FRONT SIGHT
The conventional sight picture with conventional handgun sights is the one you see in the marksmanship manuals. The front sight is centered in the notch of the rear sight The top of the front sight is level with the top of the rear sight, and there is an equal amount of light on either side. Human vision being what it is, you can't focus on the sights and the target at the same time. Actually, you can't focus on both the front and the rear sight at the same time, either.