Magnus Trinocular Microscope Model MX21i-TR-LED standard complete microscope set with Siedentopf Trinocular head, Long life LED light source illuminator, Anti-Fungal coated Plan Achromatic Objectives 4x,10x, 40x (spring) & 100x (oil, spring), paired wide field eyepieces 10x (F.N.20). Features : UIS2 Infinity Plan Optics for excellent image flatness, Siedentopf binocular head with IPD adjustment, Anti-fungus treatment for tropical durability, Highpoint paired eyepieces (F.N.20), Abbe condenser with high performance aspheric lenses for bright & uniform illumination throughout the field of view, Window in arm for convenient carrying & Ergonomic design for user convenience, SMPS power supply for flicker free lllumination , Rackless specimen stage for user safety and comfort, specimen stage focus-lock prevents any accidental damage to objectives.