In some
movies, for instance the Jaws series, it's a wonderful
feeling to see sharks underwater and have it feel very
realistic.
I'm curious to know how they film underwater
scenes in movies. Not just in Jaws, but other movies as
well.
What are the techniques used
to film the underwater scenes in
movies?
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Answer
Mostly with underwater cameras and divers
mixed with Computer Generated Imagery
(CGI).
- This particular
scene looks to be filmed completely underwater with a
shark model. Nowadays
they would simply film the water surface and add a CG
shark later. CG effects
grow better and they just make complete scene with
CG. - When there is a need to film an actor in water the
scene is shot in a swimming pool
and cover the background with green screen so
the CG can make it seem they are deep in the water or in some other
location.
Behind the cameras there
is full team in scuba gear. The scene is shot in many little pieces depending how long
actors can hold their breaths before they surface or are given an air tank. When the
video is cut and other camera angles added it appears as they never left the
water.
When an actor's face is not visible, a professional
"breath hold" diver is shot in the scene in one continuous
roll.
can see how they filmed Harry Potter
underwater.
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