Cameras

Cameras We all know cameras and most of us also have at least one camera. These devices are usually used in order to capture images either as still photographs or as sequences of moving images. Commonly cameras work with the light of the visible spectrum or with other portions of the electromagnetic spectrum. So a camera usually consists of some kind of enclosed hollow. This hollow usually has an opening or an aperture at one end for light to enter and it has a recording or viewing surface for capturing the light at the other end. A further important component of a camera is its lens that is positioned in front of the camera’s opening. This component is used to gather the incoming light and to focus the image or the part of the image on the recording surface. In ge View the rest of this article