This translates into a slower shutter speed. Because of that, the shutter has to stay open a little longer. a l ow aperture (high f/stop) means less light is entering the lens.Because of that, the shutter doesn't have to stay open as long to make a correctly exposed image, which translates into a faster shutter speed. a wide aperture (low f/stop) means more light is entering the lens.In essence, the shutter speed helps the aperture regulate the exposure, but when you’re photographing moving objects you need to make sure that you’re using higher shutter speed to prevent a blurry image. Although the exposure will be similar, the look and feel of your image can be completely different. Using a wide aperture (low f-number or f/stop) in combination with a fast shutter can provide the same exposure (amount of light that reaches the camera sensor) than using a narrow aperture (high f/stop) with slow shutter speed. The effect of Aperture on Shutter SpeedĪperture is significantly related to the Shutter Speed. If you understand the relationship between these elements, you will gain more control of the images you want to capture. When you increase the exposure for one of these three elements, you need to reduce it for one or both of the other pillars to maintain the same exposure. The other two pillars are the Shutter Speed and ISO. The higher the aperture number of f/stop, the smaller the lens opening, the sharper the background because of the greater depth of field.Īperture is one of the three pillars of the so-called exposure triangle the three settings that give you control over the exposure, the amount of light that hits the camera sensor to record an image.The lower the aperture number or f/stop, the larger the lens opening, the blurrier the background because of the less depth of field.The relation of aperture and Depth of FieldĪ very simple explanation of Depth of Field is how blurry or sharp the background is of the subject you focus on. To learn and see the differences in f/stops I would advise to experiment with different f/stops. A higher aperture is better for a high-light scenario while a lower aperture is better for low light scenarios. Examples of f/stops are: f/1.4, f/1.8, f/2.8, f/3.5, f/5.6, f/8, f/11, f/16, f/22.Ī higher aperture number (f/22) means less light is entering the camera because of the smaller lens opening (apertures) and a lower aperture number (f/2.8) means more light is entering the camera because of the larger apertures. The aperture is expressed in F-numbers or f/stops. The 'f' stands for the ratio of the focal length (focal stop) of the lens. In photography terms, this is called the Depth of Field. The size of the opening in the camera lens helps control the exposure or amount of light passing through the lens onto the image sensor.Īpart from controlling how light or dark an image is (the exposure), aperture also gives you control over how much of the image is in focus and how much of the background is blurry. What is Aperture in photography and how does it work?Īperture refers to the adjustable opening in a camera lens diaphragm.
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