Olympus cx21i binocular microscopestandard complete microscope set with siedentopf binocular head, Integrated 6v 20w halogen anti-fungal illumination device coatedplanachromatic objectives Springs forty times along with, Rated at Four times, Ten times 100x oil spring, Paired wide field eyepieces 10x f. N. 20 created following licensefrom olympus corporation, Japan. Features uis2 infinity plan optics for excellent image flatness, Siedentopfbinocular head for ipd adjustment, Anti, Fungus treatment for tropical durability, Highpoint paired eyepieces f. N. 20, Condenser designed by Abbe featuring high performanceaspheric lenses for bright & uniform illumination throughout the angle of vision, Window in arm for convenient carrying & ergonomic design for user convenience, Smps power supply for flicker free lllumination, Rackless specimen stage for usersafety specimen stage, And comfort focus, Lock prevents any accidental damage toobjectives.