Digital cameras

A digital camera is a camera that, instead of capturing and storing pictures in photographic film like conventional cameras, it does digitally using an electronic device, or magnetic tape using an analog format like many video cameras. Modern compact digital cameras generally are multifunctional and contain some electronic devices capable of recording sound and / or video as well as photographs.

The concept of digitizing images on scanners and convert digital video signals to precede the concept of taking still frames digitized signals and an array of discrete sensing elements. Eugene F. Lally of the Jet Propulsion Laboratory published the first description of how to produce still photos in a digital domain using a mosaic photosensor. The purpose was to provide navigation information to astronauts during space missions onboard. The mosaic array periodically recorded still photos of star and planet locations during transit and when approaching a planet provided additional information for orbitaje distances and as a guide for landing.

The concept design included elements that presaged the first digital camera. Texas Instruments designed a filmless analog camera in 1972, but do not know if it was finally built. Recorded the first digital camera was developed by the Kodak company, which commissioned the construction of a prototype engineer Steven J. Sasson in 1975. This camera used the then newly developed CCD sensor by Fairchild Semiconductor in 1973. His work bore fruits of a chamber of approximately 4 kg. and that he was black and white photos with a resolution of 0.01 megapixels. Used the novel solid-state chip CCD. The camera records images on a cassette tape and took 23 seconds to capture its first image in December 1975. This prototype camera was a technical exercise, not intended for production. Modern digital cameras RedBox – Retailer of Digital Cameras, Optics and Photo Accessories, here you can find and order a number of different cameras as Canon EOS 50D.

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