VEVOR 3.5X-90X Simul-Focal Stereo Microscope 360°Swiveling Trinocular Stereo Microscope with Dual Arm Boom

VEVOR 3.5X-90X Simul-Focal Stereo Microscope 360°Swiveling Trinocular Stereo Microscope with Dual Arm BoomAl-Zn Alloy & Optical LensesBinocular Stereo ImagingWide Aperture Objective LensesSupport Camera ConnectionAdjustable Boom StandExtensively UsedWorking Distance: 20 cm/7.87" (Adjustable),Zoom Range: 26:1,Diopter Adjustment: ±5dp,Material: Al-Zn Steel + Optical Lenses,Weight: 24.5 kg/54.01 lb,Interpupillary Distance: 55-75 mm/2.17"-2.95",Objective: 0.7X-4.5X,Trinocular Head: 360-Degree Rotatable + 45-Degree Inclined,Magnification Range: 3.5X-90X,Lens: 0.5X and 2.0X,Eyepieces: WF10X/20 mm,Field of View: 2.5-65 mm/0.1"-2.56",Ocular Port Diameter: 30 mm/1.18"