Introductory Lecture on photography

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A lecture series by the Photography Club, BITS-Pilani covering various aspects of photography.

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Introductory Lecture on photography

  1. 1. Parts of a camera <ul><li>Film winder. </li></ul><ul><li>Shutter Speed Dial. </li></ul><ul><li>Flash Hot Shoe. </li></ul><ul><li>Focusing ring. </li></ul><ul><li>Film Rewind Crank. </li></ul><ul><li>Film Speed Dial. </li></ul><ul><li>Flash Synch Socket. </li></ul><ul><li>Lens. </li></ul><ul><li>Depth of Field Preview. </li></ul><ul><li>Self Timer/Exposure Lock. </li></ul><ul><li>Aperture Ring. </li></ul><ul><li>Shutter Release. </li></ul>
  2. 2. Exposure
  3. 4. Shutter Speed The amount of time for which the camera shutter remains open defines the shutter speed.
  4. 5. <ul><li>The shutter serves two purposes: </li></ul><ul><ul><li>Controlling the duration of the exposure: (Low Light or Bright Light) </li></ul></ul><ul><ul><li>Controlling the subject movement: (Fast movement or slow movement) </li></ul></ul>
  5. 6. Under - Exposure
  6. 8. Over - Exposure
  7. 9. <ul><li>High Shutter Speed : </li></ul><ul><li>Shutter open for a very short time. </li></ul><ul><li>Less light comes in. </li></ul><ul><li>Low Shutter Speed : </li></ul><ul><li>Shutter remains open for a longer period. </li></ul><ul><li>More light comes in. </li></ul>Representation of Shutter Speed
  8. 10. <ul><ul><li>Day time : high shutter speed to avoid over exposure. </li></ul></ul><ul><ul><li>Capturing fast moving subjects: high shutter speed. </li></ul></ul><ul><ul><li>Low light conditions : slow shutter speed to allow more light. </li></ul></ul>
  9. 13. Shutter Speed – 14 seconds
  10. 14. Shutter Speed – 30 seconds
  11. 15. Shutter Speed – 13 seconds
  12. 16. <ul><li>Using slow shutter speed to show motion </li></ul>
  13. 19. 1/8 th second
  14. 20. 1/60 th second
  15. 21. Use of tripod In low light conditions, longer shutter speed can result in blur.
  16. 23. APERTURE <ul><li>An aperture of the camera is a hole or an opening through which light is admitted. </li></ul>
  17. 24. f- NUMBER <ul><li>The lens aperture is denoted by the f-SCALE : the ratio of focal length to effective aperture diameter </li></ul>Inversely Proportional
  18. 25. Over Exposed
  19. 26. Correct Exposure
  20. 27. Under Exposure
  21. 28. ISO / ASA The measure of a digital camera sensor’s sensitivity to light. ISO » sensitivity
  22. 30. Bringing it together
  23. 31. f/29 and 0.05 sec
  24. 32. f/3.5 and .005 sec
  25. 33. DEPTH OF FIELD The depth of field is the distance in front of and beyond the subject that appears to be in focus.
  26. 34. High Depth Of Field
  27. 35. Low Depth of Field
  28. 36. Low Depth of Field
  29. 37. Factors affecting DOF
  30. 38. DOF » f - Stop
  31. 39. f/32
  32. 40. f/5
  33. 41. Factors affecting DOF
  34. 42. DOF » Distance of point in focus
  35. 44. DOF » 1 / Focal Length
  36. 46. Composition Rules
  37. 50. Composition Rules Visually interesting.
  38. 51. Rule of thirds
  39. 57. The diagonal rule
  40. 60. Holding a camera?
  41. 66. Photographic Techniques
  42. 67. Macro Photography
  43. 70. Stage Photography
  44. 73. Portrait Photography
  45. 77. The End

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