Nikon D90 - Manual (Page 105)

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❚❚Long Time-Exposures (M Mode Only)
Shutter speeds of “ A” and “&” can be used for long time-exposure
photographs of moving lights, the stars, night scenery, or fireworks. To prevent
blurring caused by camera shake, use a tripod and an optional remote control
(pg. 241) or remote cord (pg. 241).
1
Ready the camera.
Mount the camera on a tripod or place it on a stable, level surface. To prevent
loss of power before the exposure is complete, use a fully charged battery or an
optional AC adapter. Note that noise may be present in long exposures; before
shooting, choose On for the Long exp. NR option in the shooting menu
(pg. 165). If you are using an optional remote cord, attach it to the camera.
2
Rotate the mode dial to M.
3
Choose a shutter speed.
Press the shutter-release button halfway to activate the
exposure meters and rotate the main command dial
until “
A” appears in the shutter-speed displays. For
a shutter speed of “ &“, select delayed remote or
quick-response remote mode after choosing the shutter speed (pg. 64).
Shutter speed Description
A
Shutter remains open while shutter-release button is held down. Tripod and
optional remote cord are recommended to prevent blur.
&
Optional ML-L3 remote control required (pg. 241). Select mode M, set shutter
speed to “
A,” and select delayed remote or quick-response remote mode
(pg. 68). Shutter opens when shutter-release button on remote control is
pressed and remains open for thirty minutes or until shutter-release button is
pressed a second time.
Mode dial