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Center Lock-On AF 231

5.30 CENTER LOCK-ON AF

Menu Position MENU  7  Center Lock-On AF

What it Does Tracks brightly-colored objects that move slowly across the screen

Recommended Setting n/a
Constraints Not compatible with Eye-Start AF mode

This feature was described earlier in Section 3.4. Basically it tells the
camera to figure out what your subject looks like and to track it as it moves
across the screen. Some subjects work better than others.

5.31 SMILE / FACE DETECTION

Menu Position MENU  7  Smile / Face Detection

What it Does Enables / disables the ability to detect faces when autofocusing,
resulting in the camera being able to find your subject a greater percentage of
the time. Also controls the “Smile Shutter” function.

Recommended Setting Face Detection On

Historically, autofocus cameras have been unable to reliably find the
subject in the composition. With Face Detection mode enabled, the camera
no longer needs to guess – it automatically knows that if it recognizes a
face (or several faces), then THAT is what it should focus on, and it enables
the focus points that are covering the face. If you’re taking pictures of
people (especially toddlers), there is no better tool for getting accurate
focus, exposure, and white balance than Face Detection mode.

The choices for this feature are “Off”, “Face Detection On” (where it will
focus on any face – recommended setting), “Face Detection On (Registered
Faces)” where it gives priority to faces it knows about, and “Smile