JL-3003A reflected metallurgical microscope is suitable to observe the surfaces of non-transparent object. It is equipped with vertical illuminator, plan achromatic objectives with long working distance (no cover glass), wide-field eyepieces and set polarizer device in trinocular. It provides clear and high-contrast picture, beautiful sculpt, convenient operation, etc. It is the ideal instruments for research work in metallographic, mineralogy, precision engineering, electronics, etc. It is suitable for scientific research, teaching demonstration in the colleges and factory.