I advise you to slow down and spend a little more time learning about shooting long range before you buy something. I have no first hand experience w/ the Zeiss but if you believe it to be a reliable dialing scope why don't you spend some time shooting and figuring out what you are doing first?
I can assure you 6mm of objective diameter is completly inconsequential in chasing your stated goals.
Figure out your trajectory, plot yourself some dope w/ wind calls and go to the range, it will be a much more productive use of your time and money.
David
