Canon AT 1 Specifications download pdf (Page 31)

● Focus Lock

When you want to compose a scene with the main subject positioned out

of the zone covered by the five focusing points, follow the procedure

below to first lock the focus on the subject before composing the scene

and taking the picture.

• The focus lock function is available only in One-shot AF mode. (Refer to “2.

Selecting the AF Mode” on page 32.)

Selecting the Five Focusing Points

Cover the subject with the selected

focusing point and press the shutter

button halfway to focus the subject.

Keeping the shutter pressed

halfway, recompose the picture as

desired.

Press the shutter button completely

to take the picture.

The exposure settings are determined when the subject is focused. If the subject bright-

ness changes after you lock the focus, the subject may not be properly exposed. For infor-

mation on different types of metering, refer to page 37.

This custom function lets you lock the

exposure with the shutter button instead

of the AE lock button ( ). Pressing the

AE lock button activates autofocusing.

Custom Function

(Refer to pages 84–85)

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Canon AT 1 Specifications Page 31