You need to start with a very fast ISO speed to stop sports
action in dark gymnasiums.
There is a quality difference connected to ISO speed, and there
are some creative factors to be considered, but generally the slower
the ISO speed the smoother the tonal quality of the finished photo.
With digital media the higher ISO speeds translate to more ‘’noise’’.
It’s usually advantageous to use the slowest ISO speed possible to
make a photograph.Outdoors in bright sunlight an ISO of 100 or 2...


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