If you want to change the lens and it be waterproof these cameras are not suitable you can get DSLR cameras that are weatherproof and splash proof but not ones that can be submersed in water. This article is pretty good.
If you want to change the lens and it be waterproof these cameras are not suitable you can get DSLR cameras that are weatherproof and splash proof but not ones that can be submersed in water. This article is pretty good.