The average price of a water proof camera can range under $300.00 . The Nikon COOLPIX AW100 16 MP CMOS Waterproof camera is about $246.95. The average cost of the Canon Powershot D10 waterproof camera is is under $340. Depending on the features of the camera the price can be a little higher or lower.
The latest 2011 Sony TX10 waterproof camera is retailed at $330.
The product "Sony Cyber-Shot DSC-TX10 16.2 MP Waterproof Digital Still Camera with Exmor R CMOS Sensor, 3D Sweep Panorama and Full HD 1080/60i Video" sells for $308 currently on Amazon.
I got my Olympus tough at big w for around $250
about $2000
Underwater fishing cameras are made waterproof by rubber sealing around the housing to make sure no water can get inside the camera. They uses much thicker lenses to ensure they don't crack.
Try this webpage to get you started on your search. The address is http://waterproof-camera-review.toptenreviews.com/. They have a top-ten review of cameras, links, prices, and so much more information that could be of use.
It cost $209.99 at walmart
nothing
about 230$
a billion dollars
About 200.00
About $60