每一个光点都由摄像管转换成电子信号。

Each dot of light is translated by the camera tube into all electronic signal.

这个方法的局限性在引进诸如氧化铅光导管摄像管，超正析象和光导摄像管之类的探测器之后变得很明显。

The limitations of this scheme became quite apparent with the introduction of detectors such as the plumbicon, image orthicon and vidicon.

电视摄像管；变像管及图像增强管；其他光阴极管。

Television camera tubes; image converters and intensifiers; other photo-cathode tubes.