4Open the shutter.

Bulb: After focusing, press the shutter-release button on the camera or optional MC-DC2 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 to start shooting.

5Close 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.

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