[GregHastings]

In Video 20 in perspective series 5 with Erik, he starts out the lesson by identifying the behavior of the camera.  Finding the center of the camera frame and how it relates to the true world horizon.

After determining this, we proceed to analyze how the world is behaving.  Erik hints at the difference and indicates the camera sensor was not parallel to the picture plane, but I wanted to check if this was the purpose of pointing this out was just to show you can’t take a simplistic approach to breaking this down.  It seems like a step that can be skipped once we are aware of the pitfalls of this way of thinking.

It’s more important that are drawings are relative to the world and not to the cameras true CV/HZ axis.

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