Q:

What does ISO mean for digital cameras?

A:

Quick Answer

ISO stands for International Standards Organization and is used in reference the industry standard for the sensitivity of the light aperture in a digital camera. This term was first used in standard non-digital cameras for the same thing, except it applied to the film, not the camera.

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Full Answer

In the case of ISO, unlike some other measurements, the lower the number the finer and more crisp your shot is going to be. A higher number ISO will cause the shot to come out less clear and more grainy. There are times that someone might want the higher numbers, however, such as if a subject is moving or not as well lit as it should be.

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