| A | B |
|---|
| 35 mm equivalent | a reference to the digital camera's ability to simulate the 35mm-wide file format |
| aperture | the size of the adjustable opening inside the lense, which determines how much light passes through the lens to strike the image sensor |
| accessories | add-on pieces of equipment for a digital camera that usually must be purchased separately |
| autofocus | the capability of a digital camera to automatically bring the subject of a photograph into sharp focus before capturing the digital image |
| battery | the portable electric power source used to operate a digital camera |
| burst mode | the digital camera feature where the unit captures a set number of photos in a short amount of time |
| CCD (Charged Coupled Device) | is the silicon chip inside the digital camera that records the image |
| cmos sensor | a type of image sensor inside a digital camera consisting of an integrated circuit that records an image |
| compact flash | a type of flash memory card used in digital cameras to store data about images |
| continuous shot mode | also known as burst mode |
| digicam | short for digital camera, it can refer to still images or video |
| digital zoom | the magnification ofa digital image using software inside the digital camera, rather than changing the focal length of the zoom lense to magnify the image |
| SLR (Single Lens Reflex) | a high-end model aimed at intermediate and experienced photographers |
| electronic viewfinder | a tiny LCD at the top and back of the camera that displays the image that will be taken and that the photographer uses to frame the photo |
| flash memory | the storage medium used with digital cameras |
| firewire | the brand name for a serial bus standard that allows high-speed data transfers |
| exposure metering | the digital camera's built-in system that measures the amount of external lighting in a scene and then determines the best automatic settings for the photograph |
| external flash | a piece of add-on equipment that creates an artificial source of intense light tha tcan be added to photos shot with a digital camera |
| ISO | a number used to express the light sensitivity of the digital camera |
| JPEG (Joint Photographic Expert Group) | the most commonly used type of formatting for image files created with a digital camera. It is a form of compression that reduces the file size significantly, allowing you to fit more photos on a memory card |
| LCD (Liquid Crystal Display) | the display technology used to create the screens embedded in the back of nearly all digital cameras |
| megapixel | = to 1 million pixels. A pixel is an individual element of a digital image. The number of these determines the resolution of an image |
| memory card | a small, flat, electronic device that fits inside a digital camera and is used to store data about digital images |
| image sensor | a chip inside a digital camera that records a photo or an image |
| noise | any of a series of unwanted variations that appear in a digital camera photo |
| optical zoom | the magnification of a digital image using physical changes in the focal length of the zoom lens to magnify the image |
| pixel | short for picture element, is the smallest piece of information that makes up a digital image |
| RAW | the file format used with digital photographs that's closest to film-quality, requiring a lot of storage space. The digital camera does not compress or process these files in any way. |
| shutter | the piece inside the digital camera that blocks light from reaching the image sensor until the photographer presses the shutter button |
| resolution | the measurement of the total number of pixels that a digital camera's image sensor can record in one photograph |
| TIFF (Tagged Image File Format) | is a type of formatting used to store digital photo files. This uses only a slight compression to reduce the file size |
| USB (Universal Serial Bus) | the most common standard for connecting a digital camera to a computer for transferral of photographs |
| white balance | the metod by which digital cameras adjust the colors of a scene to accurately represent them |
