6575X YCS Trinocular Stereo Microscope With B3 , 6.5-75x Continuous Zoom Trinocular Microscope for Mobile Phone Motherboard Soldering Repair Microscope. Magnification: Continuous zoom from 6.5X to 75X. Head: 45-degree inclined, 360-degree swiveling trinocular. Eyepiece: WF10X/23MM adjustable. Objective: 0.65-7.5X. Design: Ergonomic design for comfortable use. Material: Sturdy aluminum alloy construction. Application: Suitable for PCB welding, mobile phone repair, and detailed inspections.