Ensuring Accurate White Balance Why is it that sometimes you end
up with blue faces, even when you know you white-balanced your
camera before making a shot? The possible causes are simple and
rather limited. There might have been something in the shot that
was brighter than your white reference, perhaps a window or
other light source. Or your assistant might have held the white
card so that light from a fluorescent or tungsten lamp on one
side of the room illuminated it when the camera was positioned
so that a nearby window had a greater influence on the lighting.
Perhaps the white-balance was done with a camera-mounted light
illuminating a white card held five feet from the lens while the
subject was 15 feet away -- too far for the camera light to have
the same effect. Following two basic rules will ensure accurate
and predictable white-balances. First, always be sure that the
white you have chosen to balance on is the brightest object in
the shot. While most professional cameras do not require that
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