DUsing Autofocus in Live View

Use an AF-S lens. The desired results may not be achieved with other lenses or teleconverters. Note that in live view, autofocus is slower and the monitor may brighten or darken while the camera focuses. The focus point may sometimes be displayed in green when the camera is unable to focus. The camera may be unable to focus in the following situations:

The subject contains lines parallel to the long edge of the frame

The subject lacks contrast

The subject in the focus point contains areas of sharply contrasting brightness, or includes spot lighting or a neon sign or other light source that changes in brightness

Flicker or banding appears under fluorescent, mercury-vapor, sodium-vapor, or similar lighting

A cross (star) filter or other special filter is used

The subject appears smaller than the focus point

The subject is dominated by regular geometric patterns (e.g., blinds or a row of windows in a skyscraper)

The subject is moving

AFocus-Point Selection

Except in subject-tracking AF, pressing Jduring focus-point selection selects the center focus point. In subject-tracking AF, pressing Jstarts subject tracking instead. Manual focus-point selection is not available in auto-area AF or if a face is detected when face-priority AF is selected in live view.

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