No offense to the Leupold posters, however, in our tests this summer, the Zeiss Conquest led the pack by quite a large margin....around 20 minutes. We have a 4 point on one side rule in NC Missouri and the Conquest is 100% effective at counting points 40 minutes after sundown. The Burris and Leupolds couldn't make it past 15 minutes after sundown. Actually, the Nikon Buckmaster scopes (cheaper) we tested outperformed both the LeupoldVXIII and Burris Signature scopes in low light conditions ( same price range). Now if you want to take it to the next level, the swarovski is the hands down winner......however for our application up here in Missouri, it is illegal to shoot past 30 minutes after sundown so the extra 1000 dollars is a waste of money. Of course, you need a good set of binos first....then the good scope to make this happen in low light conditions. If you are interested in our tests, PM me and I will elaborate. The Zeiss Conquest is my strong recommendation. Regards, Rick.