MMIC049/050/051 series biological microscopes are equipped with excellent infinity plan achromatic objectives and wide field eyepieces. The ideal ergonomic design isadopted, such as low-lying focusing knobs, backward nosepiece and integrated handle, so that operate the instruments easier and have wider space, especially movingthe instruments is better safety. They can be used for biology, medicine agriculture and industry area widely. They are the ideal instrument in medical treatment, teachingdemonstration and scientific research.