AmScope ZM290T Trinocular Stereo Microscope Head

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This is a 2X-90X zoom magnification trinocular stereo microscope head with ultimate optical system, offering top-level sharp clear erect stereo images over a large zoom magnificati on range. It includes two Barlow Lenses (0.3X & 2.0X) and a pair of extreme widefield high-eyepoint WH10X/22 eyepieces with foldable eyeguards. Its trinocular port enables to add photo or video capability. It comes with 45-degree inclined 30mm eyetubes with diopter. The extreme widefield optics and high-eyepoint design ensure an easy and comfortable observation. This microscope head fits stands with a 3" (76mm in diameter) collar. Features: 2X-90X Expanded Zoom Magnification Offering Top-Level Quality Images 45-degree Inclined Trinocular Head with Extreme Widefield High-Eyepoint Eyepieces 30mm Extreme Widefield WH10X/22 Eyepieces High Resolution with Great Flatness and Contrast Sharp Stereo Erect Images over a Wide Field View Crystal Clear Original True Color Images Both Ocular-Tubes with Adjustable Diopter Large Working Distance 4" (100mm) Accurate Alignment Ensuring a Fatigue-Free Viewing Full Optical Glass Elements Precise Ground Glass Lens All Metal Mechanical Components Adjustable Interpupillary Distance Rubber Eyeguards Included Manufactured under ISO 9001 Quality Control Standard Excellent Five (5) Year Manufacturer Warranty Specifications Microscope Head Head Type Trinocular Optical System Greenough stereoscopic Ocular Incline 45° Interpupillary Adjustment Sliding, 54-76mm Ocular-port Diameter 30mm Dioptric Adjustment Both oculars, ±5dp Eyepieces 10X FN22 wide-field high-eyepoint Objective Lenses 0.67X-4.5X zoom Objective Numerical Aperture 0.0715 @ 4.5X Objective Resolution 214.5 lp/mm @ 4.5X Field-of-View (10X Eyepieces) 4.9mm-31.4mm Working Distance 4" (100mm) Auxiliary Lens Mount 48mm Collar Mounting Size 76mm (3") Photo Port 23mm 2.0X Barlow Lens Modifier 2.0X Objective Resolution 429 lp/mm @ 9X Objective Magnification Range 1.34X-9X Working Distance 4" (100mm) Field-of-View (10X Eyepieces) 2.44mm-16.42mm 0.3X Barlow Lens Modifier 0.3X Objective Magnification Range 0.2X-1.35X Working Distance 4" (100mm) Field-of-View (10X Eyepieces) 9.8mm-109.5mm Magnification Chart Eyepiece Objective Standard 0.3X Barlow 2.0X Barlow 10X 6.7X-45X 2X-13.5X 13.4X-90X Packing List: One Trinocular Stereo Zoom Head One Photo Port One Pair of Extreme Widefield WH10X/22 Eyepieces One 0.3X Extreme Widefield Barlow Lens One 2.0X Extreme Widefield Barlow Lens One Pair of Foldable Eye-Guards Show more