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Word Count: 513
Photography has been around for over 160 years During that time period it has becomethe most common form of image making As the means of visual communication it isindispensable As an art form it offers opportunities which differ greatly from paintingand other picture-making techniques that rely on manual and visual skillsThe world first learned how to make photographs in 1839 In that year two basicprocesses were made public the Daguerreotype and the Calotype Both came into beingto satisfy the needs for a way to make pictures easily quickly and accurately withoutSome of the early cameras were actually rooms in which one wall contained alens Danielo Earbaro an Italian living in 1568 tells us to hold a piece of white paperabout a foot away from the lens There on the paper he says you will see the wholeview as it really is with its distances its colon and shadow and motion the clouds thewater twinkling the birds flying By holding the paper steady you can trace the wholeperspective with a pen shade it and delicately color it from natureIt was awkward to transport such big cameras and by 1800 a more portablecamera was in general use Constructed like a box with a lens at one end and atranslucent screen of ground glass at the other which caught the image so it could be seenfrom the outside they were almost identical to view cameras in use today Their purposewas the same to form an image which could be recorded Photography is nothing morethan a record of the camera image made by chemical means with an accuracy and speedThe first attempt to capture the image off the camera chemically was made byTom Wedgwood 1711-1805 son of the famous English potter White paper or whiteleather he said in 1802 moistened with solution of nitrate of silver undergoes nochange when kept in a dark place but on being exposed to the daylight it speedilychanges color and after passing through different
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