Session 5 Shutter Speed (Basic Photography Class)

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Shutter Speed Lecture

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Session 5 Shutter Speed (Basic Photography Class)

  1. 1. SPEED MATTERS Basic Photography Class Mass Communication Department Ateneo de Davao University Bong S. Eliab
  2. 2. What is a shutter speed? §  shutter speed is the time for which the shutter is held open during the taking of a photograph to allow light to reach the film (on analog cameras) or image sensor (on digital cameras)
  3. 3. Regulates Light §  In combination with variation of the lens aperture, the shutter speed regulates how much light the camera will record.
  4. 4. Shutter Speed & Aperture §  For a given exposure, a fast shutter speed demands a larger aperture or more light to avoid underexposure, just as a slow shutter speed is offset by a very small aperture to avoid over-exposure. §  Long shutter speeds are often used in low light conditions, such as at night.
  5. 5. Shutter Speed and Aperture
  6. 6. Iris Shutter Mechanism
  7. 7. Plate Mechanism
  8. 8. dSLRs Mechanism
  9. 9. Where to find the shutter speed dials
  10. 10. dSLRs LCD Display
  11. 11. Freeze Action vs. Capture Motion §  Two main issues: §  Freeze the subject or the camera movement, or both; §  Capture the subject’s motion, or camera shake, or both.
  12. 12. Speed Difference §  Shot at 1/15th of a second using a tripod (see how the water makes long soft streaks) §  Shot at 1/250th (even at this slow speed already it freezes the drops in the air)
  13. 13. Freezing Movement §  High shutter speeds 'freeze' the subject’s movement as the subject has little time to move during the exposure. Blue Eagle Gym © Circa 1992
  14. 14. Capturing Moving Colors A photo of dark street at night (exposure time 20 seconds)
  15. 15. Panning/ Slow Shutter Speed Slow shutter speed combined with panning the camera can achieve a motion blur for moving objects.
  16. 16. Camera Shake §  Slow shutter speed can result in 'camera shake', caused by the photographer’s inability to hold the camera still. §  Generally, shooting at less than 1/60th of a second may result in camera shake. To avoid this, a tripod can be used.
  17. 17. Handheld Rule and Blur To avoid motion blurring, the shutter speed (in sec. ) should equal the reciprocal of the chosen focal length (in mm), i.e. 1/60sec for 60mm.
  18. 18. Bulb Shutter Speed
  19. 19. Remote Controls
  20. 20. Shutter Speed Speed Remarks 1 1 second, very slow, tripod needed 2 1/2th of a second, tripod needed 4 1/4th of a second, tripod needed 8 1/8th of a second, tripod needed 15 1/15 of a second, tripod/very steady hand needed 30 1/30th of a second, tripod /very steady hand needed 60 Slowest shutter speed that can be handheld with 50 mm lens
  21. 21. Shutter Speed Speed Remarks 125 1/125, generally handheld 250 1/250 500 1/500 1000 Very fast, freezes all movement
  22. 22. Shutter Speed Combinations
  23. 23. Motion Effect Nude Photo Exercise © Circa 2005
  24. 24. Sinugba sa Dagat Sparks coming from coals (exposure time 15 seconds)
  25. 25. JP Laurel Hub 24 hrs Richard Amora © Davao City 2007
  26. 26. Rorschach Smoke Test ISO 100, 1/60 sec, f/8
  27. 27. Silky Waterfall
  28. 28. Davao’s Octane Bar Bong S. Eliab © Davao City 2006
  29. 29. Hinubog Driving Manila © Circa 2005
  30. 30. Boracay’s Dancing Candle Bong S. Eliab © Boracay 2007
  31. 31. Sound of Boracay Light Bong S. Eliab © Boracay 2007

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