11th Apr 2005

Digital Cameras. Glossary

ADC

ADC stands for analogue to digital converter. When a picture is taken, the sensor sends analogue signals to the ADC to be converted into digital format. Click on ADC for more information.

AF Assist Lamp

AF is a commonly used abbreviation for Automatic Focus. The AF Assist Lamp is more commonly known as the automatic flash on a digital camera. Click on AF assist lamp for more information.

AF Servo

AF is a commonly used abbreviation for Automatic Focus. This is an uncommon feature to be found on consumer grade digital cameras. It allows the camera to stay focused on a moving subject. Click on AF Servo for more information.

Aperture

The aperture in a camera controls how much light is exposed to the sensor when a picture is taken. Click on aperture for more information.

Buffer

The buffer in a digital cameras works like the RAM in a computer. It stores the picture while the camera prepares it to be written to the memory card. Click on buffers for more information.

Connectivity

Connectivity is the term used to describe how easily your digital camera can be connected to an external device such as a PC or printer to transfer the pictures that have been taken. Click on connectivity for more information.

DPOF

DPOF stands for Digital Print Order Format. DPOF is a small amount of information, which tells the external device, which images are to be printed. Click on DPOF for more information.

EXIF

EXIF is an abbreviation for Exchangeable Image File. EXIF is the type of compression used to reduce the file size of an image, when it is stored in the camera. Click on EXIF for more information.

Exposure

Exposure is the term used to describe the length of time that light is exposed to the sensor when a picture is taken. Click on exposure for more information.

Shutter Speed

Shutter Speed refers to the length of time that the shutter allows light on to the sensor which you take a picture. For example, a shutter speed of 1/500 means that the shutter is open of 1/500 of a second.

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