... observation instument,Sliding Binocular Head, at 45 Rotatable 2,Objective: Achromatic DIN 4X,10X,40X(S),100X T-25 ... clinical testing and demonstration of the ideal instrument. K lens can be observed with different options to be different with ... Achromatic DIN 4X,10X,40X(S),100X(S,Oil)3Eyepiece: Wide Field Eyepiece WF10X4Stage : Double Layers Mechanical Stage140X140mm/75X75mm5Condenser: Abbe NA1 ...