Camera digital reflex

General standard

A camera digital reflex is a Camera reflex camera mono-objective using a numerical sensor like surfaces sensitive. Indeed, it is an evolutionary apparatus whose aiming is carried out by the objective thanks to a play of mirror . It is the type of the most widespread apparatus in the professional photographs. The objectives of which can lay out this apparatus are interchangeable, this is why all the adjustments and all the types of photographs are possible.

History of photography

In 400 before Jc, Aristote discovers that light of day penetrating by a hole in an obscure part, projects an image reversed on the wall facing has this opening. After several centuries, Léonard de Vinci, described the " camera obscura" as a drafting-machine (1515). In 1568, Daniel Barbaro adds a diaphragm to the apparatus. Towards the end of the 18° century, experiments were undertaken on the recording of the photographic images. At the beginning of the 19°, darkrooms, discovered in 1100, were used like prototype, and were provided with lenses allowing several focal distances. In 1835, the first negative one of the history was carried out. Until 1889, several supports with photography were born, to arrive finally at cellulose a flexible and transparent nitrate film made up. In 1925 the apparatus of format 35mm was marketed in Germany alluring many people. In 1935, the first color films make their appearance. In 1947, Edwin H.land succeeds has to develop the Polaroid camera. Lastly, in 1968, the first reflex cameras with automatic check are born.

List cameras numerical reflex camera Canon EOS

See the page Canon_EOS#Boîtiers numerical

List cameras numerical Leica reflex camera

List cameras numerical Nikon reflex camera

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