The Canon DC20 camera is water proof. You can use it in the pool, lake, ocean, or anywhere else that there is water. I would not suggest leaving it under water for extended periods of time though.
The DC20 is a digital camera from Kodak that is pretty much obsolete and no longer for sale. User Ratings on this camera were not good either. Kodak has since not produced anymore for sale.
The pros are that this camera has really high quality and in my opinion is at a great price. It comes with I believe a 1 yr warrenty that covers anything from malfunction to a broken lens. The cons about this camera are that charging takes forever and the fact that its really heavy,
functions of the principal components of a digital SLR camera
Camera
It's an automatic digital camera without manual functions.
If you get into a car accident the footage recorded by the camera can be used as evidence.
If you have photographic memory then your eye functions like a camera in a way
Take pictures
This is a place that you can put your camera to charge it, to upload pictures, or other functions. A digital camera dock can do several things.
you can find a cheap high quality digital camera with outdoor functions like glare control in almost any camera that is on the market right now but go with canon.
A camera, a photocopier, and a slide projector all use lenses to perform their functions.
you can vc on ichat and use photo booth