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How to Expose

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Transcript

  • 1. How to make an Exposure The Trinity and Beyond
  • 2. White Balance
    • AWB-auto white balance
    • Daylight
    • Shade
    • Cloudy
    • Tungsten
    • Flourescent
    • Flash
    • Custom
  • 3.  
  • 4.  
  • 5. The Trinity-Aperture
    • Controls how large the opening is that lets light through to the sensor
    • Called f-stops
    • Full stops
      • 1,1.4, 1.8, 2.0, 2.8, 3.5, 4, 5.6, 8, 11, 16, 22,32
    • Controls depth if field
    • The higher the number the smaller the aperture hole is
    • The higher the number the more depth of field
    • To change the aperture press the AV button while scrolling with the main dial
  • 6.  
  • 7. Depth of Field
  • 8. The Trinity-Shutter Speed
    • Controls how long light passes through to the sensor
    • Change shutter speed with main dial
    • Can be anywhere from 1/4000 second to 1 second to minutes
    • 1/500=one five hundredth of a second
    • 1” = one second
    • Anything under 1/60 will have motion blur from your hands shaking (called camera shake)
    • Bulb setting-shutter stays open as long as you press the button
  • 9. Fast Shutter Speed
  • 10. Slow Shutter Speed
  • 11.  
  • 12. ISO
    • Controls how sensitive your sensor is
    • Runs in multiples
      • 50, 100, 200, 400, 800, 1600, 3200
    • 100-400 for bright light
    • 400-800 for less light
    • 1600 for very dark situations
      • After 800 you begin to have lots of noise
    • Your ISO will affect the choices of aperture and shutter speed available to you
    • A higher ISO will allow you to use faster shutter speed
  • 13. Add all three and you have an Exposure
    • Now we have to combine all three to make our exposure
    • Set your white balance
    • Set your ISO
    • Make choices about aperture and shutter and use your light meter to get the correct exposure
  • 14. Light Meter
    • Measures the light coming into the camera
    • This measurement allows you to choose the correct aperture and shutter speed
    • Press the shutter release half way down to get a light meter reading
    • The goal is to get the blinking bar in the center of the light meter bar
    • Choose a aperture or shutter speed that you want to start with and then then scroll with the other (aperture or shutter speed)until you have the bar in the middle
  • 15.  
  • 16. Underexposed Overexposed
  • 17.  
  • 18.  
  • 19.  
  • 20. Summary of Making an Exposure
    • Set your white balance
    • Set your ISO
    • Choose your shutter speed or aperture
    • Use your light meter to get the corresponding shutter speed or aperture
    • Take the photo and check your LCD to see if it is properly exposed