Canon EOS Digital Rebel XT EOS DIGITAL Rebel XT / EOS 350D Instruction Manual - Page 70

Selecting the AF Mode

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f Selecting the AF ModeN The AF mode is the autofocusing operation method. Three AF modes are provided. One-Shot AF is suited for still subjects, while AI Servo AF is for moving subjects. And AI Focus AF switches from One-Shot AF to AI Servo AF automatically if the still subject starts moving. In the Basic Zone modes, the optimum AF mode is set automatically. 1 Set the lens focus mode switch to . (p.25) 2 Press the button. s The [AF mode] menu will appear. 3 Select the AF mode. ¡ Press the key to select the desired setting, then press . X: One-Shot AF 9 : AI Focus AF Z : AI Servo AF ¡ When you press the shutter button halfway, the LCD panel will display an arrow next to the current AF mode. ¡ Although you can still set the AF mode while the lens focus mode switch is set to , the AF mode will not take effect during manual focus. ¡ If an Extender (optional) is attached and the maximum aperture of the lens is f/5.6 or smaller, AF will not be possible. For details, see the Extender's instructions. stands for Auto Focus, and is Manual Focus. 70

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70
The AF mode is the autofocusing operation method. Three AF modes
are provided. One-Shot AF is suited for still subjects, while AI Servo AF
is for moving subjects. And AI Focus AF switches from One-Shot AF to
AI Servo AF automatically if the still subject starts moving. In the Basic
Zone modes, the optimum AF mode is set automatically.
1
Set the lens focus mode switch to
<AF>.
(p.25)
2
Press the <
Z
E
> button.
s
The [
AF mode
] menu will appear.
3
Select the AF mode.
¡
Press the <
V
> key to select the
desired setting, then press <
0
>.
X
: One-Shot AF
9
: AI Focus AF
Z
: AI Servo AF
¡
When you press the shutter button
halfway, the LCD panel will display an
arrow <
D
> next to the current AF
mode.
f
Selecting the AF Mode
N
¡
Although you can still set the AF mode while the lens focus mode switch
is set to <
MF
>, the AF mode will not take effect during manual focus.
¡
If an Extender (optional) is attached and the maximum aperture of the
lens is f/5.6 or smaller, AF will not be possible. For details, see the
Extender’s instructions.
<
AF
> stands for Auto Focus, and <
MF
> is Manual Focus.