The word aperture means small hole or gap. In terms of photography the aperture is an adjustable opening used to control how much light gets in to the camera. Light enters the camera through the lens which uses a calibrated scale to determine the maximum and minimum aperture. This scale is written in f/numbers which are sometimes called stops. Sometimes beginners struggle to understand aperture fully. This is because a small aperture is denoted by a big number (such as f32) and a large aperture is denoted by a small number (such as f1.4).
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