Session 5 Shutter Speed (Basic Photography Class)
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Session 5 Shutter Speed (Basic Photography Class)

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Shutter Speed Lecture

Shutter Speed Lecture

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Session 5 Shutter Speed (Basic Photography Class) Session 5 Shutter Speed (Basic Photography Class) Presentation Transcript

  • SPEED MATTERS Basic Photography Class Mass Communication Department Ateneo de Davao University Bong S. Eliab
  • 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)
  • Regulates Light §  In combination with variation of the lens aperture, the shutter speed regulates how much light the camera will record.
  • 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.
  • Shutter Speed and Aperture
  • Iris Shutter Mechanism
  • Plate Mechanism
  • dSLRs Mechanism
  • Where to find the shutter speed dials
  • dSLRs LCD Display
  • 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.
  • 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)
  • 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
  • Capturing Moving Colors A photo of dark street at night (exposure time 20 seconds)
  • Panning/ Slow Shutter Speed Slow shutter speed combined with panning the camera can achieve a motion blur for moving objects.
  • 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.
  • 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.
  • Bulb Shutter Speed
  • Remote Controls
  • 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
  • Shutter Speed Speed Remarks 125 1/125, generally handheld 250 1/250 500 1/500 1000 Very fast, freezes all movement
  • Shutter Speed Combinations
  • Motion Effect Nude Photo Exercise © Circa 2005
  • Sinugba sa Dagat Sparks coming from coals (exposure time 15 seconds)
  • JP Laurel Hub 24 hrs Richard Amora © Davao City 2007
  • Rorschach Smoke Test ISO 100, 1/60 sec, f/8
  • Silky Waterfall
  • Davao’s Octane Bar Bong S. Eliab © Davao City 2006
  • Hinubog Driving Manila © Circa 2005
  • Boracay’s Dancing Candle Bong S. Eliab © Boracay 2007
  • Sound of Boracay Light Bong S. Eliab © Boracay 2007