information, the lo employed direct charge readings out of a continuous electronically charged collector.. The resultant(组合的) signal was immune to most extraneous(外部的) signal" crosstalk" from other parts of the target, and could yield extremely detailed images. For instance, IO cameras were used for capturing Apollo/Saturn rockets nearing orbit, as only they could provide sufficient detail A properly constructed image orthicon could take television pictures by candlelight owing to the more ordered light-sensitive area and the presence of an electron multiplier at the base of the tube, which operated as a high-efficiency am plifier. It also had a logarithmic数面的) light sensitivity curve similar to the human eye so the picture looked more natural. Its defect was that it tended to flare if a shiny object in the studio caught a reflection of a light, generating a dark halo(t*)around the object on the picture: Image orthicons were used extensively in the early color television cameras, where their increased sensitivity was essential to overcome their very inefficient optical system 202120P12 End2021/2/20 P.12 information, the IO employed direct charge readings out of a continuous electronically charged collector. The resultant(组合的) signal was immune to most extraneous(外部的 ) signal "crosstalk" from other parts of the target, and could yield extremely detailed images. For instance, IO cameras were used for capturing Apollo/Saturn rockets nearing orbit, as only they could provide sufficient detail. A properly constructed image orthicon could take television pictures by candlelight owing to the more ordered light-sensitive area and the presence of an electron multiplier at the base of the tube, which operated as a high-efficiency amplifier. It also had a logarithmic(数面的) light sensitivity curve similar to the human eye, so the picture looked more natural. Its defect was that it tended to flare if a shiny object in the studio caught a reflection of a light, generating a dark halo(光环)around the object on the picture. Image orthicons were used extensively in the early color television cameras, where their increased sensitivity was essential to overcome their very inefficient optical system. End