지구과학
굴절망원경(refracting telescope)
굴절망원경(refracting telescope)
굴절망원경(refracting telescope)
반사망원경(Reflectiog Telescope)
반사망원경(Reflectiog Telescope)
가대(MOUNT)
가대(MOUNT)
가대(MOUNT)
CCD 카메라(charge-coupled device camera)
CCD 카메라(charge-coupled device camera)
편광현미경(POLARIZING MICROSCOPE)
편광현미경(POLARIZING MICROSCOPE)
