Fast Action Photo Sight

This idea came to me a few years ago when I was taking a lot of photos of birds in flight. While thinking of a better way to follow fast flying birds, I was remembering my teenage years of hunting birds with a shotgun. The idea is borrowed from the open sights on guns. It is a lot easier to follow motion with an open sight rather than a scope which is what the viewfinder on SLR cameras is similar to.

I am using the flash Hot Shoe mount on the camera to mount this sight, so you will not be a