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3) Moire
Interaction between patterns can produce an additional "phantom" pattern to appear.
The CCD picture elements (pixels) are arranged in a pattern, which can interact with a
pattern in the scene (e.g., a performer wearing a finely striped necktie) to result in a
Moire pattern. The effect should be considered when selecting costumes, props and
other scene elements.
4) Ghosting
Strong direct or reflected light near an object of interest can cause ghosting of the
object to appear in the picture. The effect is more obtrusive with certain iris settings
and lens types. Select the scene layout and camera pointing direction carefully in
order to avoid this effect.
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