Canon AT 1 Specifications download pdf (Page 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”.

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.

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

ISO

MODE

ONE SHOT

AI SERVO

In-focus IndicatorFocusing points

00. Part.2 RS (E) (P.28~47) 27-01-2003 11:56 Page 32

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Canon AT 1 Specifications Page 32