No they are crap, now what do you do?
Seriously, he must be a very good mate if you paid that for something you didn't try, and he may of course become your ex mate
I have no idea how good they are from personal experience, my fixed meopta is fine on my rimfire, some on here say the variables fog up and others say they don't hold zero when the mag is adjusted...
BTW you could have got a 3-12 x 50 S&B for about that sort of money.