... 18.5x 3.Mag.:65/43/22/17/12mm 4.Table Mount,Floor stand Optical Microscope TM-300FC 1.Appliction and ... 12.5x / 18.5x TM-300F 5 stepts magnification:0.4, 0.6, 1, 1.6, 2.5x Specification :Obejective ... Changer: 5-steps ,manual magnifcation changer Magnification factors: 0.4/0.6/1.0/1.6/2.5xMagnification : 3x/ ... 0.8M,MAX load :3.5KGStands types : Table Mount , Floor stand TAO'S Optical Microscope TM-300F