flying-spot microscope

flying-spot microscope

[¦flī·iŋ ‚spät ′mī·krə‚skōp]
(optics)
A microscope in which a minute spot of light, produced in the lens system, passes through a specimen while sweeping over it systematically, and falls on a photocell; the image is produced on a cathode-ray tube that is scanned in synchronization with the spot.