Back to top. A mechanical adjustment in a camera that moves the imaging device relative to the lens to compensate for different back focal lengths of lenses. This is important when a zoom lens is fitted. Added circuitry that enables a camera to readjust the sensitivity of each pixel of the CCD which results in a uniform lighting condition. A video signal is converted to a balanced signal to enable it to be transmitted along a 'twisted pair' cable.
Video uses higher frequency than audio, thus requires a wider bandwidth.
Back to top. The distance from the flange surface to the focal point is 17.526mm. There are two types, frame transfer and interline transfer. Commite Consultatif International Radiotelegraphique. This is a standards committee of the International Telecommunications Union, who have made the technical recommendation for the European 625 line standard for video signals.