Exposure, Aperture, Shutter

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    16-Jan-2015
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Transcript of Exposure, Aperture, Shutter

  • 1. The total amount of light allowed to fall onthe photographic medium during the processof taking a photograph More light = Brighter that area Color Sun vs Moon over beach

2. Controlling exposure We control how muchlight is let in ISO Shutter Aperture 3. Brightness is measuredin Exposure Value EVor f-stops Step up doubling Step down- halving What you see may not bewhat you get 4. Put camera on Back in MANUALMANUAL mode mode Find controls to adjust Same scenes asthe 3 exposure points before, adjust up and Set camera to AUTOdown a few f-stops andnote the difference find various lightingsituations and look Purposely over orthrough viewfinder andunder expose for artistichold down the shutter experimenthalf way to see whatthe camera has set 5. an opening f ratio sequence in Can be adjusted (openstopsor close) to control light 1let in 1.4 Iris and Pupil 2 f ratio 2.8 f2.8 4 f22 5.6 8 11 16 22 32 6. Depth of Field Region of photo thatis in focus Larger the Aperture(small f/#) Smaller the Aperture(large f/#) 7. Wide Depth of Field = Large f/# 8. Narrow Depth of Field = Large f/# 9. Find interesting Find a small objectthings that are atagainst a backgroundmany distances from Adjust aperture toyou.isolate the subject Photography withfrom everything elsedifferent apertures Find a house orand keeping photo landscape and adjustwith correct exposure accordingly to havethe whole photo infocus 10. Fast Freeze motion in time Slow Show motion Longer shutter Ex. Make movingwater look fluffy Long exposure atnight Can capture image indim lighting 11. Shutter- Fast or Slow? Aperture- Big opening or little? Point of view? (worms eye, normal, birds eye) Composition (principle/elements of art) Rule of Thirds? What does the photo say to you? How does itmake you feel? 12. 1 13. 2 14. 3 15. 4 16. 5 17. 6 18. 7 19. 8 20. 9 21. 10 22. 11 23. 12 24. 13 25. 14 26. 15 27. 16 28. 17 29. 18 30. 19 31. 20 32. 21 33. 22 34. 23 35. 24