Hi.
I have heard that you can purchase an adapter to make a Nikon Lens fit a Cannon Camera. Is this true? If so where??

I have a Canon S5 and a Nikon SE-50mm lens and filter.

Thanks!
Cory

Here is a page with a lot of information about using Nikon lenses on Canon cameras:

Using Nikon lenses on Canon cameras © 2005 KenRockwell.com