Specification Brand : AmScope BulletPoint1 : Professional stereo microscope with boom stand has long working distance to enable users to perform work or manipulate large items, including circuit boards and dental appliances BulletPoint2 : Binocular viewing head with pair of 10x super-widefield eyepieces, adjustable interpupillary distance, fixed 45-degree vertical inclination to reduce eye and neck strain, and 360-degree rotation capability to enable sharing BulletPoint3 : 0.7x-4.5x zoom objective provides continuous zoom magnification and longer focal length for inspecting large-scale specimens, a 0.5x Barlow lens extends the working distance, and a 2.0x Barlow lens extends the magnification range BulletPoint4 : Fiber-optic ring light with 150W cool-light halogen light source for observing temperature-sensitive specimens, and a rheostat controls light intensity BulletPoint5 : Double-arm boom stand has 20" arms and 17" pillar to enable users to position the microscope head on three axes (X, Y, and Z) Color : chrome ExternallyAssignedProductIdentifier1 : 013964471830 ExternallyAssignedProductIdentifier2 : 0013964471830 ExternallyAssignedProductIdentifier3 : 00013964500547 ItemName : AmScope SM-4BZ-FOR Professional Binocular Stereo Zoom Microscope, WH10x Eyepieces, 3.5X-90X Magnification, 0.7X-4.5X Zoom Objective, Fiber-Optic Ring Light, Double-Arm Boom Stand, 110V-120V, Includes 0.5x and 2.0x Barlow Lenses ItemPackageDimensions_Height : 45 centimeters ItemPackageDimensions_Length : 66 centimeters ItemPackageDimensions_Width : 22 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : science-lab-stereo-microscopes MagnificationMaximum : 90 multiplier_x Manufacturer : United Scope LLC. Material : Steel ModelNumber : SM-4BZ-FOR NumberOfItems : 1 PartNumber : SM-4BZ-FOR PowerSourceType : Corded Electric ProductSiteLaunchDate : 2011-03-03T08:00:00-00:00 RealAngleOfView : 45 degrees SupplierDeclaredDgHzRegulation : unknown Voltage : 110 volts