoint2 : Trinocular head with interchangeable pairs of 10x widefield and 20x widefield eyepieces and Siedentopf binocular 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 BulletPoint3 : Forward-facing quadruple nosepiece with 4x, 10x, 20x, and 40xS (spring) infinity plan achromatic objectives that provide a longer working distance, color correction, and improved focus over the entire field of view BulletPoint4 : Episcopic (reflected) illumination system has 20W halogen illumination with rheostat to control light intensity BulletPoint5 : 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 Color : blue ExternallyAssignedProductIdentifier1 : 013964568417 ExternallyAssignedProductIdentifier2 : 0013964568417 ExternallyAssignedProductIdentifier3 : 00013964568417 ItemName : AmScope ME400TB Episcopic Trinocular Metallurgical Microscope, 40X-800X Magnification, WF10x and WF20x Eyepieces, Kohler Condenser, Halogen Illumination with Rheostat, Double-Layer Mechanical Stage, 110V ItemPackageDimensions_Height : 59 centimeters ItemPackageDimensions_Length : 56 centimeters ItemPackageDimensions_Width : 22 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-compound-trinocular-microscopes MagnificationMaximum : 800 multiplier_x Manufacturer : United Scope LLC. Material : Metal ModelNumber : ME400TB NumberOfItems : 1 PartNumber : ME400TB PowerSourceType : Corded Electric ProductSiteLaunchDate : 2012-03-17T01:47:24.872Z RealAngleOfView : 30 degrees Voltage : 110 volts