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Focus point selection, Focus lock – Nikon D3100 User Manual

Page 76

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60

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Focus Point Selection

In manual focus mode or when autofocus is combined with AF-area modes other
than

e (Auto-area AF), you can choose from 11 focus points, making it possible to

compose photographs with the main subject almost anywhere in the frame.

1

Choose an AF-area mode other than

e

(Auto-area AF;

0

58

)

.

2

Select the focus point.

Use the multi selector to select the focus point in
the viewfinder or information display while the
exposure meters are on. Press

J to select the

center focus point.

Focus Lock

Focus lock can be used to change the composition after focusing in AF-A, AF-S, and
AF-C focus modes (

0 55), making it possible to focus on a subject that will not be in

a focus point in the final composition. If the camera is unable to focus using
autofocus (

0 56), you can also focus on another subject at the same distance and

then use focus lock to recompose the photograph. Focus lock is most effective when
an option other than

e (Auto-area AF) is selected for AF-area mode (0 58).

1

Focus.

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

I) appears in the viewfinder.

Focus point