Adjust your aperture, focal length, and distance from subject to background and you will see first hand how they work together. Play around with your camera settings and practice using subjects/objects in different locations with different backgrounds. This is one of the reasons I love my 200mm lens.Ĭombining Aperture, Distance and Focal LengthĬombining the three factors we've talked about in this tutorial will greatly improve your chances of achieving a wonderful blurred background in your images. Maybe you are in a field of flowers and want your subject sharp, but all of the flowers surrounding your subject blurred out? A long focal length will help blur the background and foreground. But it can also can create gorgeous images when you are looking to have parts of both the foreground AND background blurred. Distance between you and your subjects is important when you are working with busy toddlers, as you can remain stationary and shoot from a distance while they run and play about. Longer focal lengths allow less depth of field, compress the background, and allow you to keep some distance between you and the subject. The more you pull your subject away from the wall while shooting with a wide aperture, the better blur and out of focus background you are going to get.Īnd, of course, wherever you have your focal point set to will be the sharpest part of your image. If your subject is standing against a wall, it doesn’t matter how wide your aperture is, the wall will not be blurred out. Distance Between Subject And BackgroundĪnother key to getting that blurred out background with a shallow depth of field is by increasing the distance between your subject and background. And don't forget, the smaller the number, the shallower your depth of field will be and the less of your image will be in focus.Ģ. To get a very blurred background, start with adjusting your aperture. When you see or hear the term wide aperture, think small numbers. The tricky part is, 1.8 would be considered a large or wide aperture, whereas 22 would be considered a small aperture. They can range anywhere from f/1.8 to f/22. So you need to have an understanding of the exposure triangle to make sure you can keep your exposure correct when working with a wide aperture.Īperture settings are measured in f/stops. If you aren’t familiar with ISO, shutter speed, and aperture and how they work together, I suggest you do some research on the exposure triangle first.Īperture not only affects your depth of field, but it also greatly affects your exposure as well. Wide apertures are lower f/stop numbers such as f/1.8, f/2.2, f/2.8, etc. To achieve a shallow depth of field, you will want to shoot with the widest aperture possible. Now let me show you how these components work to help you achieve a shallow depth of field:
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