#Camera with viewfinder on top movie#
#Camera with viewfinder on top professional#

Digital cameras may allow the exchange of memory module or disk media. Light-sensitivity is provided by some kind of sensor, such as a CCD, connected to some digital data storage device such as flash memory or magnetic disk - such as floppy or hard disk drives. In digital cameras, the light-sensitivity and storage are separate.

#Camera with viewfinder on top professional#

Film cameras may include a film-load/film-advance system very old simpler film cameras as well as big professional studio film cameras must be loaded with a new unexposed film sheet for every exposure. Film combines light sensitivity with image storage. The light-sensitive medium to be exposed to light is contained inside the camera, with the part of medium to be used for the next exposure exactly positioned in the image plane. In the early days of photography exposure times had been so long that cameras needed no other shutter than the lens cover. The four most common types of shutter are guillotine shutter, rotary shutter, leaf shutter and focal plane shutter. The shutter is the mechanism that opens for a specified interval and closes in order to allow light to pass through the lens (or through the hole of a pinhole camera) onto the image recording medium. The lens can be part of the camera, or it is accessory for camera systems with exchangeable lenses. Then the lens is the camera's light opening. Better imaging results are achieved by designing that opening a little larger and mounting a lens into it. In most cases its light opening is positioned opposite to the image plane where the light-sensitive medium is placed for exposure inside the chamber.Ī camera has at least a little round hole (pinhole) to let in light. The camera or 'dark chamber' is basic part of a camera. Some of the early photographic cameras were derived from the wooden box types of the camera obscura. The abbreviated term camera caught on with the spreading of photochemical imaging around 1840. The painter could lay transparent paper onto the screen to draw a sketch. Or the camera was a wooden box with lens and a screen onto which the image was projected. The camera obscura had a lens/mirror optics as light opening, the 'media' in the camera was the painter who traced with his pencil the contours of the image projected onto his white paper sheet. The first permanent photograph of a camera image was made in 1826 by Joseph Nicéphore Niépce using a sliding wooden box camera made by Charles and Vincent Chevalier in Paris.Ĭamera is an abbreviation of camera obscura (Latin for dark chamber), mainly known as a facility for landscape artists in the 18th century. Sensor and memory together are the media.Ĭommon refinements of cameras are lens, focusing facility, diaphragm, automatic shutter, film advance facilities, viewfinder, exposure and distance measuring facilities, and electronic features like LCD displays. Moment and duration of exposure must be controlled by opening a shutter that keeps the hollow space or at least the film completely in darkness when closed.Ī digital camera needs some electronics aboard, the digital image sensor, a power supply, an image processor and an image memory. Before an image is taken the light opening must be directed towards the image subject.Īt this point film cameras and digital cameras must be distinguished. When used it contains some image recording media, fixed in a plane where the incoming light projects an image (image plane). Thus a definition is necessary.Ī camera is a hollow space with a light opening. Camerapedia's topic are photographic cameras.

#Camera with viewfinder on top movie#

For the Japanese magazine titled Camera, see Ars Camera.Ĭamera means room, chamber, camera obscura, photographic camera, movie camera, TV camera or video camera.