Nikon D610 User Manual page 106

3
Choose a shutter speed.
While the exposure meters are on, rotate the
main command dial to choose a shutter
speed of A.
For a shutter speed of "time" (%), select
remote control release mode (0 85) after
choosing the shutter speed.
4
Open the shutter.
Bulb: After focusing, press the shutter-release button on the camera or optional
remote cord all the way down. Keep the shutter-release button pressed until
#
the exposure is complete.
Time: Press the ML-L3 shutter-release button all the way down.
5
Close the shutter.
Bulb: Take your finger off the shutter-release button.
Time: Press the ML-L3 shutter-release button all the way down. Shooting ends
automatically after thirty minutes.
80
Main command dial