... Binocular Head, at 45 Rotatable 2,Objective: Achromatic DIN 4X,10X,40X(S),100X T-25 Microscope observation instumentUsesMonocular oblique ... Head : Sliding Binocular Head, at 45° Rotatable2Objective: Achromatic DIN 4X,10X,40X(S),100X(S,Oil)3Eyepiece: Wide Field Eyepiece ... It guarantees smooth rotation by quadruple revolving nosepiece.7. Objectives:4X,10X,40X(S) and 100X(S,oil)high-quality achromatic ...