Bulb Interval

Sets the length of time for a bulb exposure in seconds. Valid settings are from 1 to 9999 seconds. When set to 0 the interval is disabled and the Capture control must be used to end the exposure. The Capture control can also be used to end a bulb exposure interval.

NOT Supported on D200, D3, D3S, D3X, D300, D300S, D40, D40X, D5000, D5100, D60, D7000, D80, or D90.