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  • Writer: Nicole Pollard
    Nicole Pollard
  • 13 hours ago
  • 2 min read

EFFECTS OF APERTURE: EXPOSURE


Aperture has several effects on your photographs. One of the most important is the brightness, or exposure, of your images. As aperture changes in size, it alters the overall amount of light that reaches your camera sensor – and therefore the brightness of your image. A large aperture (a wide opening) will pass a lot of light, resulting in a brighter photograph. A small aperture does just the opposite, making a photo darker. Take a look at the illustration below to see how aperture affects exposure



EFFECTS OF APERTURE: DEPTH OF FIELD


The other critical effect of aperture is something known as depth of field. Depth of field is the amount of your photograph that appears sharp from front to back. Some images have a “thin” or “shallow” depth of field, where the background is completely out of focus. Other images have a “large” or “deep” depth of field, where both the foreground and background are sharp.



WHAT IS AN F-STOP or F-NUMBER?


So far, we have only discussed aperture in general terms like large and small. However, every aperture can also be expressed as a number known as an “f-number” or an “f-stop.” Whenever you see an aperture value, the letter “f” will appear before the number, like f/8.


Most likely, you have noticed this on your camera before. On your LCD screen or viewfinder, your aperture will look something like this: f/2, f/3.5, f/8, and so on. Some cameras omit the slash and write f-stops like this: f2, f3.5, f8, and so on. For example, the camera on the side is set to an aperture of f/8.


  1. Sustainable Garden/Shallow Depth of Field

    Take 3 photographs demonstrating shallow depth of field, and 3 photos demonstrating deep depth of field.

  2. Object of Importance Project

    https://docs.google.com/presentation/d/19Qal6mH-ZAOnbVoSCdzytnyolqv2trCnoNWckalpabI/edit?usp=sharing






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