AmScope SM-5BX 3.5X-45X Binocular Stereo Microscope on Ball Bearing Boom Stand

This is a binocular 3.5X-45X zoom stereo microscope on a versatile ball-bearing boom stand, giving crystal clear sharp images. It comes with a binocular head with 30mm super widefield, high-eyepoint WF10X/20 eyepieces and a ball-bearing double-arm boom stand. The ball-bearing design allows you to move the microscope head forward and back so easily that you can have it done by the touch of a finger. This microscope offers high resolution, super widefield of view, large magnifying zoom range and long working distance. It is an ideal instrument for engravers, gemologists, circuit board inspectors and anyone in semiconductor and/or electronics industry. Features: 3.5X-45X Stereo Zoom Microscope on Ball-Bearing Boom StandAllows You to Move the Microscope Head Forward and Back at the Touch of One FingerHigh Resolution with Great Flatness and ContrastErect Stereo Sharp Images over a SUPER Widefield of ViewAccurate Alignment Ensuring Fatigue-Free Long Time ViewingCrystal Clear Original True Color Images45 Degree Inclined Binocular Head with SUPER Widefield High-Eyepoint Eyepieces30mm WF10X/20 SUPER Widefield Eyepieces Both Ocular-Tubes with Adjustable DiopterAdjustable Interpupillary DistanceFull Optical Glass ElementsPrecise Ground Glass Lenses8" (200mm) Large Working DistanceVersatile Boom Stand Covering Large Working AreaHeavy-Duty Cast Steel Stand Finished with Stain Resistant EnamelRugged Solid Cast Steel BaseAll Metal Mechanical ComponentsRubber Eye-guards IncludedManufactured under ISO 9001 Quality Control StandardExcellent Five (5) Year Manufacturer WarrantySpecifications: Head: 45 degree inclined 360 degree swiveling binocularEyepieces: 30mm super widefield high-eyepoint WF10X/20Objective: 0.7-4.5XBarlow Lens: 0.5XZoom Range: 13:1Diopter Adjustment: +/-5dpInterpupillary Distance: 2-3/16" - 2-15/16" (55-75mm)Working Distance: 8" (200mm)Field of View: 2-1/2" (65mm) in diameterBoom Stand: 28" (710mm) overall length, 16" (406mm) high pillar, 11-1/2" x 10-1/2" x 3/4" (292mm x 267mm x 19mm) solid steel baseAccessories: eye-guards.