... /18.5x ............... Operating Microscope TM-300F1.Appliction and Features TM-300F Portable operation Microscope is applicable for diagnosis,treatment,examination and ... ,300mm(Lens-changer) Eye piece : 12.5x / 18.5x TM-300F 5 stepts magnification:0.4, 0.6, 1, 1.6 ... :3.5KGStands types : Table Mount , Floor stand Operating Microscope TM-300F dental manufacturer