Q:

What does ISO stand for in photography?

A:

Quick Answer

IOS stands for "International Organization of Standardization." This organization sets the standards for photography, so ISO settings are based on those standards.

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Full Answer

ISO settings refer to how much light the camera captures. With film, it refers to how much light the film would capture, while with a digital camera, it refers to how sensitive the image sensor is. A lower ISO setting captures less light, while a higher ISO setting captures more light. Higher ISOs can help capture images when there is less light. However, higher settings also makes photos grainier, which can result in a loss of quality in the image.

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