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Canon 80D Experience
6. AUTOFOCUSING
6.1 Using Autofocus
One of the essential steps in taking a successful and sharp photo is controlling where
the camera autofocuses. During Viewfinder shooting, if you allow the camera to
autofocus by automatically choosing the focus point(s) (such as in Auto+ Shooting
Mode or with One-Shot AF mode and Automatic AF Point Selection) it typically focuses
on the closest object. This may or may not be what you want to focus on, so you should
almost always select where the camera focuses by selecting the desired autofocus AF
Point. Or if the situation or subject does not allow you to quickly or easily focus by
selecting a specific point, you can instead decide to select a Zone or Large Zone made
up of several AF Points.
Figure 161 - Alpacas, Lexington, Mass. - Combine precise autofocusing with shallow
depth of field to call attention to the desired subject - here, the near alpaca. Canon 80D,
Shutter speed 1/1000, Aperture f/4.0, ISO 100, Exposure Compensation +2/3.
By selecting an AF Point (or Zone), you are telling the camera exactly where to
autofocus (in One-Shot AF mode) or where to look to find a moving subject to start
tracking (when working in AI Servo AF mode). For example, you often want to focus on
a subject's closest eye, but if you allow the camera to choose the autofocus point itself,
it may select another part of the face, or somewhere else on the body, or even a raised
hand that is nearer to the camera than the face, to focus most sharply on. If you are
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