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What is aif on the canon 9g one shot camer - Canon Cameras

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John McPherson

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It is one of the autofocus schemes Canon uses. If you did get the manual, P121 discusses how to set the size.

They do not officially define it other than as one of the auto focus modes between "face detect" and "Center" focus. Center focus is just that- a single focus beam down the center of the lens. The AiAF is a larger target area, and essntially each of the 9 blocks you see when you set your camera is a location where a focus beam will be.

It is a part of the fuzzy logic of the camera that uses the light metering strategies as the framework for the focusing strategies for lack of a better description. So maybe a better pnemonic would be "Activity in Auto Focus."

Posted on Dec 27, 2011

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