Nikon D90 Manual page 10

20
Part I Using the Nikon D90
VR switch. This allows you to turn
the Vibration Reduction (VR) on or
off (if your lens is VR-equipped).
When shooting in bright light with
fast shutter speeds or using a tripod,
it's best to turn the VR off to reduce
battery consumption.
Focus mode selector. This switch
is used to choose between using
the lens in Auto or Manual mode.
You also use this switch if a lens
doesn't have its own switch, such
as a non-AF-S lens.
Left front
Built-in fl ash. This is a handy fea-
ture that allows you to take sharp
AF-assist illuminator
Sub-command dial
Function button
Image courtesy of Nikon
1.4 Left-front camera controls
Built-in flash
Depth of Field Preview button
pictures in low-light situations.
Although not as versatile as one of
the external Nikon Speedlights,
such as the SB-900, SB-800, or
SB-600, the built-in fl ash can be
used very eff ectively and is great for
snapshots. You can also use the
built-in fl ash as the commander for
wireless remote fl ash.
For more on using fl ash, see
Chapter 6.
AF-assist illuminator. This is an
LED (light-emitting diode) that
shines on the subject to help the
camera focus when the lighting is