MP20 polarization microscope is utilized polarize light to observe and research the polarize characteristic of the matter which has the double refraction. MP20 is widely used in medical inspection, such as the frame detail of the nerve fiber, the animal muscle, the plant fiber and the crystal of the tooth, bone, hair and alive cell etc. Use MP20,you can observe the fine frame of the biochemistry salt crystal that the fine frame can't be observed under nature light. It is equipped with wide field eyepieces and achromatic objectives, the field of view is widely and clear. It has Coaxial coarse/fine focus system, with tensional adjustable and up stop, minimum division of fine focusing: 2?m. 6V 20W halogen lamp transmission illumination brightness control and it has Abbe condenser.