Originally Posted by Gooshin
remember all view finders display only a portion of the actual image (93-95%) in todays cameras, so you have to keep that in mind
Good point.
There is also a lot more to human vision that the static field of view. Our eyeballs jitter about all the time gathering in information from all over a wide angle, so our brain can assemble it into a static image that doesn't really exist.
This has many advantages including the omission of the blind spot we have due to our retina. We don't actually see a big black hole in front of us, thank goodness.
In fact, if our eye was to stay still we'd be blind, since the rods and cones only sense changes to light, not the light itself.
Humans... ain't we interesting?