The professional stereo zoom microscope has a pair of 10X super-widefield high-eyepoint eyepieces, a 0.7X-5.0X zoom objective, a 0.5X Barlow lens, and a single-arm boom stand, pillar stand. The microscope has an overall magnification range of 7X-50X. The trinocular viewing head has an interpupillary range of 55 to 75mm, a 45-degree inclination to reduce eye and neck strain, and 360-degree rotation to enable sharing. The WH10x20mm super-widefield high-eyepoint eyepieces combine with the 0.7X-5.0X zoom objective to provide continuous zoom magnification and a longer working distance for inspecting large-scale specimens that require handling or repair. Magnification range: 7X-50X Zoom  Objective Power: 0.7X-50X  Eyepieces (DIN, 30mm): WH10x20mm high-eyepoint  Zoom Range: 13:1  Field of View: 2-1/2″  Optical working distance: Up to 8″  Microscope Stand: Single-arm boom stand==>Pillar stand  Head Movement: X- and Y-axes  Illumination Type: Episcopic (reflected)  Package Content* 1x Trinocular Stereo Microscope RF4 RF7050-P04  1x A pair of WF10X/22MM eyepiece 1x One Pair of rubber eye guards 1x One dust cover Plastic 1x Dust Protection Glass 1x One Big Microscope Base ( 330*250 ) 1x 0.5X CTV Zooming Camera Lens 1x LED Light With Adjustable Controller