... -5 Steps magnification 3.Eyepieces:12.5/18.5x ........... Operating Microscope TM-300F1.Appliction and Features TM-300FC Portable operation ... applicable for diagnosis,treatment,examination and ordinary operation in different medical unit,like orthopaedics,Surgery,ear-nose-throat Surgery,ophthalmology ... 8M,MAX load :3.5KGStands types : Table Mount , Floor stand Operating Microscopes for dentist medical