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FIT
Frame Interline Transfer. A type of CCD imager featuring substantially reduced vertical smear. See also CCD and Vertical smear.
Flange focal length
The distance from the plane of lens mounting flange to the image focal plane. Abbreviated to Ff.
Flare
Dark or colored flashes caused by signal overload through extreme light reflections of polished objects or very bright lights.
Flicker
Repeated change of brightness on the screen.
Genlock
Generator lock. To synchronize the pulse generator built into video equipment to an external reference (master) sync signal.
Geometric distortion
Any change in geometry or perspective of the reproduced image from the original.
HAD
Horizontal resolution
The capability of a video camera or a display unit to preserve detail in the horizontal direction. Usually expressed as the number of vertical lines which can be distinguished in the reproduced image of a test chart.