Perspective projection in 5 minutes: Part 2 -- the math!

Equivalent to a 50 minute university lecture on the math behind perspective projection. Part 2 of 2.
0:00 - intro
0:10 - perspective projection
1:11 - homogeneous coordinates
1:49 - perspective projection matrix
3:22 - focal length, magnification, and field of view
Graphics in 5 minutes is a series of cartoon-style videos that teach computer graphics in 10x less time. You can take the equivalent of a University level computer graphics course in just over two hours. The playlist is here:
• Graphics in 5 minutes ...
See here for more information: g5m.cs.washington.edu/