| Descreen | The removal of half-tone lines or patterns during scanning |
| Density | The measure of opacity of tone on a negative |
| Delete Editing | Editing by deleting scenes |
| DeInterlace | Smoothes moving images captured on video by removing either the odd or even interlaced lines in a video image. You can choose to replace the discarded lines by duplication or interpolation. |
| DAT | Digital Audio Tape. Tape format used to store computer data |
| D8 | Digital 8 Digital video recording system using 8mm tape cassette. |
| CVBS | Chrominance, Video, Blanking, and Synchronization i.e. a composite video signal. |
| Cut-In | a brief CU or ECU of the main subject |
| Cutaway | a shot of a subject related to the main subject (but not the main subject itself) |
| Cut | A technique of moving instantly from one image (sound) to another. Often used in editing |
| CU | (Close-Up) A shot taken close to the subject. The CU explains the action definitively |
| CRT | Cathode Ray Tube AKA old style (not flat screen) TV/monitors |
| Cropping margin | different monitors can crop the image to less than full frame. There is a safe area in the frame inside which the image is unlikely to be cropped |
| CPU | Central Processing Unite, used to compute exposure |
| Conversion lens | A supplementary lens that fits in front of the camcorder lens. Can be wide angle or telephoto |
| Control Track | Electronic signal recorded on video tape which tells the VCR how fast/slow to play the tape |
| Continuous tone | An image containing the illusion of smooth graduations between highlights and shadows |
| Continuity | Unbroken flow of scenes |
| Composite video | Used by VHS and standard 8mm. The signals for colour and luminance are combined in one signal. |
| ColorSync | System level software developed by Apple, designed to work together with hardware devices to facilitate predictable color |