DSLR Cameras and Lenses PPT

  • Prime lens = one focal length
  • Zoom lenses= variable focal length
  • We see in 50 mm focal length.
  • Metaphors to understand how exposure is determined: window, garden hose, tanning.
  • High ISO value means the sensor will be more sensitive to light
  • More available light = lower ISO
  • Less available light = higher ISO
  • Use lowest ISO to avoid grain/noise
  • Shutter speed is how long the shutter is open
  • The shutter in a camera is half a circle
  • Your shutter speed should be double your frame
  • Camera shake occurs with a shutter speed lower than 1/ of a second
  • Aperture is also known as the f-stop
  • Smaller number represents a larger opening
  • Longer lenses appear to have a shallower depth of field
  • Tv is Shutter speed priority
  • Av is aperture priority
  • A-dep is automatic depth of field
  • White balance is a camera setting that adjusts how colors look
  • Most cameras have presets

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