... quality ,approved CE ,ISO13485,ISO9001 ect. opnation ophthalmic microscope with high quality ,approved CE ,ISO13485,ISO9001 ect.Detailed ... ModelYZ20P6Eyepiece Magnifications12.5×Objective Focus200mmWorking Distance190mmMagnification for Main Microscope5.3×,8×,12× stepsDiameter of FieldF38mm,F25mm,F17mmAdjustable Diopter±7DAdjustable ... Volumn0.24m3,1 cartonTotal Gross Weight51kg operation microscope