T3D Re: underwater housings

[George Gioumousis <georggms@xxxxxxxxxx>]

Tom Deering wrote (in the context of underwater housings for stereo)
> 
> Does anyone have any experience at all?  Stereo or not?
> 
> My plan is to build one out of plexiglas.  The stuff is easy to cut and
> glue, and will withstand any amount of pressure if thick enough.
> 
> Maybe my biggest questions are about water-tight controls and maximum
> depth.  I assume I will build a special camera that has motorized
> functions, and a controlled depth of field.
> 
> Comments?
> 
My sister, who is a very strong swimmer, bought a Nikonos waterproof
camera. Perhaps two, maybe bottom to bottom, would be a quick, but
not cheap, way to go.

Don't forget that the index of refraction of water is about 1.3, as
compared to 1 for air, so that the focussing scales can't be trusted.

                           Stereo                Stereo
George Gioumousis           /---\        |       /---\ 
                             o o         |       o o  
georggms@xxxxxxxxxx           |          |         |   
(650) 494-6276              \===/        |       \===/ 
                        Photographer          Photographer


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