Nikon D7000BODY, D700OUTFIT, D700BODY, D7000KIT user manual Getting Good Results with Autofocus

Getting Good Results with Autofocus

Autofocus does not perform well under the conditions listed below. The shutter release may be disabled if the camera is unable to focus under these conditions, or the in-focus indicator (●) may be displayed and the camera may sound a beep, allowing the shutter to be released even when the subject is not in focus. In these cases, use manual focus (pg. 81) or use focus lock (pg. 78) to focus on another subject at the same distance and then recompose the photograph.

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There is little or no contrast between the subject and the background

Example: subject is the same color as the background.

The focus point 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 point contains areas of sharply contrasting brightness

Example: subject is half in the shade.

Background objects appear larger than the subject

Example: a building is in the frame behind the subject.

The subject contains many fine details

Example: a field of flowers or other subjects that are small or lack variation in brightness.

80