RF4 RF-7050TV Optical Stereo Trinocular Microscope HD Camera 70-50X Continuous Zoom for electronic phone repair jewelry carving Magnification:continuous zoom 7X to 50X Head: 45-degree inclined 360-degree swiveling trinocular Eyepiece: WF10X/22MM Barlow Lens: 0.5X & 0.7&2.0X(optional) Objective: 0.7-5.0X Camera connector:1/2ctv Monitor and eyepiece. Synchronous zoom Camera:Different models optional Boom Stand: 250mm φ32mm pillar, 200mm*255mm base with White/Black Round Plastic Plate Accessories: 144 adjustable led light & dust proof Lens