a microscope is a kind of optical tools for observing small things
microscope is laboratory_equipment. microscope is sensory_enhancement_device_visual. optical_microscope is microscope. microscope is not laboratory_equipment. optical_microscope is not microscope. electron_microscope is microscope. microscope is single_user_device. lens is optical_device. microscope is not sensory_enhancement_device_visual. light_microscope is microscope.