The further away you move from the focal point, the more blurry it will get. Shallow depth of field means that your subject and the area right around it will be in focus, but things even a short distance away from the camera will start to get blurry. Depth of field is how you tell your camera how much to keep in focus before things start getting blurry.Ī wider aperture (ex: f/1.8, f/2, f/3.5) has a shallow depth of field and less will be in focus. Your camera can only focus on one thing at a time, no matter how many people/things are in the frame. So what does this mean to you? As the photographer, you get to choose how much is in focus in your image, based on how wide you set the aperture.
One thing to clarify is that the blur from depth of field doesn't affect things to the left and right of your subject, only in front and behind your subject. The picture on the right has more depth of field, so you can see sharp details on those tiles, even in the background and foreground. You can even see the difference in the door frame! The picture on the left has a shallow depth of field, and the toys on the floor got blurry pretty quickly. See the differences in the backgrounds of these two images? That's a shallow depth of field versus a large depth of field.īut look at what happens as you move closer and further away as the photographer. What is Depth of Field?Īperture controls the depth of field in your image, or how much is in focus compared to the focus point.ĭepth of field deals with blur. I'm not talking about photos where everything is blurry - I'm talking about emphasizing a focused subject against a blurry background. If you are totally new to aperture, we recommend first reading this post for more explanation about Understanding Aperture & F-stops.
#APERTURE 3.5 DEPTH OF FIELD HOW TO#
This post is going to help you see the creative consequences of different aperture settings and how to choose settings for different situations. There is also a creative effect:Īperture also affects depth of field, giving you a blurry background or keeping the details visibly sharp. However, controlling the image brightness is only the technical effect of your aperture setting. Small/narrow apertures have higher f-numbers like f/11, f/16, or f/22.
So large apertures have low f-numbers like f/1.8, f/2, or f/4. The tricky thing to remember is that f-stops are written as fractions, so they are inversely related to the size of the aperture opening. We use f-numbers or f-stops to measure aperture sizes. The larger your aperture, the more light you are letting into your picture. Depending on how the blades shift in and out, the circumference of that hole changes incrementally. To review, your camera's aperture is a hole that lets light through your lens and into your camera sensor to create an image. This post will help you understand how aperture & f-stops relate to depth of field so you can get the pictures you want! Want a beautiful, blurry background in your photos? Aperture is one of the main elements that affects the depth of field, or how blurry your background looks.
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