Yao Zi Wei

If you need to see the surface of the water, it may be quite tricky to cheat. There are techniques for making things appear to be entirely underwater, such as the use of smoke, of floating motes of dust, and naturally a proper environment and production design. People walking around in dense smoke in diving gear can look quite convincingly as if they're underwater. Things intersecting the surface are a different matter.

 

Is it something you could do in miniature? If it's a body, perhaps use a model and shoot it in a tank.

 

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the miniature model could be nice if it look human enough, what im going for is a person in home clothes, floating beneath the water while i can see the water surface. I wonder the dust u were saying, is a simulation of the seabed though?

I am visualising a concept for a short film, but I would like to have an underwater scene where I can actually see at least half the body of a person in the water, shooting from below.

I have learnt that the fish tank methods are good enough for close ups. If I need half the body to be shot underwater, I will need a very huge tank to contain the actor.

I am wondering if there could be more ways to do this provided that I could not really go underwater in the ocean or a pool.

Thank you for incoming suggestions.