Digital Photography - How it works

This section provides a brief overview of how Digital Photography works.  For more detailed information, use the links at the right.

The basic goal of a camera is to capture an image.   Both conventional and digital cameras use lenses to focus the light reflected off an image onto a recording medium.   Whereas conventional cameras used a chemical means (film) to capture that image, digital cameras record the image electronically by means of a light sensor, most often something called a Charge Coupled Device (CCD).

The CCD converts the reflected light into electrons for different portions of the image.  The electrons are converted to binary data through an Analog to Digital Converter and the digital image is born.  For more details on this process, you can read from link below.