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Digital Photography

Digital Photography. ISO. Light Sensitivity. What ISO denotes is how sensitive the image sensor is to the amount of light present. The higher the ISO, the more sensitive the image sensor and therefore the possibility to take pictures in low-light situations.

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Digital Photography

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  1. DigitalPhotography

  2. ISO Light Sensitivity

  3. What ISO denotes is how sensitive the image sensor is to the amount of light present. The higher the ISO, the more sensitive the image sensor and therefore the possibility to take pictures in low-light situations. http://www.photoxels.com/tutorial_iso.html

  4. However, all this increase in sensitivity does not come free. There is a price to pay with your image appearing more noisy.

  5. An image sensor is usually calibrated so that it gives the best image quality (greatest S/N ratio) at its lowest possible ISO speed. For most consumer digital cameras, this value will be expressed as ISO 50, ISO 64 or ISO 100. A few digital cameras use ISO 200 as their lowest ISO speed.

  6. Optimum Camera Settings

  7. Quality

  8. Compression

  9. Lossy Compression(Destructive)

  10. Control Freak?

  11. RAW

  12. What size should you make your images?

  13. It Depends!

  14. Web Small size: 640 x 480 DPI: 72 – 96 Colorspace: sRGB Photos: JPEG

  15. Powerpoint Size: 1024 x 768 DPI: 144 Colorspace: sRGB Photos: JPEG

  16. Newspaper Largest size Colorspace: Adobe1998 Include caption information

  17. Organization

  18. Store all images in one main folder on you computer 2008_photo_archives_sp

  19. Name folders with date 20080123central_ext_job 20080131east_ext_job 20080204west_ext_job

  20. Name all files the same way 20080123central_ext001 20080123central_ext002 20080123central_ext003

  21. 2008_photo_archives_sp • 20080123central_ext_job • 20080123central_ext001 • 20080123central_ext002 • 20080123central_ext003

  22. Archives

  23. Always have a backup • External harddrive • Network with automatic backup • CDs and DVDs are NOT reliable

  24. Photography

  25. Good Composition A pleasing arrangement of objects, mass, lines and contrasts of colors to form a harmonious whole

  26. 3 Essentials of a good photograph • Good Technical Quality • Interest or Impact • Good Composition

  27. Good Technical Quality • No camera movement • Correct body position • Correct focus • Person’s eyes • Selective/depth of field • Lighting • Front, back, side • Exposure

  28. Interest or Impact • Tell a story • Express a mood • Make a pattern

  29. S C U F I Shoot Close Up For Impact

  30. Good Composition • Get closer • Rule of Thirds • Vantage point • Framing movement

  31. Keys to Success • Keep it simple • Try vertical & horizontal • Place subject off-center • Try unusual points of view

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