... . ISO, CE 3. OEM 4. Industry, metallurgical research ZTX-E-J Diamond MICROSCOPE WITH Zoom StereoSpecification: *Viewing Head: 45 degree inclined and 360 rotatable ... +/- 5dp. Interpupillary distance is between55~75mm *Eyepiece:WF10X/22MM*Objective: ZOOM 1X - 4X*Focusing: pinion and rack, controlled by knobs on ... , 1.5X, 2X * Wooden cabinet with lock and key Diamond Microscope ZTX-E-J