Jasco IRT-5000/ 7000 Microscope system has the high resolution CMOS camera and 3x optical zoom function as standard, which helps to observe microscopical foreign substance very clearly. Additionally, it is possible to set measurement condition accurately by using those various types of observation accessories since it can identify the fluorescence characteristics or polarization characteristics and the difference of uneven and refractive index visibly even if the sample looks even as visible observation.