Binocular Digital Microscope total magnification:40X,100X,400X,1000X Eyepiece:WF10X/22 N. ... Windows XP/Vista) Professional software for digital microscope (Image preview, Measurement, Image process)Operation manual for installing driver and software.BaseFE12-148NSTrapezium ... headCompensation free Binocular, Interpupillary adjusting range:48mm~75mm Binocular Digital Microscope