For DG rifles, what are the best, and/or most dependable scopes used on African DG rifles used in Africa? I have heard several African hunters say that Swarovski scopes are very clear and bright, but not as dependable as Leupold or Zeiss. Never been to Africa yet, I am curious as to what scopes African hunters and PH's use on their rifles (say 338 and up). I do not trust what I see in the hunting magazines, they seem to be advertising ads for different optics companies.