Here we go in-depth with the Physical Camera that was introduced in R13.
This video isn't the most entertaining, but it will show you how the Physical Camera compares to real-world cameras and how to best use it and understand it.
After this, you can jump over to Part 2 and take a look at the new Motion Camera Tag in R14.
Part 2 - vimeo.com/48008102
Motion Camera Tag - Cinema 4D R14 Racing Camera Tech Demo - vimeo.com/47894226