Technology / Digital Cameras Glossary

16:9 Widescreen Photo Mode: Many digital cameras offer this mode to let you take photos that have the same shape as a 16:9 aspect ratio widescreen TV. This size is ideal if you plan on showing your pictures on your hig . . . View Full Definition

35mm Equivalent: Focal length is a measure of the distance (in millimeters) from the optical center of a camera's lens to its focal point, which is located on the image sensor. Because digital cameras' focal . . . View Full Definition

A-V Outputs: Video or audio/video outputs are found on most digital cameras; they let you send an image to a TV for easier viewing. An A/V output will also let you send sound (if your camera has that cap . . . View Full Definition

Ambient Light: The natural light in a scene.

Analogue Digital Converter (ADC): Analogue to Digital Converter, this takes the analogue output and is able to turn it into digital format so that it can be manipulated and altered by the DSP.

Aperture: A small, circular opening inside the lens that can change in diameter to control the amount of light reaching the camera's sensor as a picture is taken. The aperture diameter is expressed in . . . View Full Definition

Aperture Priority Mode: The Aperture Priority mode can be found in most DSLR and SLR-like cameras and even some compact Digital Camera models. When using the Aperture Priority mode, the camera allows manual setting . . . View Full Definition

Aperturethe: Opening in the lens that allows light in to expose the image.

Application: A computer program, such as an image editor or image browser.

Archival: The ability of a material, including some printing papers and compact discs, to last for many years.

Artifacts: Distortions of the image often caused by noises or heavy handed use.

Auto Focus: All Digital Cameras feature the Auto Focus (AF) function. In AF mode a Digital Camera automatically focuses on the subject in the center of the image area. However, more and more Digital Cam . . . View Full Definition

Batteries: The power source for the camera's electronic features.

Brightness Controls: Adjustments on an LCD to make it more readable in bright light.

Buffer: Memory in the camera that stores digital photos before they are written to the memory card.

Burning: Selectively darkening part of a photo with an image editing program.

Burst Mode: Continuous mode, often called burst mode, lets you press and hold a camera's shutter button to capture a series of shots in rapid succession. This mode is great for recording action scenes, . . . View Full Definition

Camera Bag: A protective padded back for the camera and accessories.

Card Reader: A small USB device that reads image files into the computer.

CCD Technology: With cameras with this technology it acts like a enhancer it uses the technology to enable images of a higher pixel resolution. Instead of the light-sensitive elements in standard CCD, it us . . . View Full Definition

CD-R: CD-Recordable: a compact disc that holds either 650 or 700 MB of digital information, including digital photos. Creating one is commonly referred to as burning a CD. A CD-R disc can only be . . . View Full Definition

CD-RW: CD-Rewritable: similar in virtually all respects to a CD-R, except that a CD-RW disc can be written and erased many times. This makes them best suited to many backup tasks, but not for long . . . View Full Definition

CDROM: A type of storage medium for digital cameras.

Center-Weighted Averaging: Light metering that averages the exposure from the entire image with emphasis on the center zone.

Charge Coupled Device (CCD): One of the two main types of image sensors used in digital cameras. When a picture is taken, the CCD is struck by light coming through the camera's lens. Each of the thousands or millions of . . . View Full Definition

Page: 1 2 3 4 5 6