Wednesday, August 29, 2012

Wikipedia Digital Photography Notes

  • Digital photography can be stored for processing, viewing, and publishing
  • In 1975, Steven Sasson attempted the first digital camera, it was 8 pounds
  • One of the first digital images used was of the Mariner 4 in 1965 by NASA from an expedition to Mars. It was stored on a tape for later use
  • Image sensors read intensity of light, while memory devices store image info on a database
  • Digital cameras have the capability to record sound and video
  • Pixelation, or pixel factors also make digital images distinct
  • Whether they are high end or webcam cameras, they both use storage devices
  • Lens qualilty can deal with resolution, distortion, and dispersion
  • Capture format can consist of pixel count, digital file type (RAW, TIFF, JPEG), and file format
  • Most DSLR have a 4:3 aspect ratio
  • A measure of the comparative increase in linear resolution is the square root of the increase in area resolution
  • Digital and film cameras have a dynamic range or range of luminosity
  • For dynamic range, it can be highlighted with too much light, or too dark with black shadows
  • CompactFlash is the most used SD storage memory card used
  • People participate in phtography for lesiure, posting on the Internet, and as a profession
  • It is more expensive to use and maintain digital cameras than using film (usually)
  • Digital cameras have more accessibility, can send to many other technological holds
  • Using digital photography can save time in adjusting manual settings when they can automatic
  • Sometimes you don't have control over the settings on the digital camera, unlike using old fashion film ones when you can manipulate them in a way that pleases you
  • Digital contain features like digital grain, speed of shutter, image longevity, color reproduction
  • Digital photography has impacted society in culture, news, economy, and even leisure

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