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SPECIAL FOCUSING SITUATIONS
Autofocus operation depends on general lighting, subject contrast and detail,
I
[OJ
:
~
:
~
H P
125
FS.6
I and other technical factors.
In
rare situations where autofocus (and manual
11
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_
••
,
••
................
focus with Electronic Rangefinder)
is
not possible,
~ ~
blinks telling you to
focus manually with clear matte field
(p.
42)
or
perform autofocus on another
subject located at same distance.
A. Very
dark
subject
Focus manually with clear matte field,
or
for Single Servo
AF,
focus on another
brighter subject located at same
distance, lock focus, then recompose
(pp. 36-37). Or, use a Nikon AF
Speedlight (S8-28, S8-27, S8-26,
S8-25, S8-23,
S8-22
or S8-20) to
perform autofocus with SpeedJight's
AF
illuminator.
38
B.
Low
-
contrast
subject
Focus manually with clear matte field, or
for Single Servo
AF,
focus on another
subject at same distance but with more
contrast, lock focus, then recompose
(pp. 36-37).
C.
Strongly
backlit
subject
or
bright
subject
with
shiny
surface such
as
silver
or
aluminum,
or
scene
in
which
there is a
pronounced
difference
in
brightness
.
Focus manually with clear matte field.