The flash range changes according to the camera sensitivity setting.
Sensitivity / Wide-angle / Tele
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AUTO / 0.9-3.5m (3.0-11.5ft) / 0.9-3.0m (3.0-9.8ft)
ISO 100 / 0.7-2.4m (2.3-7.8ft) / 0.9-2.1m (3.0-6.9ft)
ISO 200 / 0.9-3.5m (3.0-11.5ft) / 0.9-3.0m (3.0-9.8ft)
ISO 400 / 1.3-4.9m (3.7-16ft) / 1.1-4.3m (3.6-14.1ft)
ISO 800 / 1.8-7.0m (5.9-23ft) / 1.6-6.0m (5.2-19.6ft)