Using The Bulb Exposure Mode - Pentax *ist Operating Manual

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USING THE BULB EXPOSURE MODE

This mode is useful for the long exposures required for shooting
night scenes and fireworks. The shutter remains open as long as
the shutter release button is held down.
1
With the Metered Manual
Mode, turn the select dial to
change the shutter speed
until
LCD panel.
✍
MEMO
• When using this mode, use a steady tripod
to prevent camera shake and attach the
optional "Cable Switch CS-205" after
opening the release socket cap.
• Up to approx. 5 hours of time exposure are
possible with new lithium batteries at
ambient temperatures.
• With the remote control shooting mode, the shutter remains open as
long as the optional remote control's shutter release button held down.
appears on the