Fangrui Product Details 1. 7x-50x Stereo Microscope Binocular Microscope With Light 2. Microscopes Are Widely Used In Education, Lab Research, Biology, Metallurgy, Engineering, Chemistry, Manufacturing, And In The Medical, Forensic Science, And Veterinary Industries. 3. The Professional Stereo Zoom Microscope Has A Pair Of 10x Super-widefield High-eyepoint Eyepieces, A 0.7x-4.5x Zoom Objective, And A Single-arm Boom Stand, Pillar Stand. 4. The Microscope Has An Overall Magnification Range Of 7x-45x. The Binocular 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. 5. The Wh10x20mm Super-widefield High-eyepoint Eyepieces Combine With The 0.7x-4.5x Zoom Objective To Provide Continuous Zoom Magnification And A Longer Working Distance For Inspecting Large-scale Specimens That Require Handling Or Repair. 6. Accurate Alignment Reduces Eye Fatigue During Long Viewing 7. The Removable 56-bulb Led Ring Light Provides Bright, Cool Light For Working With Temperature-sensitive Or Live Specimens. 8. The Ring Light Provides Shadow-free Illumination, And A Rheostat Controls The Amount Of Light Emanating From The Lamp. 9. Power And Adjustment Controls Are Located On The Light Head. The Light Has A 100,000-hour Life Span And A 90v-265v Variable Power Supply. 10. Magnification Range: 3.5x-45xzoom 11. Objective Power: 0.7x-50x 12. Eyepieces (din, 30mm): Wh10x20mm High-eyepoint 13. Zoom Range: 13:1 14. Field Of View: 2-12" 15. Optical Working Distance: Up To 8"