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Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
Digital Photography Manual Exposure Controls
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Digital Photography Manual Exposure Controls

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Transcript

  • 1. The Magic of Digital PhotographyTAKING PICTURES USING THE CAMERA’S MANUAL SETTINGS
  • 2. Snapping a Picture You adjust the lens of the camera to focus the light bouncing off the subject onto the digital sensor. When you press the shutter release, the shutter opens for the amount of time you’ve set, allowing the light to hit the digital sensor.
  • 3. The Exposure Triangle ISOShutter Aperture Speed
  • 4. ISO Speed (ISO)ISO speed refers to howsensitive the digital sensoris to light.A higher number is a“faster” ISO, as it is moresensitive to light than alower number.HOWEVER, there is atradeoff when using fasterISO. Though it allows youto take a picture with lesslight, or to more easilycapture motion, the endresult will look grainier.
  • 5. Shutter SpeedShutter speed refers tohow long the shutter isopen when you take apicture.The longer the shutter isopen, the more light thatreaches the digital sensor.A fast shutter speed cancapture action, while ashutter speed slower than1/60th of a second willproduce blur if any part ofyour subject is moving.
  • 6. Slow Shutter Speed f 22, 1/13th
  • 7. Fast Shutter Speed f 4, 1/1500th
  • 8. Aperture (f-stop)The aperture controls theamount of light passingthrough the camera lens.The size of the openingis measured in f-stops.The smaller the f-stopnumber, the larger theopening.Each f-stop lets in ½ theamount of light as thenumber below it, andtwice as much light asthe number above it. Image courtesy of: http://web.uvic.ca/ail/techniques/phototechniques.html
  • 9. Depth of Field Refers to the amount of picture that is in focus.  Shallow depth of field has a small range of focus  Larger depth of field has a wide range of focus Is determined partly by the aperture setting.  The smaller the aperture, the larger the depth of field.
  • 10. Shallow Depth of Field f 3.2, 1/40th
  • 11. Large Depth of Field f 20, 1/200th, 200 ISO
  • 12. ViewingShutter Speedand AperturePress the shutter buttonhalfway down so that youcan see the current values.
  • 13. Why might the photo beoverexposed?Aperture is opentoo wideShutter is open toolongISO is too fastOR anycombination of theabove Overexposed
  • 14. Why might the photo beunderexposed?Aperture is notopen wide enoughShutter is notopen long enoughISO is too slowOR anycombination ofthe above Underexposed
  • 15. Correct Exposure

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