Nikon 25434 - D3 Digital Camera SLR Technical Manual - Page 7

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Autofocus: Focusing with Autofocus

The a Autofocus group in the fi rst level of the Custom

Settings menu contains a variety of advanced autofocus

options. This chapter details options that can be used to

frame moving subjects at sporting events: a1 (AF-C priority

selection), a3 (Dynamic AF area), and a4 (Focus tracking

with lock-on). These options are best used with the focus

mode selector rotated to C (continuous-servo AF) and the

AF-area mode selector rotated to

Select continuous-servo AF.

Rotate the focus-mode

selector to C. The camera

will continually adjust

focus while the shutter-

release button is pressed

halfway.

Select dynamic-area AF.

Rotate the AF-area mode

selector to

area AF). If the subject

briefl y leaves the se-

lected focus point, the

camera will focus based

on information from sur-

rounding focus points.

(dynamic-

(dynamic-area AF).