FD-180E Operation Microscope using LED light source for coaxial illumination, with 0-180° inclinable binocular and 3-step magnification changer, have different working distance and magnification. It is featured for flexible handling and easy operation. It is sued for micro-operation in dental especially, and can be used for micros-operation in ophthalmology, ear-nose-throat, gynecology and surgery.FD-180E Operation Microscope:Magnification of binocular: 8XBinocular: 0-180° inclinableMagnification of eyepiece: 12.5XInterpupillary distance: 50mm-80mmDiopter: ±7DFocal length of objective: F=200mm and F=250mm two objectivesMagnification changer: 3-step: 0.6X, 1X, 1.6XTotal magnification: 4.8X, 8X, 12.8X, 6X, 10X, 16XLinear field: 50mm, 30mm, 19mm, 40mm, 24mm, 15mmFine focusing distance: 10mmIllumination: Coaxial illumination with 10W LED lamp light source, brightness adjustable, illumination>40000lxFilter: Build-in green and yellow filtersBalancing arm: 2-part arm with universal joints, counterweight adjustable and can be lockedFloor stand: 2-part column fitted on the five-star base with castersPower supply: AC100V-AC240V