Canon EOS 7 User Manual download pdf (Page 43)

Selecting the AF Mode

Press the shutter button halfway

to start the AF operation. Focus

will then be achieved once.

► The focusing point which achieves

focus flashes briefly and the in-focus

indicator <•> lights.

• When focus is achieved, the

exposure setting (shutter speed and

aperture) is set at the same time. The

exposure setting and focus are

locked while you keep pressing the

shutter button halfway. You can then

recompose the shot while

maintaining the lock, (-»page 47)

If focus cannot be achieved, the in-focus indicator <•> in the viewfinder will

blink. In this condition, you cannot take a picture even when you press the

shutter button completely. Recompose the shot and focus again. See also

“When Autofocus Fails" on page 48.

AI Servo AF for Moving Subjects

The camera focuses continuously

while you keep pressing the

shutter button halfway.

• This AF mode suits moving subjects

when the focusing distance keeps

changing.

With predictive AF (^page 44), the

camera can also focus track a

subject which steadily approaches or

retreats from the camera.

► The exposure setting is set when the

picture is taken.

In this mode, the in-focus indicator does not light and the beeper does not

sound even when focus is achieved.

If the in-focus indicator blinks, it means that locus has not been achieved.

The focus cannot be locked, (-^page 47)

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Canon EOS 7 User Manual Page 43