1. The Basics:
The basics of digital photography
reduced to 3 simple sentences...
Digital cameras store images as binary data on a memory card.
▪ A light-sensitive sensor in the camera records the image coming
in from the lens, and then converts the data into a format that computers can
▪ This information is translated into pixels (short for picture
The pixel is the basic component of a digital image. A pixel is
merely a colored dot value. When these colored dots are placed in
a specific order, they create an image. The process is essentially
"paint by numbers" on a very tiny scale.
Zooming into the selected area reveals that the entire image is
the product of colored dots, called pixels, grouped in a specific