Flash is a useful source of artificial light in photography. In early days of photography, when there was no electricity the photographers used powdered magnesium, which they used to burn to produce a ‘flash of light’! Unless you’re a professional photographer, the chances are good that the camera you’re using...
A lens is probably the most important element in a camera, because the image quality is greatly affected by the quality of the lens. Compact cameras have fixed lenses, however SLR cameras use interchangeable lenses. Different types of lenses are available for various applications. These lenses are used for photographing...