I read that post so...if the top adjusts 13-16 what height is the base plate shield....? I like the B/S set in the low position which is what I use 90% of the time....But when I want more wind protection the 11" dark tint bottom with the top up seems to provide to small of a picture to look thru.... I prefer to be able to look just over the top and still have more protection and not see such a dark area.....make sense?