... a simple coaxial illumination operation microscope for one man. It is portable, compactCharacteristics:Optical lens are all multi-coated, mild-proof and ... Magnifications: 12.5×Objective Focus: 200mmWorking Distance: 190mmMagnification for Main Microscope: 5.3×,8×,12× stepsDiameter of Field: F38mm,F25mm, ... Volume: 0.24m3,1 cartonTotal Gross Weight: 51kg Operation microscope GOM-6 of GD medical