Viewing head : Sidentopf Trinocular Head 30° Inclined. Interpupillary distance 48-75mm. Eye piece : WF10X / 18mm Objective : Achromatic Objectives DIN: 4X, 10X, 40X, Magnification : 40X -400X Nosepiece : Triple Nose piece Stage : Double Layer Mechanical Stage 110X120mm Moving Range : 70mm X 20mm Focusing System : Coaxial Coarse & Fine Adjustment System, Range 28mm, Fine Division 0.002mm with tension control and locking stage. Condenser : Swing-out Condenser NA 0.9/ 0.25 Illumination : Halogen 6V/20W / LED Brightness Adjustable Spare Parts : Dust Cover, Spare Bulb, Spare Fuse Optional : Binocular Head Pointer Eye piece Grain size eyepiece Battery back-up Micrometer eyepiece Quardruple Noise Piece Achromatic Objective 100x (Oil)