Pentax Zoom 70-R - Using Bulb and Bulb-synchro

Bulb mode ( B)
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Bulb mode, approx. 3 sec. (1SO100)
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This mode is useful for
long exposures required
for shooting such things
as fireworks and night
scenes. The shutter
remains open as long as
the shutter release button is held down (but within the
range of 0.5 - 8 sec). When using this mode, the
camera should be mounted on a tripod.
If the red-eye reduction flash button ( V ) pressed in
the Bulb mode, Bulb-synchro mode is set.
BulbSynchro mode ( i B )
This lets you use the
flash in addition to the
Bulb mode, so you can
take a portrait with a
night scene in the back¬
ground, for example.
Note:
• The shutter stays open for a maximum of 8 seconds,
even if you continue to press the shutter release
button. ®