![]() On a cheaper zoom lens the minimum aperture available changes as you increase the focal length (as you zoom). On cheaper zoom lenses the smallest aperture might be f/3.5, whereas on a more expensive lens or a fixed lens it might be as low as f/1.2. To get a blurred background you set a low f/number.Įach lens has a minimum f/number. To set the Aperture you choose A or Av on your mode dial. A big hole is a low f/number.Ī small hole makes the picture in focus from foreground to background i.e. The size of the hole is measured in f/numbers e.g. from around f/1.2 to around f/32.Ī big hole makes the background blurred i.e. The Aperture is the size of the hole in the lens, when you press the shutter button. With the help of a family of meerkats we’re going to look at all 3 and hopefully it should be “simples”! Today it’s the turn of the Aperture. There are 3 things that determine how blurred the background is in photographs Landscape photographers often want to achieve a wide depth of field, whereas portrait photographers often want to use a narrow depth of field to make their subject stand out. If only a certain point is in focus and the background* is blurred, this is known as a narrow depth of field. If it is all in focus the picture has a wide depth of field. The blurred background in photos actually has a correct name – Depth of Field. How much of the photograph is in focus from the foreground to the background. How to get blurred backgrounds in photos is high on the list for people who want to take better images and it’s one of the things that distinguishes good pictures from snapshots. It can be easy to achieve but if you really want to understand what you are doing and how to control the amount of blur, you should read on.
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