LK-T31A China Microscopio Price of Digital Dental Operating Microscope with Camera Binoculars Tubes Focus: F=150mm Interpupillary Distance: 55mm-80mm Eyepieces: 10.5x Field Of View Adjustment: ±7d Large Obejctive Lens: F=250mm Object Diameter: Led Light Source: >45,000lx View Diameter: 10mm-100mm Spot Diameter: 90mm Maximum Resolution: 1920*1080p 2.5x~25x Manual Continuous Regulation Working Distance: About 250mm