Just What IS Normal, Anyway?

So, if the focal length of the lens doesn’t determine the perspective, but your position does, what focal length should you use? The same as your eyes? What is the focal length of our eyes? What really constitutes a “normal” focal length?

Size Comparison of Popular Cameras

Just for fun, I decided to size images of my favorite popular cameras so they are all in scale with one another. Here are the results…