Specification of COSLAB Model: HL-12 LED (ECO) Viewing Head : Binocular Head 45° inclined and 360° Rotatable Eyepiece : Wide Field 10x/18mm Objectives : Antifungal Achromatic 4X, 10X, 40X & 100X (Oil, SL) Nosepiece : Quadruple Nosepiece Condenser : Abbe type N.A.1.25 with IRIS Diaphragm & filter Stage : Double Layer Mechanical Stage 142mm x 132mm with double slide holder. Focusing Range : Coaxial Coarse and Fine adjustment fine division 0.002mm with tension control Illumination : 6V 20W Halogen Lamp or LED, Brightness Adjustable