I don't.......I've only seen a couple of post regarding the Unerltl line of scopes and I posted one of them.......My guess is the price is so high that the average joe just can't afford them......
Probably the reason there isn't a lot of questions asked about Kahls and other brands of expensive scopes.....
Maybe someone will know the answer......
I'd love to try one, just can't afford one.....