Metallurgical Microscope USED ON METALLURGICAL RESEARCH, LABORATORY, HIGH SCHOOL Metallurgical MicroscopeObjectives:4*0 ... D.5mm,40*0.6W.D.3mmEyepieceWF10X/20mmViewing headcompensation free binocular headNosepieceQuintuple nosepieceStageDouble layers mechanical stage 190*160mm,moving stage75* ... brightnessFiltergreen:blue:yellow.Parts for choicePolarizing,Polarizing outfit Metallurgical Microscope