The Definition Of Digital Camera

317 Words2 Pages
Digital camera is a device that stores images digitally rather than recording them on films. Digital cameras are widespread all over the world and warmly welcome by customers in different countries. Digital camera is considered to be the best successor to the traditional film based camera. This essay is going to define digital cameras by analyzing its features as well as its benefits. Digital camera and conventional camera share the same principles in the basic level. However, they are different in the process of storing pictures. Differing from conventional cameras, digital cameras record pictures by using chips instead of films. Digital cameras record color images as intensities of red, green and blue, which are intermediately stored as charges on a CCD or CMOS sensor chip. The charges are converted into digital format and finally stored in the camera memory. The resolution and storage capacity of a camera are the key specifications. Pictures’ qualities are determined by the resolution of the digital camera. Better picture quality can be obtained provided higher resolution. Memory capacity determines how many pictures can be stored in the camera. The more pictures to be stored, the larger memory capacity is required. Compared with its predecessor conventional cameras, digital cameras hold several distinctive superiorities. Digital camera make taking photo inexpensive and fast because there is no chemical film process involved. For instance, customers can review the taken pictures immediately and can erase those they do not like. In addition, they can cut down a sum of money which is used to buy films. Besides conventional functions, current digital cameras also provide additional functions to enhance its usability. Mp3 player, video recorder and several other functions are added into digital cameras, and make them more attractive than before. In
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