Last time a talked about the ISO this time I am going to talk about the aperture. The aperture is the size or opening on the lens of your camera that lets light in which is controlled by a diaphragm and set by the controls on the camera. The opening of the diaphragm is measured by the f-stop f/1.4, f/2, f/3 and so on. The higher the f-stop the less light comes in the lower the f-stop the more light comes in. Also with a lower f-stop you are going to get a faster exposure which is good for sporting events and capturing movement with minimal blur. One of the cool things that the aperture can change is the Depth of Field.
Basically the DOF is what is in focus and what is not in focus in front and behind of the subject. A high f-stop will the whole picture into focus but a low f-stop will keep the subject in focus but blur the background. On my next post I will talk about the shutter speed and then discuss how all three (shutter speed, aperture, and ISO) work together.
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