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DC II - Unit 2
Digital Imaging Unit 2 - Photography
| Term | Definition |
|---|---|
| Aperture | device that controls the quantity of light that passes through the lens |
| Card Readers | input device that reads memory cards |
| Close Up | framing technique that captures the head and shoulders of the subject |
| Digital Zoom | zoom takes a portion of the image and enlarges it electronically; the image quality is reduced since digital zoom enlarges the same set of pixels without adding detail |
| Extreme Close Up | a framing technique that cuts off top of head and chin of subject |
| Flash | a device used in photography producing a flash of artificial light |
| Image Stabilization | vibration reduction and anti-shake |
| Internal Memory | built-in memory |
| LCD Screens | allows user to see what the image will look like |
| Long Shot | a framing technique used to capture the environment and full body of subject |
| Macro Zoom | zoom that allows you to take extreme close-ups |
| Megapixel | one million pixels; describes the size of images captured by a camera |
| Memory Card | removable storage device used in digital cameras; such as SD cards, compact flash cards |
| Mid Shot | a framing technique that captures subject from the waist up |
| Mode Dial | used to change camera functions |
| Preview Mode | used to review images taken |
| Optical Zoom | zoom that physically increases the length of the lens, essentially creating a magnifying glass; produces a higher-quality image |
| RAW | a camera file format that acts like a negative, allowing you to make significant changes to the original image |
| Resolution | the quality or sharpness of an image; usually measured in pixels per inch; the more pixels, the higher the resolution |
| Rule of Thirds | divides the frame into 9 sections; points of interest should occur at 1/3 or 2/3 |
| Shutter Speed | the amount of time that the shutter is open |
| Tripod | a three-legged object used as support for a camera |
| Universal Serial Bus Cable | used to transfer images from a camera to a computer |
| White Balance | a feature on digital cameras used to accurately balance color |