JTX SM-3 7-60X Adjustable Zoom Trinocular Stereo Microscope 1. Multi directional performance improvement, smooth and clear images, solving the problem of magnifying and reducing distortion 2. Million high-definition lens, high light transmittance, large aperture, clear field of view 3. Use the knob to accurately control the required magnification and control the objective lens 0.7-6.0 times magnification. The image remains in focus at continuous magnification 4. High definition wide-angle adjustable eyepiece made entirely of metal material adopting FMC anti reflective coating for high transmittance and high refractive index lenses 5. Imaging is clearer than ordinary CTV interfaces, wide field of view without dark angles, adjustable camera focal length 6. Adjustable pupillary distance, pupil distance adjustment suitable for different people's eyes 7. Microscope alloy base: embark on a journey of scientific exploration with a newly designed microscope base to provide you with unprecedented stability and comfort 8. The microscope focusing bracket free adjustment, 360 degrees adjustable lens module, convenient for other operations 9. 31 strong and adjustable LED beads, dust proof mirror light source