I used a 3.5-10 Leup VX III in Alberta for a couple of weeks; standard regimen was hunting from blinds in the late afternoon on huge fields. I saw and aimed at a ton of deer in 12 days, and with a full year of Campfire optics talk rattling in my brain, I made a point of watching when the scope, "crapped out",ie, I could no longer see a deer,identify it, and still shoot against dark bush.It was generally about at the end of legal shooting light.I suspect a dedicated Euro would take me beyond that time frame,but you don't want to shoot past legal light in Alberta,or anywhere else for that matter.
BTW,call me a Neanderthal, but this is the largest scope I have ever taken on a hunt, anywhere,ever...
It didn't help...I missed!
