Product descriptions from the supplier Overview Metallurgical Microscope Specifications Model JX-203 Viewing Head Trinocular, Inclination of 30�° Eyepiece Wide field WF10X(�¦18mm) Objective Plan achromatic objectives with long working distance 5X/0.12, 10X/0.25, 40X/0.60, 60X/0.75 Focusing Coaxial coarse/fine focus system, with tensional adjustable and up stop, minimum division of fine focusing: 2�¼m Nosepiece Quadruple(Backward ball bearing inner locating) Stage Double layer mechanical (Size:185mmX140mm,movingrange:75mmX50mm) Illumination 6V 20W halogen lamp, brightness control