High resolution CCD microscope is an HDMI interface 2 million pixel high-speed camera,resolution 1920x1080,the image can reach 60 frames per second..It can on-line test the diameters of optical fiber,optical fiber bundle,glass tube.The measuring tools include point spacing, line spacing,angle,radian,parallel line,horizontal parallel line,vertical parallel line,circle,center distance,circle edge distance,dim distance,line center distance,broken line,rectangle,polygon,ect.XQ3210 is easy to use,strong practicality,and its measuring accuracy is up to micron level.