What is ISO and how is it measured? Evaluate what ISO would be best for the following types of photographs and how it will impact each image.

Image #1: An indoor sporting event where the light is low and your subject is moving fast
Image #2: A child blowing out the candles on a birthday cake at an indoor birthday party
Image #3: Portraits in the park on a bright and sunny day

(The acronym ISO standards for International Organization for Standards). In photography, ISO is the measure of the digital sensor's sensitivity to light, the signal gain of the sensor

The camera exposure depends on the settings of the ISO alongside the f/stop, and the camera shutter speed

An increase in ISO increases the brightness of photos and vice versa

The base ISO is about 50 to 100, and ISO values can be set to more than 25,600

Part B

Image #1: The ISO for an indoor sporting event with low light and fast moving subject such that it is difficult to get a clear photo

Except with powerful cameras the ISO should be raised to about 1,600 maximum

Image #2 For a child blowing out candles, due to the low lightening from the candles and being indoor, the ISO should be raised slightly to about 800 without flash, for a clearer image

Image 3# The ISO for an outdoor image on a bright day can be set at the base ISO of between 100 to 400

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