... 2.Total magnification 100X-1250X 3.ISO9001,CE Metallurgical Microscope YJ-2006 series45mm DIN Achromatic Objective10X,100X(S, Oil)Metallurgical Plan ... and Kohlar Illumination System with Blue,Green,Yellow and Groun YJ-2006B YJ-2006M YJ-2006 Inverted Metallurgical Microscope