What are optical instruments?
Mainly divided into the real image and virtual image of optical instruments and optical instruments. Such as projectors, microscopes, magnifying glasses and so on. You can go to the instrumentation industry network of reference instrument.
You direct Baidu encyclopedia "optical instrument" on the list
Illuminance meter, melting point instrument, the eyepiece lens, UV radiometer, theodolite level, colorimeter, spectrometer, spectrophotometer, optical instrument, tool presetter, spectrometer, plummet, night vision, camera, projector, refractometer, magnifying glass, microscope, telescope, prism, lens, filter, filter, laser level, laser range finder