That is an interesting thought about all the way back. Mathematically I think you are onto something, the father back the wider you'll be able to see.

Gangster lean around here would mean lean to the center of the car.

I still have to check over my shoulder especially on multi lane highways. Bringing me to the one drawback; you will see cars two lanes over that line up with the blind spot. The distortion will make it unclear if one lane or two lanes over. It's worth the trade off but can be annoying in busy traffic

__________________
2011 E70 • N55 (me)
2012 E70 • N63 (wife)