Canon EOS 1 Instruction Manual - Page 32

Selecting the AF Mode, . One-Shot Autofocus

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Page 32 highlights

2. Selecting the AF Mode Two types of autofocus are available: One-shot AF and AI Servo AF. Select the mode most appropriate for the subject and shooting situation. • To use the camera's AF modes, the lens' focus mode switch must be set to "AF". MODE AF ISO 1 While pressing the AF mode selector, turn the main dial to the left or right until the desired AF mode appears in the LCD panel. ONE SHOT AI SERVO ONE SHOT 2 Release the AF mode selector. P ONE SHOT 3210 123 Focusing points In-focus Indicator ● One-Shot AF Use this mode with stationary subjects. The shutter will not release if the subject is not in focus, preventing out-offocus shots. When the shutter button is pressed halfway and the subject is focused, the corresponding focusing point lights red in the viewfinder, and the in-focus indicator (●) lights up in the viewfinder. • In evaluative metering mode, the shutter speed and aperture value are determined at this time, and by keeping the shutter button pressed halfway, the focus and exposure settings remain locked, allowing you to recompose the picture as desired. The shutter will not release if the in-focus indicator is blinking. Try refocusing the subject on an alternate subject with higher contrast at approximately the same distance, or use manual focusing (refer to "3. Difficult Subjects for Autofocus" on page 34). 32

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32
The shutter will not release if the in-focus indicator is blinking. Try refocusing the subject
on an alternate subject with higher contrast at approximately the same distance, or use
manual focusing (refer to “3. Difficult Subjects for Autofocus” on page 34).
2. Selecting the AF Mode
Two types of autofocus are available: One-shot AF and AI Servo AF.
Select the mode most appropriate for the subject and shooting situation.
•
To use the camera’s AF modes, the lens’ focus mode switch must be set to
“
AF
”.
1
While pressing the AF mode selec-
tor, turn the main dial to the left or
right until the desired AF mode
appears in the LCD panel.
2
Release the AF mode selector.
●
One-Shot AF
Use this mode with stationary subjects.
The shutter will not release if the sub-
ject is not in focus, preventing out-of-
focus shots. When the shutter button is
pressed halfway and the subject is
focused, the corresponding focusing
point lights red in the viewfinder, and
the in-focus indicator (
●
) lights up in
the viewfinder.
•
In evaluative metering mode, the shutter
speed and aperture value are deter-
mined at this time, and by keeping the
shutter button pressed halfway, the focus
and exposure settings remain locked,
allowing you to recompose the picture as
desired.
ONE SHOT
3
2
1
1
2
3
P
0
AF
ISO
MODE
ONE SHOT
ONE SHOT
AI SERVO
In-focus Indicator
Focusing points