Coded Research Level Inverted Metallurgical Microscope For BF/DF/PL/FL/DIC Coded Nosepiece, Manual Working Stage, Coded Multi-Function Turret Disc, Coded 5W LED Reflect Light SW10x/22mm Eyepiece, NIS45 Infintiy Plan BF/DF Semi-APO 5x10x20x APO 50x100 Trinocular Head With Built-in Bertrand Lens, Built-in Media Lens Turret, Under Nosepiece, 1.0x, 1.5x Switchable Manual Working Stage Size 340x230mm, Moving Range 130x85mm, Manual Focusing Range 9mm