Olympus Stylus Instructions Manual page 20

The flash will activate automatically
when the shutter release button is
fully pressed.
Flash shooting range:
(ISO 100) 0.35 m (1.1 ft.)—3.5 m (11.5 ft.)
(ISO 400) 0.35 m (1.1 ft.)—7m (23 ft.)
*The flash range as shown below is optimal
for color negative film. Actual flash
working range for other film types
may vary.
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