September 13, 2008
Digital Photography
window.document.getElementById(’post-9′).parentNode.className += ‘ adhesive_post’;The art of Photography dates back to the 19th century. Since then there has been tremendous advancements in this field. One of the latest is the invention of the digital camera. In digital photography, photographs are taken digitally and are stored digitally using a computer. Digital photography paved the way for the film to go. Today many companies who traditionally manufactured film and cameras using photographic film have pulled out of the market.
Traditional cameras use film to capture images. These films or negatives have to be chemically processed to get the photograph. This requires studio facilities and uses up a lot of time. The films can not be reused either. Digital photography uses digital technology. An image sensor in the Digital camera captures the images. The sensor consists of silicon chips containing photosensitive diodes. These diodes, called photosites, record the intensity of the light which falls on them and the information is stored digitally as a set of numbers. The images stored in the memory card are downloaded into a computer and the card can be reused. The image is reconstructed on the screen or printed on paper using these numbers to set the brightness […]
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