film-Equivalent  Exposures
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film-Equivalent Exposures Presentation Transcript

  • 1. Equivalent Exposures
  • 2. Equivalent Exposures
    • As you know, when you click the shutter release, you are making an exposure
      • You are exposing your film to light
    • You have to find the correct combination of shutter speed and aperture (f-stop)
    • There are several combinations of exposures for each lighting situation-these sets of combinations are called equivalent exposures.
  • 3. Equivalent Exposures
    • For Example:
    • On a sunny day outside you may use your light meter and find an exposure of 1/250 second and f5.6.
    • You can make the same brightness of image by also using 1/125 f8, 1/60 f11…
    • Each combination will give you a different effect.
  • 4. Exposure Equivalents (Shutter)
  • 5. Exposure Equivalents (Aperture)