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S Selecting the AF Point N
Under low-light conditions, when you press the shutter button halfway,
the built-in flash fires a brief burst of flashes. It illuminates the subject to
enable easier autofocusing.
Maximum aperture: Up to f/5.6
With all AF points, cross-type AF sensitive to both vertical and
horizontal lines is possible. Note that with certain lenses (p.309), the AF
points other than the center AF point will be vertical-line or horizontal-
line sensitive only (They will not work as cross-type points).
Maximum aperture: Up to f/2.8*
With the center AF point, high-precision, cross-type AF sensitive to both
vertical and horizontal lines is possible. The center AF point’s sensitivity
to vertical and horizontal lines is about twice as sensitive as the other
AF points.
The remaining eight AF points will work as cross-type points with f/5.6
and faster lenses.
* Except with the EF28-80mm f/2.8-4L USM and EF50mm f/2.5 Compact Macro lenses.
AF-Assist Beam with the Built-in Flash
Lens’ Maximum Aperture and AF Sensitivity
If you prefer to look at the LCD panel while selecting the AF point, see
the illustration below.
Automatic selection , center ,
right , top
When using an EOS-dedicated external Speedlite, if focus cannot be
achieved with the AF-assist beam, select the center AF point.
The AF-assist beam will not be fired in the following shooting modes:
<7> <3> <5>.
The built-in flash’s AF-assist beam is effective up to approx. 4 meters/
13.1 feet.
In Creative Zone modes when you pop-up the built-in flash with the <I>
button, the AF-assist beam will be fired when necessary.
COPY