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Iso explained   using your digital camera 2013
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Iso explained using your digital camera 2013

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  • 1. WHAT IS ISO? How sensitive the image sensor on the camera is to light The lower the ISO the less sensitive your camera is to light and the finer the grain Higher ISO is used in darker situations (low light) but can cause “noisy” or “grainy” shots Comparison Example - http://digital-photography-school.com/wp- content/uploads/old/iso-1.jpg
  • 2. QUESTIONS TO ASK YOURSELF Light Is the subject well lit? Grain So I want a grainy shot or one without noise Tripod Am I using a tripod? Moving Subject Is my subject moving or stationary
  • 3. LOW OR HIGH? Use Low ISO if: If there is plenty of light, I want little grain, I’m using a tripod and my subject is stationary I will generally use a pretty low ISO rating. Use High ISO if: If it’s dark, I purposely want grain, I don’t have a tripod and/or my subject is moving I might consider increasing the ISO as it will enable me to shoot with a faster shutter speed and still expose the shot well. Remember – Higher ISO’s can produce grainy or noisy shots
  • 4. PARTICULAR SITUATIONS TO INCREASE ISO Indoor Sports When there is lower light and your subject is moving Concerts Lower light and no flash allowed Art Galleries, Churches, etc. Rules against flash and usually not well lit Birthday Parties Blowing out the candles in a dark room can give you a nice moody shot which would be ruined by a bright flash. Increasing the ISO can help capture the scene.
  • 5. REFERENCEMost of the information for this PowerPoint was taken from:Rowse, Darren. "ISO Settings in Digital Photography." Digital Photography School. Digital Photography School, n.d. Web. 31 Jan. 2013. <http://digital-photography-school.com/ iso-settings>