Canon EOS Rebel T5 18-55 IS II Kit - Manual (Page 96)

S Selecting the AF PointN
96
When shooting a portrait up close, use One-Shot AF and focus
on the eyes.
If you focus on the eyes first, you can then recompose and the face
will remain sharp.
If it is difficult to focus, select and use the center AF point.
The center AF point is the most sensitive among the nine AF points.
To make it easier to focus on a moving subject, set the camera
to automatic AF point selection and AI Servo AF (p.94).
The center AF point will first be used to focus on the subject. During
autofocusing, if the subject moves away from the center AF point,
focus tracking continues as long as the subject is covered by
another AF point.
Under low-light conditions, when you press the shutter button halfway,
the built-in flash may fire a brief burst of flashes. This illuminates the
subject to enable easier autofocusing.
Shooting Tips
AF-Assist Beam with the Built-in Flash
The AF-assist beam will not be fired from the built-in flash in the following
shooting modes: <7>, <3> and <5>.
The AF-assist beam cannot be emitted with AI Servo AF operation.
The effective range of the AF-assist beam emitted by the built-in flash is
approx. 4 meters/13.1 feet.
In Creative Zone modes, when you raise the built-in flash with the
button (p.101), the AF-assist beam will be emitted when necessary. Note
that depending on the setting for [7: AF-assist beam firing] under [53:
Custom Functions (C.Fn)], AF beam will not be emitted (p.262).
If you use an Extender (sold separately) and the f/number becomes higher
than f/5.6, AF shooting will not be possible (except in [FlexiZone - Single]
and [u Live mode] during Live View shooting). For details, refer to the
Extender’s instruction manual.
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