READ: ISO
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Example of ISO 100
I did senior pictures for my other cousin. It was a bright cloudy day, so plenty of light. I was able to leave my ISO at my camera's lowest ISO setting, in this case, ISO 100. The pictures were great quality because I shot at ISO 100 all day. Here is an example followed by a close up:
See how the close up has none of the graininess that the ISO 1600 images have?
See how the close up has none of the graininess that the ISO 1600 images have?