There are four variables that affect the depth of field. This avoids making parts of the image out of focus which might undermine the quality of the photo as a whole. Everything is sharp, whether it is just in front of the lens or on the horizon.Ī deep depth of field can be useful where you have a number of subjects that are all different distances from the camera and each of them needs to be in focus. This can help to direct a viewer’s attention and prevent other parts of the scene from being distracting.Īt the other extreme is a deep depth of field where the photographer maximises the region that is in focus, both in front of and behind the subject. Anything in front or behind the subject quickly becomes blurry.Ī shallow depth of field can be a way of creating images with a cinematic feel where a sharp subject is separated from a blurry background. Photographers are often trying to achieve one of two extremes: a shallow (or narrow) depth of field, or a deep (or wide) depth of field.Ī shallow depth of field (‘shallow DOF’) produces images where there is very little in focus other than the subject.
#F STOP DEPTH OF FIELD FULL#
The full extent of this range is your depth of field.Īs will be discussed below, this depth of field can vary according to a number of variables such as how close you are to your subject, the size of your aperture, the focal length of the lens that you are using, and the size of the sensor in the camera which you are shooting on (although these last two quickly get complicated!). In addition to this, there will be a region in front of and behind the subject that is acceptably sharp.
Everything that is the same distance away from your lens as your subject is now on the same focal plane. If you imagine yourself focusing on your subject. “In focus” is a relative term and given how easily how parts of an image can slide from being sharp to being blurry, what you might class as being “in focus” might vary according to how you are viewing an image - i.e., how big it is being displayed, and how close you are to it.īecause of this, the depth of field can be thought of as being a range of acceptable focus. In photography, the term depth of field describes the region of a photograph that is in focus.
So grab a copy of this f-stop chart and follow along to improve your photography by mastering DOF.
#F STOP DEPTH OF FIELD HOW TO#
This guide will help you to understand how to achieve both of these results, but more importantly, give you a solid foundation for how to use depth of field in every aspect of your photography.Īll of the common questions about depth of field asked by photographers will be addressed and although this can be a highly complex subject, we’ll aim to make it as digestible as possible. Or do you want to make your image feel more cinematic, isolating your subject by making it stand out against a blurry background? Depth of field is one of the fundamental aspects that every photographer should understand as it has such a large bearing on your images.ĭepth of field determines how much of your image is sharp, giving you control - whether for creative or practical reasons - over which elements are in focus.ĭo you want to ensure that all of your photograph is crisp, from the foreground to the background, to ensure that there are no blurry parts that distract the viewer?
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