Trinocular Stereo Microscope Optical Cell Phone Repair HD Electronic Circuit Board Microscope 1. Magnification: 6.5X - 58X 2. Observation tube: binocular 3. Eyepiece: WF10X23MM 4. Objective lens: 0.65 - 5.8X continuous zoom 5. Focusing system: coarse and fine focusing knob 6. Refractive adjustment: +-5DP 7. Light source: LED ring light (Type-C direct plug power supply) 8. Size: about 37.8 x 26 x 32cm 9. Weight: about 4.6kg Features: 1. Adjustable high eye point wide-angle eyepiece, rotation adjustment magnification, more convenient operation, large aperture, wider field of view, ultra-large field of view, no fatigue for double observation 2. Accurately grasp the required magnification through the magnification fine-tuning knob, control the objective lens 0.68-5.8 times magnification 3. Adjust the height up and down through the knob, free lifting and lowering, precise focusing 4. High-definition optical objective lens, 6.5-58 times optical zoom, large aperture, 18mm super large lens, 4 layers of coating 5. Built-in LED light, adjustable brightness, knob adjustment, easy to operate 6. 45-degree tilt design, fits the human bodys usage habits, long-term use will not feel uncomfortable, simple operation, long-term use will not be tiring 7. Three-eye synchronization, high-definition display, 4K precision measurement, eye observation and screen display synchronous observation, clear and sharp pictures