Focus Lock

Focus lock can be used to change the composition after focusing, making it possible to focus on a subject that will not be in a focus point in the final composition. It can also be used when the autofocus system is unable to focus (0 82).

1 Focus.

Position the subject in the selected focus point and press the shutter-release button halfway to initiate focus.

2

N

Check that the in-focus indicator (I) appears in the viewfinder.

Single-servo AF Focus will lock automatically

when the in-focus indicator appears, and remain locked until you remove your finger

from the shutter-release

button. Focus can also be locked by pressing the AE-L/AF-Lbutton (see following page).

AShutter-Release Button AE-L

If On is selected for Custom Setting c1 (Shutter-release button AE-L; 0 273), exposure will lock when the shutter-release button is pressed halfway.

80

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Nikon D300s, D300S (Body Only) user manual Focus Lock, Shutter-Release Button AE-L