Nikon 3699 Digital Camera User Manual


 
AF-Assist Illuminator
When the subject is dark and the shutter release button is pressed lightly, the
camera's AF-Assist Illuminator automatically turns on and enables autofocus
operation
in
a dark environment.
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Appro
x.
O
.
5
-
3~
"
O"M.8ft
.•
AF
-Assist Illuminator automatically turns
on
in
the
following situations:
Focus mode is autofocus,
AF
Nikkor lens
(e
xcept
AF-S and
AF
-I) is used, subject is dark and center
focus area is selected
or
Dynamic
AF
Mode with
Closest-Subject Priority
is
activated.
AF-Assist Illuminator does not turn
on
in
Ll
or
~
<;iI.
• Focal length of the usable
AF
Nikkor lens is
24
-
200mm.
The distance range
of
the
AF
-Assist Illuminator
is
approx. O.5-3m or 1.6-9.8 ft. Autofocus using the
camera's AF-Assist Illuminator cannot be performed
due to vignetting with some lenses at a shooting
distance less than 1m (page
51)
.
Even
when the optional Speed light with AF-Assist
Illuminator
is
attached, the camera's Illuminator
turns
on
(page
94)
.
NOTE:
Continuous
use
of
the
AF-Assist
Illuminator
When the AF-Assist Illuminator is used continuously, illumination is limited temporarily
to
protect the firing tube. The illumination restarts after a few moments. Also, when
the
AF
-Assist Illuminator is used repeatedly
in
a short period of time, be careful not
to
touch the AF-Assist Illuminator lamp because it may become hot.
50