... :220V/6V 20W 5)Objectives:4*,10*,40*,100* Trinocular biological microscope XSZ-N107SM Achromatic Objectives 4X,10X,40X(S),100×(S ... )Eyepiece Wide Field Eyepiece WF10X(WF16X optional) Viewing head Sliding Trinocular Head Stage Double Layer Mechanical Stage Size 140X140mm,Moving Range ... Diaphragm&Filter IIIumination Halogen Lamp 220V/6V20W or 110V/6v20W Trinocular biological microscope XSZ-N107SM