I'm with Kiwiblue. Just LUV my Serengeti's. Pax hate them, the landing is always very ordinary if you try to land with them. I always take them off when that funny voice goes "Five Hundred". They do take some looking after though. One major design fault is that when the arms close over, they rest on the lense and not on the frame, this tends to eventually leave significant marks on the lense itself. Best to have one of those glass cords like your nanna has if you arent good at keeping them in the case.