Digital Camera Terminology

If you want to take digital photography seriously, it is necessary that you know the meaning of some of the more commonly used terms that are associated with digital camera and photography. Knowing these terms will give you a headstart in learning to use your new digital camera as well. So, here are the definitions of some of the common terms.

Automatic Mode — A setting that sets the focus, exposure and white-balance automatically.

Burst Mode or Continuous Capture Mode — a series of pictures taken one after another at quickly timed intervals with one press of the shutter button.

Compression — The process of compacting digital data, images and text by deleting selected information.

Digital Zoom — Cropping and magnifying the center part of an image.

JPEG — The predominant format used for image compression in digital cameras.

Lag Time — The pause between the time the shutter button is pressed and when the camera actually captures the image

LCD — (Liquid-Crystal Display) is a small screen on a digital camera for viewing images.

Lens — A circular and transparent glass or plastic piece that has the function of collecting light and focusing it on the sensor to capture the image.

Megabyte — (MB) Measures 1024 Kilobytes, and refers to the amount of information in a file, or how much information can be contained on a Memory Card, Hard Drive or Disk.

Pixels — Tiny units of color that make up digital pictures. Pixels also measure digital resolution. One million pixels adds up to one mega-pixel.

RGB — Refers to Red, Green, Blue colors used on computers to create all other colors.

Resolution — Camera resolution describes the number of pixels used to create the image, which determines the amount of detail a camera can capture. The more pixels a camera has the more detail it can register and the larger the picture can be printed.

Storage Card — The removable storage device which holds images taken with the camera, comparable to film, but much smaller. Also called a digital camera memory card.

Viewfinder — The optical "window" to look through to compose the scene.

White Balance — White balancing adjusts the camera to compensate for the type of light (daylight, fluorescent, incandescent, etc.,) or lighting conditions in the scene so it will look normal to the human eye.

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