Question:

How the heck does someone hold the dang thing still enough, especially when hitting the button, to be able to range a deer at 500+ yards?

Maybe mine just sucks, but I have never been able to find any practical, easy use for them. All I can ever do is struggle to range landmarks in advance and then keep mental notes. For example, I know the corner of the tree line is 300 yards, and a certain rock is 250, that oak tree is 435. But, when a deer shows himself, I can't possibly "take a picture" and "hit him" with the range-finder's reticle. It's like trying to shoot him with a pistol. What don't I understand about them? Or do I just have a crappy product with too hard of a "trigger pull"?