Storing the Image
Once the imaging sensor has recorded the scene projected by the lens, the camera processes the information gathered by each pixel. It performs a variety of tasks to optimize the image based on the current camera settings. This information then needs to be stored for future use. That means the data must be put on a digital card and written in a file format that can be opened later for editing and printing.
A digital camera stores each picture on a digital media card. This can be thought of as replacing film in some respects (thus the term digital film), but there are also important differences. As mentioned earlier in this chapter, film does the job of capturing and storing the image—while digital photography divides ...