Bulb Mode
Bulb mode is a shutter speed mode that allows the camera operator to hold open the shutter for as long as the shutter release button is held down.
Bulb Mode - Allows a photographer to keep shutter open for as long as he holds down the shutter release button.
Burst - or commonly refers to as Continuous Shooting; lets you take multiple pictures one right after another.
Bulb mode
Long exposure mode. In bulb mode, the shutter stays open as long as the release is held down. This allows exposure times of several minutes or even hours.
Incidentally, bulb mode is so named because in the olden days of purely mechanical cameras remote shutter releases were typically rubber bulbs linked to the camera via hoses.
bulb mode ("B") - a setting which allows a camera's shutter to be opened and closed manually for the intended purpose of flash photography.
bracket (exposure/white balance) ...
Similar to bulb mode, only the photographer presses the shutter release once to open the shutter and once again to close it. Largely superseded by bulb mode on most cameras, for some reason.
A dedicated Bulb mode, select the aperture using the rear dial and the shutter will remain open for the amount of time you hold the shutter release button or remote. Obviously ideally suited to use with a wired remote.
X
Flash X-Sync
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Unlike other exposure modes whereby the shutter speed is determined before the shutter is released, bulb mode opens the shutter when the shutter button is pressed and closes it again when the button is released.
At night you often use long exposures and some cameras have a bulb mode, available in the manual exposure mode, for this purpose. In this mode the shutter remains open as long as you hold down the shutter button.
Place the camera on a tripod and choose the shutter priority mode or bulb mode. These settings are now included on all but the most basic cameras, and either one will let you control shutter speed with precision.
In bulb mode the camera stays open as long as the shutter release is held down. This is useful when taking photos at night lightning, comets and other astronomical events, and many other uses.
Shutter Speed adjusted in seconds up to 30 or bulb mode for longer exposures over 30, a remote trigger is needed to use bulb mode
You will likely have to experiment with shutter speed to get an acceptable exposure ...
What I do is use bulb mode, which leaves the shutter open for as long as you want it to be open, in which you hit the shutter button for the second time to close the shutter. On a DSLR, this is usually on the mode dial, marked "B".
Set an appropriate aperture (wide for a dark subject, closed down for a brightly lit subject), and open the shutter in the camera's bulb mode. When lightning flashes, close the shutter.
Adjust the time up or down, depending on how your images look like.
Switch to bulb mode, press the shutter when the flares go up and hold it pressed until they start to vanish.
Compare the results and find your best shots.
after sunset, so I now use it for sensor cleaning as well. I definitely recommend using the AC adapter and locking up the mirror too. Doing so is cheap insurance against having to replace the shutter if it closes on you while cleaning in Bulb mode.
Bulb mode lets you keep the shutter open for as long as you hold it down.
When considering what shutter speed to use in an image you should always ask yourself whether anything in your scene is moving and how you'd like to capture that movement.
 See also: Bulb, Exposure, Mode, Camera, Shutter
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