Nikon D700 - Page 311

a3: Dynamic AF Area
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If the subject leaves the selected focus point when dynamic-area
AF (E(J~; pg. 74) is selected in continuous-servo AF (focus mode C;
pg. 72), 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.
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Option I Description
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[[)] 9 9 points
(default)
(
+++++++8
++++.++++++
......... ..................
+++++++++++
+.+.+.+.+
[[)]21 21 points
(
+++++++8
••• ++++++ ••
•••••••• +++
++++++++.+ •
... ... .. ... .. ....
[(J~51 51 points
(
+++++++8
.......•...
•••••••••• +
••••••••• +.
.+.+ •• +.+
l
i
i 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).
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).
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
i(e.g., birds).
;
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