| HQ | High-quality |
| Hosepiping | The tendency to make unnecessary movements |
| History Brush | A tool in Photoshop with which a previous state or history can be painted |
| Highlight | Area of subject receiving highest exposure value |
| High Dynamic Range | A picture type that is capable of storing 32 bits per color channel. This produces a photo with a much bigger possible brightness range than found in 16 –or 18-bit per channel photos. Photoshop creates HDR images with the merge to HDR feature |
| HID | High intensity discharge lights |
| Hi8 | Highband Video 8 |
| Headroom | The space between the top of the subject and the top of the picture |
| HDR | High Dynamic Range image |
| Glitch | Video noise appearing on the TV screen |
| GIGO | Garbage In, Garbage Out |
| Gaussian Blur | A filter used for defocusing a digital image |
| Galleries | A managed collection of images displayed in a conveniently accessible form |
| Gain Control | An electronic control that prevents under or over exposure |
| Full Range Autofocus Lens | A lens that, whilst in autofocus mode, allows focusing from less than a inch to infinity |
| FTP software | File Transfer Protocol software is used for uploading and downloading files over the Internet |
| Frame | The picture area |
| Flying Erase Heads | Spinning magnetic heads that allows you to start then pause then start recording again without causing any video noise, distortion etc. |
| Flat Port | A flat glass or plastic port that fits onto the front of the video housing |
| Eyedropper | A tool to sample color |