... microscopeTechnical parameters:1, Eyepiece: flat-field eyepiece: 10X, 12.5X,the field diameter: 18mm, 15 mm2, Objective: achromatic lens: 10X ... 12, binocular tube: 13,10 X, 12.5X eyepiece: 14, objective lens 10X,, 40X, 100X (oil):15,setting bolt spring ... Shannon asphalt: 1 bottle9, halogen: 2 (reserveOption: 10X eyepiece with ruler, micrometer scale (grid value 0.01 mm) 4XB netallographic microscope ...