Nikon D7100 - Manual (Page 80)

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❚❚Long Time-Exposures (M Mode Only)
Select the following shutter speeds for long time-
exposures of moving lights, the stars, night scenery, or
fireworks.
• Bulb (
A): The shutter remains open while the
shutter-release button is held down. To prevent
blur, use a tripod or an optional wireless remote
controller (0 309) or remote cord (0 310).
• Time ( %): Start the exposure by using the shutter-
release button on the camera or on an optional
remote control, remote cord, or wireless remote
controller. The shutter remains open for thirty
minutes or until the button is pressed a second
time.
1
Ready the camera.
Mount the camera on a tripod or place it on a stable, level surface. To prevent
light entering via the viewfinder interfering with exposure, remove the rubber
eyecup and cover the viewfinder with the supplied DK-5 eyepiece cap (0 60).
To prevent loss of power before the exposure is complete, use a fully charged
EN-EL15 battery or an optional EH-5b AC adapter and EP-5B power connector.
Note that noise (bright spots, randomly-spaced bright pixels, or fog) may be
present in long exposures; before shooting, choose On for Long exposure NR
in the shooting menu (0 228). If you will be using an ML-L3 remote control,
select a remote control mode (Delayed remote, Quick-response remote, or
Remote mirror-up) using the Remote control mode (ML-L3) option in the
shooting menu (0 127).
2
Rotate the mode dial to M.
Length of exposure: 35 s
Aperture: f/25
Mode dial