Hot answers tagged bulb-mode
Bulb mode holds the shutter open until you close it (or allow it to close). As you said, hold the shutter release down, or use a wireless remote. If you want more precise timing, something like TriggerTrap is what you want.
No camera support timed bulb mode due to the very definition of Bulb mode. It's simply a mode that keeps the shutter open as long as the shutter release button is pressed. Shutter speed precision is usually not important in bulb mode since an error of a second only accounts to mere percent of the exposure over a minute long exposure (usually a lot less than ...
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