I always carry a rangefinder in my backpack. It’s not one that can capably give you an accurate reading out to 2000m. It pretty much pulls up at 700-800m, which I’m not going to shoot at anyway. But I reckon there’s been more fertiliser spread when hunters gather regarding distances than anything else.
I had a bloke once tell me that he had shot a deer, on the run, at 700m. Now most sensible hunters would be rolling around