On Thu, 12 Jun 2014 14:50:23 -0700 (PDT), Erhard Glück
wrote:

Hello!
I seek a simple camera system to inspect the yacht under water.
Have you an advice for me?
Have a good day
Erhard


You might look at
http://www.seaviewer.com/

http://www.backscatter.com/

http://www.gateshousings.com/

to start.
--
Cheers,

Brice