The light from the glass at the point of A reflection point S to go along if the glass from the AR Ben original into a corner, the reflection of the new concept for the Ben Q from the original angle, how much.
S reflected light from the glass surface at point A along the line of the original glass AR if Ben is the new Ben Q streak glare from the corner as well.
The light from the point S reflective glass surface at the point A along the AR if Ben mirror from the original angle Q the reflected light from the original is new to Ben equiangular following.