2/11/20232 min read

Aperture is the first concept of the photography exposure basics. The aperture works like our pupils; its the opening of the camera lens, which controls the amount of light that goes through the lens to the camera sensor.The max. and min. Aperture of the lens is defined by a value known as f- stop. The larger the f-stop number is, the smaller/narrower the aperture, and vice versa. This number follows a sequence like this:

Aperture effects in photography1.Aperture and exposure: the wider the aperture the brighter your image will be2.Aperture and depth of field: the depth of field is the proportion of the image that is reasonably sharp and in focus.The larger the aperture you use, the shallower depth of field you’ll be able to capture, meaning that more areas of your images will be out of focus and less sharp. Conversely, the smaller the aperture you use, the greater the depth of field you’ll see in your image, meaning a larger proportion of the image will be in focus.3.Aperture and sharpness:When you use a large aperture, your lens cant physically produce the sharpest results, and as you open your aperture below f/5.6 values, you’ll be able to notice how your image loses the same thing happens when you set a very small aperture. In that case, there is a phenomenon called diffraction, which causes less sharpness when you start closing the aperture above f/16 values.In the following infographic, you can see all the main aperture effects in photography:

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Savio Xavier Pereira
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