 
                  BJ600X Portable metallurgical microscope
 
                  JSZ7W Binocular Trinocular stereo microscope f
 
                  JSZ7P Video Stereo Microscope
 
                  501MW Research Type Upright Metallographic Mic
 
                  501M Research Type Upright Metallographic Micro
 
                  401W Trinocular upright metallographic microsco
 
                  402-BW Large upright metallographic microscope
 
                  402-A Medium-sized upright metallographic micro
 
                  101 Binocular Inverted Metallurgical Microscope
 
                  102-B Inverted Metallurgical Microscope
 
                  102-CW Inverted Metallurgical Microscope
 
                  102-AW Trinocular Metallurgical Microscope