Sealife DIGITAL FLASH - Manual (Page 35)

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• One important advantage with the SeaLife Digital Flash, is that when
particles are illuminated, it is with rim-light rather than front-light, and
the backscatter effect is minimized.
• Position your strobe high and to the side, pointing down to the
subject.
STEPHEN’S TIP 2: SHRINK THE WATER COLUMN
Water — 800 times denser than air — quickly absorbs light and is a
massive cyan (blue-green) filter. So, to achieve rich, vibrant colors in
underwater photography, you must:
• Use artificial light (a strobe).
• Work close. Choose a point-and-shoot that focuses to at least two
feet with a primary lens, or has an easy system of adding supple-
mental lenses to get close.