This instrument is mainly used for 2.5D detection and observation. It uses fourth-generation semiconductor LED lamps and halogen lamps for non-contact measurement and observation. 1. Metallography – widely used in LED liquid crystal, conductive particle color filter, FPD module, semiconductor crystal picture, FPC, IC package CD, image sensor, CCD, CMOS, PDA light source and other products observation and detection. 2. Tools – widely used in the testing of various products such as machinery, hardware, electronic components, molds, plastics, clocks, springs, screws, connectors, etc.