Not much experience with them but Kahles at least the old Helia S were hell for stout and the view is excellent.

Lost for 27 years and still worked fine. http://www.opticstalk.com/kahles-scope-found-27-years-later_topic728.html

"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli