A3: dynamic af area – Nikon D300 User Manual

Page 295

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a3: Dynamic AF Area

If the subject leaves the selected focus point when dynamic-area
AF (

I; pg. 64) is selected in continuous-servo AF (focus mode C;

pg. 62), the camera will focus based on information from
surrounding focus points. Choose the number of focus points
from 9, 21, and 51 based on subject movement.

Only active focus point is displayed in the viewfinder. Remaining
focus points provide information to assist focus operation.

Option

Description

c

9 points
(default)

If the subject leaves the selected focus point, the
camera will focus based on information from the
surrounding eight focus points. Choose when
there is time to compose the photograph or when
photographing subjects that are moving
predictably (e.g., runners or race cars on a track).

d 21 points

If the subject leaves the selected focus point, the
camera will focus based on information from the
surrounding 20 focus points. Choose when
photographing subjects that are moving
unpredictably (e.g., players at a football game).

e 51 points

If the subject leaves the selected focus point, the
camera will focus based on information from the
surrounding 50 focus points. Choose when
photographing subjects that are moving quickly
and can not be easily framed in the viewfinder
(e.g., birds).

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