Getting good results with autofocus

Autofocus does not perform well under the conditions listed below. If the camera is unable to focus using autofocus, use manual focus (➝p.60) or use focus lock (➝p.61) to focus on another subject at the same distance and then recompose the photograph.

There is little or no contrast

between the subject and the back

ground.

Example: subject is the same color as the back ground.

The focus area contains objects at different distances from the camera.

Example: subject is inside a cage.

The subject is dominated by regular geometric patterns. Example: a row of windows in a skyscraper.

The focus area contains areas of sharply contrasting brightness. Example: subject is half in the shade.

The subject appears smaller than

Advanced

the focus area.

 

Example: focus area contains

 

both foreground subject and

—Features

distant buildings.

 

The subject contains many fine

Photography

variation in brightness.

details.

 

Example: a field of flowers or other

 

subjects that are small or lack

 

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