How do digital cameras work?

In contrast to a conventional film camera, in a digital camera the light is focused onto an image sensor called a CCD (charge coupled device). The CCD is a collection of light-sensitive photosites that produce an electric charge when struck by light. These charges are converted into numbers that are stored in the memory (usually on a memory chip). From there, the whole image can be displayed, sent to a computer, or even printed directly on a printer. ...

Are manual controls important?

Automatic settings can work for amateur photographers in a majority of cases. However, once a few pictures come out underexposed or blurred with auto settings, the manual controls become necessary. ...

Please visit our FAQs session for more information ...