AmScope 3.5X-90X Binocular Stereo Zoom Microscope with 80-LED Light & Double-Arm Stand

This is a 3.5X-90X zoom stereo inspection boom microscope with 80-LED ring light. It comes with a binocular head with 30mm SUPER widefield, high-eyepoint 10X eyepieces, two super widefield 0.5X & 2X Barlow lenses, a 3D double-arm heavy-duty boom stand, and an 80-LED ring light with dimmer. The high-eyepoint optic design ensures an easy and comfortable observation, especially for eyeglass wearers. The 3D double-arm boom stand allows you to turn the microscope head around three different axis (x, y, and z), allowing you to point the microscope head in ANY direction you wish. The intensity-adjustable LED ring light provides bright, even and cool light illumination. Providing crystal clear sharp images, the microscope offers high resolution, super widefield of view, large magnifying zoom range and long working distance. It is an ideal instrument for manufacturers, gemologists, engravers, collectors and anyone in semiconductor and/or electronic industry. It is a right microscope for biological laboratory applications that require cool illumination. Features: A 3.5X-90X Zoom Power Stereo Microscope on Boom with 80-LED LightBright, Even and Cool Lighting IlluminationVersatile Boom Stand Covering Large Working AreaDouble-Arm Design for 3-Degree FreedomAllowing You to Point Microscope Head in Any Direction You WishHigh Resolution with Great Flatness and ContrastErect Stereo Sharp Images over a SUPER Widefield of View8" (200mm) Large Working DistanceAccurate Alignment Ensuring Fatigue-Free Long Time ViewCrystal Clear Original True Color Images45 Degree Inclined Binocular Head with SUPER Widefield High-Eyepoint Eyepieces30mm SUPER Widefield Eyepieces, WF10X/20SUPER Widefield 0.5X and 2X Barlow lenses includedBoth Ocular-Tubes with Adjustable DiopterAdjustable Interpupillary DistanceFull Optical Glass ElementsPrecise Ground Glass LensesHeavy-Duty Cast Steel Stand Finished with Stain Resistant EnamelRugged Solid Cast Steel BaseAll Metal Mechanical ComponentsRubber Eye-guards IncludedMounting Ring Adapter IncludedManufactured under ISO 9001 Quality Control StandardExcellent Five (5) Year Manufacturer WarrantySpecifications: Head: 45 degree inclined 360 degree swiveling binocularEyepiece: 30mm Super widefield high-eyepoint WF10X/20Objective: 0.7X-4.5XBarlow lens: 0.5X and 2XZoom Range: 26:1Diopter Adjustment: +/-5dpInterpupillary Distance: 2-3/16" - 2-15/16" (55-75mm)Working Distance: 8" (200mm)Maximum Field of View: 2-1/2" (65mm)Minimum Field of View: 3/16" (4.75mm)Illumination: 80-LEDPower input: 110-240V, 50-60Hz, Automatic SwitchingBoom Stand: 20" double-arm (overall length: 30"), 17" high pillar, 10-1/4"x8-1/4"x2" solid cast steel baseAccessories: eye-guards.