| A | B |
|---|
| autoexposure | the camera system that delivers the correct amount of illumination to the recording mechanism, regardless of the light level of the shooting environment. |
| autofocus | The camera system that ensures that the subject in the image appears clear and sharp. |
| camcorder | An appliance that both captures moving images and stores them on tape. |
| default | A setting that is selected automatically unless the user changes it manually. |
| head room | The distance between the top of a subject's head and the upper edge of the frame. |
| lead room | The distance between the subject and the edge of the frame toward which it is moving. |
| look room | The distance between the subject and the edge of the frame toward which it is looking. |
| pan | To pivot the camcorder horizontally on its support. |
| roll to raw stock | To advance a videotape through previously recorded sections to blank tape, in preparation for additional recording. |
| rule of thirds | An aid to composition in the form of an imaginary tic-tac-toe grid superimposed on the image. Important picture components are aligned with the lines and intersections of the grid. |
| white balance | A camera system that neutralizes the color tints of different light sources, such as sunshine and halogen lamps. |
| zoom | To magnify or reduce the size of a subject by changing the focal lenght of the lens. |
