... 1,Microscope observation instument,Sliding Binocular Head, at 45 Rotatable 2,Objective: Achromatic DIN 4X,10X,40X(S),100X T-25 ... Eyepiece WF10X4Stage : Double Layers Mechanical Stage140X140mm/75X75mm5Condenser: Abbe NA1.25 with lris Diaphragm& Filter6Illumination: Built-in Illumination, Halogen ... low position.9. Condenser:ABBE condenser N.A=1.25 with iris diaphragm,Kolher illumination is optional. T ...