The document discusses depth of field in photography. It explains that depth of field refers to the amount of the image that is in focus, and is primarily controlled by the aperture setting. A large aperture creates a shallow depth of field that blurs background details, while a small aperture produces a deeper depth of field keeping more of the image in focus. Factors like aperture, focal length, and distance to subject influence depth of field and how it can be optimized for different photographic effects and restored in post-production.

1. Introduction Depth of Field.
The focus is one of the most important elements of successful photography and also for 3D
configurators. There is no point in taking a breathtaking scene if the subject is not sharply focused.
Once you have mastered the basics of focusing on your subject, depth of field control is the next
step to open up a whole new world with a host of additional possibilities.
The depth of field refers to the amount of the image that is in an acceptable level of sharpness and
depends primarily on the aperture setting. As a creative tool, it allows the photographer to
“manipulate” the frame so that elements become more or less visible than they would otherwise
appear in reality. A large aperture, for example, ensures a shallow depth of field, i.e. a very small
focal plane and thus a small image section. This can be useful for blurring background details or
unwanted areas away from the subject or focus – e.g. in sports or action photography. In contrast, a
small aperture provides a deeper depth of field that keeps more of the image in focus. This is useful
for keeping most, if not all, images in focus, such as in landscape photography.
So what factors influence your control over depth of field, how can it be optimally used and
restored in post-production? Let’s take a look at it….
Why it works.
As you can see in the picture above, it is possible to create a shallow depth of field with the correct
gear and aperture selection. In this case, the image changes from ordinary to something quite
different, quite sublime. Details are displayed in the focus areas where the focal plane passes
through these depth areas, although this detail quickly drops off from both sides and creates a
pleasant neutral background.
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