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Bulb setting

Photography Bulb ModeBulk film

Bulb Setting. SLR cameras will have a "B" (Bulb) setting. The bulb setting keeps the shutter open as long as you press the shutter release. The bulb setting is perfect for photographing fireworks.

 


Bulb Setting: A shutter speed setting on adjustable cameras that keeps the shutter open for as long as the shutter is pressed. Used for taking timed exposures with a cable release.( e.g. Astronomical photography) ...

Bulb setting
A shutter setting marked B at which the shutter remains open as long as the shutter release is held down. This is used for time exposures that are longer than your camera's preset shutter speeds.

B (Bulb setting): A shutter speed setting that allows time exposures. The shutter stays open as long as the shutter release button remains depressed.

The Bulb setting is a special tool ideal for extremely long exposures. When the E-3 is set to the Bulb mode, the shutter speed is determined by the length of time that the shutter release button is physically pressed down.

When set to the Bulb setting, the shutter remains open as long as the shutter release button is depressed. This allows for real night photography, and is ideal for taking multiple bursts of fireworks on one frame.
Crop ...

Shutter speeds from 1/4,000 to 30 seconds, with Bulb setting for manual control of long exposures (up to 30 seconds).
300-segment Multi-Segment, Center-Weighted, and Spot metering options, with AE Lock function.
Adjustable ISO with five settings.

Bulb setting on cameras. This keeps the shutter open for as long as you keep the release button pressed. Used in low light e.g. for recording traffic trails or fireworks.
BMP
Bit Mapped is a graphic file format popular with Windows computers.

The only thing controversial about it is using the Bulb setting instead of the mirror up custom function. The simple reason for this is that it is a pain to always carry an AC adapter in the field and have it there to plug the camera in.

The alternative is to set the shutter speed to the BULB setting if your camera is equipped with one. Here, the shutter will stay open as long you have the button engaged, and will shut when you release the button.

If your camera has a bulb setting it can be used to make exposures longer than thirty seconds.

Some models have a bulb setting for time exposures. The Diana F features a built-in flash, whose synchronization often does not work properly.

For those who don't have a lot of money to spend on a camera body with a manual bulb setting, consider purchasing an old Minolta SR-T body with 50mm, 55mm, or 58mm standard lens.

The sharpness of the background can be influenced by apertures and shuttle set. In the flash mode, bulb setting usually is set for absorbing more ambience light (background information), so the end result of the exposure won't be pitch dark.

A feature available in some units to make multiple flash bursts during exposure. Useful for motion study in single frame multiple exposure. Best used in dark studios in Bulb setting.
Nikonians Photo Glossary ...

Some cameras have a bulb setting in this mode that lets you capture time exposures such as light trails at night. In this mode the shutter remains open as long as you hold down the shutter button.

See also: B setting, Shutter, Light, Camera, Exposure