Here’s a video of the lenses used by Akira Kurosawa.
This article explains what 35mm equivalent means, and takes a stand on how it should be used.
What makes a broadcast camera? Part Two lists the general testing methodology, and shows you how to check if your camera is broadcast-worthy.
What makes a broadcast camera, and how do we classify them? Part One breaks it down according to the guidelines set by the EBU.