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Limit your shooting distance
Water is 800 times denser than air and quickly absorbs light. The
Sea Dragon 1200 and 2000 lights have an effective range of
about 3ft (90cm) to 4ft(120cm) depending on visibility and
ambient light conditions. The SeaLife external flash accessory
has an effective range of 6ft (1.8m) to 8ft (2.4m). If you are using
the SeaLife underwater light in combination with the SeaLife
flash, limit your shooting distance to 6 ft (1.8m). 4 ft (1.2m) is
ideal. If you are using the SeaLife light only, limit your shooting
distance to 2 ft (60cm) to 3ft . Closer shooting distances result in
better pictures and video. Consider purchasing the SeaLife Wide
Angle Lens accessory, which allows you to keep a closer shooting
distance and fit everything into the picture.