Downs_C6_A1 - CONTENTS i Photography.2 ii Camera Basics.3...

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C ONTENTS i. Photography ................................................................................................................................... 2 ii. Camera Basics ................................................................................................................................. 3 Digital Cameras ........................................................................................................................................ 3 Pixels .................................................................................................................................................... 3 Aspect Ratio ......................................................................................................................................... 3 White Balance ...................................................................................................................................... 3 1
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P HOTOGRAPHY Photography is defined as the method of picture making based on principles of light, optics, and chemistry. The word “photography” comes from the Greek words photos meaning “light” and graphein meaning “to draw.” The scientist Sir John F. W. Herschel was the first to use the word in 1839. The first fixed image was obtained by Joseph Nicephore Niepce in 1827. At about the same time, Louis Jacques Mande Daguerre was experimenting with methods for capturing an image. Approximately twelve years later, Daguerre was able to reduce the exposure time to less than 30 minutes, ushering in the age of modern photography. Daguerre partnered with Niepce to improve the process Niepce developed to take the first permanent photograph. Daguerre developed an effective method of photography that he named after himself—the daguerreotype. Daguerreotypes were metal sheets on which a positive silver image was affixed. He and Niepce’s son sold the right for the daguerreotype to the French government. William Henry Fox Talbot, a contemporary of Daguerre, was the inventor of the first process using a negative to make multiple prints. Another medium, tintypes, was patented by Hamilton Smith. The
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  • Spring '16
  • Ms. Jennifer Cozart
  • ........., Digital cameras

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