Photoelectronic devices are similar to photographic cameras in the sense that a device consists of a means for collecting and focusing electromagnetic radiation, and for converting the electromagnetic radiation by means of a sensing surface into a form that can be stored and/or observed. The television camera and the image-intensifier system merely replace the photographic film in the film plane with, respectively, the sensing surface of the television tube and of the image-intensifying tube.
KeywordsElectromagnetic Radiation Modulation Transfer Function Film Plane Night Vision Image Tube
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