| Zoom Tool | A tool used for magnifying a digital image on the monitor |
| Zoom ratio | The change in focal length |
| Zoom | To change the image size without changing subject to camera distance |
| YUV | Y=Luminance=0.59G+0.3R+0.11B, U=Normalised B-Y, V=Normalised R-Y. The color space representation used in PAL video and television transmission. |
| VTR | Videotape recorder. A videocassette recorder (VCR) can also be called a VTR, but a video recorder that uses openreel tapes cannot be called a VCR. |
| Voice Over | Narrated script added to a video |
| Virtual memory | Hard drive memory allocated to function as RAM |
| Video8 | Analog video recording system using helical scanning and 8mm magnetic tape. |
| Video Out | Some digital cameras allow you to output images directly to a TV or video in PAL and NTSC standards. |
| Video Controller | Electronic marker that controls the playback and recording of VCR’s during editing |
| Video Cassette | Plastic casing that holds videotape, available in different sizes and formats |
| VHSC | VHS Compact. Small size VHS cassette intended for camcorders. Can be played back in fullsize VHS machines by means of an adapter. |
| VHS | Video Home System i.e. a video recording format intended primarily for domestic use. Analog recording system using helical scanning and 1/2 inch magnetic tape. |
| Vector graphic | A resolution-independent image described by its geometric characteristics rather than by pixels |
| VCR | Video cassette recorder |
| Vanishing Point | A Photoshop feature designed to allow the manipulation of photos within a three-dimensional space |
| USM | Unsharp Mask. A process used to sharpen images |
| Unsharp Mask filter | A filter for increasing apparent sharpness of a digital image |
| Unsharp Mask | See USM |
| Umatic | Sony analog videocassette recording system using helical scanning and 3/4 inch magnetic tape. First appeared mid 1970s. Once favored by industrial training departments, drama schools, etc. but now largely obsolete. |