Af Mode; One-Shot Af - Canon EOS REBEL Ti 300V Date Instructions Manual

AF Mode

One-Shot AF

When focus is achieved, the exposure setting is set simultaneously and
the focus is locked. The shutter cannot be released until focus is achieved.
AI Servo AF
Ideal for moving subjects. The moving subject is focused continuously
while the camera predicts the subject's point of focus for when the shut-
ter is released. The exposure is set when the shutter is released.
AI Focus AF
When you press the shutter button, the AF mode (One-Shot AF or AI
Servo AF) is set automatically depending on whether the subject is
moving or not.
AF Mode and Film Advance Mode
Film Advance Mode
Single frame
Continuous
One-Shot AF
The picture cannot be taken
until focus is achieved. When
focus is achieved, it also
locks at the same time. The
evaluative metering's expo-
sure reading is also locked.
(The exposure setting is
retained until the picture is
taken.)
The same conditions as
above apply during continu-
ous shooting (at about 2.5
frame per second).
AI Servo AF
Autofocusing continues to
match the subject's move-
ment. The exposure setting is
determined at the moment of
exposure.
The same conditions above
apply during continuous
shooting. Autofocusing con-
tinues during continuous
shooting (at about 2.3 frame
per second).
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