Using FILTERS in Digital Photography

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Learn about using filters on your Digital SLR camera; concentrating on the Circular Polarizing Filter.

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Using FILTERS in Digital Photography

  1. 1. Filters in Digital Photography Sandro V Cuccia sandro@ImageMedic.com Sunday, October 3, 2010
  2. 2. Filters for DSLRs ★ UV/Skylight Filter ★ Polarizing Filter ★ Neutral Density Filter ★ Graduated ND Filter 2 Sunday, October 3, 2010
  3. 3. What Size Filter? 3 Sunday, October 3, 2010
  4. 4. What Size Filter? 4 Sunday, October 3, 2010
  5. 5. What Size Filter? 5 Sunday, October 3, 2010
  6. 6. What Size Filter? Step-Up Adapter Rings 6 Sunday, October 3, 2010
  7. 7. What Size Filter? Cokin Filter Kits www.cokin.fr 7 Sunday, October 3, 2010
  8. 8. UV/Skylight Filter ★ Pros? - Lens Protection? ★ Cons? - An “extra” piece of glass 8 Sunday, October 3, 2010
  9. 9. Polarizing Filter Theory 9 Sunday, October 3, 2010
  10. 10. Polarizing Filter I t!! ve e Lo What Does It Do? W hy W ★ Darkens blue skies ★ Reduces or Eliminates Reflections ✴ Water ✴ Foliage ★ Enhances/Saturates Color ★ Provides Light Absorption up to 2 stops 10 Sunday, October 3, 2010
  11. 11. Polarizing Filter Examples 11 Sunday, October 3, 2010
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  23. 23. Polarizing Filter Cannot be simulated in Adobe Photoshop! 23 Sunday, October 3, 2010
  24. 24. Polarizing Filter Caveats ★ CIRCULAR Polarizer - Not Linear! ★ Use Sunlight WB, not AWB ★ Try a shot with -1/2 stop to intensify ★ No effect on overcast days ★ View through viewfinder darker than normal (watch that camera shake!) 24 Sunday, October 3, 2010
  25. 25. Polarizing Filter Caveats ★ Uneven - Don’t Use for Panos! ★ Over-Polarization at High Altitude ★ May need to set focus first for cheaper lenses ★ Vignetting with Wide-Angle Lenses 25 Sunday, October 3, 2010
  26. 26. Polarizing Filter Caveats 26 Sunday, October 3, 2010
  27. 27. Polarizing Filter Caveats Vignetting Problems Don’t Stack Filters! 27 Sunday, October 3, 2010
  28. 28. Polarizing Filter Sources ★ Hoya - www.HoyaFilter.com ★ B&W - www.SchneiderOptics.com ★ Tiffen - www.Tiffen.com ★ HelioPan - www.HelioPan.de ★ Singh-Ray - www.Singh-Ray.com 28 Sunday, October 3, 2010
  29. 29. Neutral Density Filter 29 Sunday, October 3, 2010
  30. 30. Neutral Density Filter What Does It Do? 30 Sunday, October 3, 2010
  31. 31. Neutral Density Filter What Does It Do? 31 Sunday, October 3, 2010
  32. 32. Sunday, October 3, 2010
  33. 33. Graduated ND Filter 33 Sunday, October 3, 2010
  34. 34. Graduated ND Filter What Does It Do? 34 Sunday, October 3, 2010
  35. 35. Graduated ND Filter What Does It Do? 35 Sunday, October 3, 2010
  36. 36. Graduated ND Filter Can be effectively simulated in Adobe Photoshop and Adobe Lightroom 36 Sunday, October 3, 2010
  37. 37. Sources www.Amazon.com B&H Photo - www.BHPhotoVideo.com Camera’s, Etc. - www.CamerasEtc.net 37 Sunday, October 3, 2010
  38. 38. Thank You! Sandro@ImageMedic.com Sunday, October 3, 2010

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